./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/Parts.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/termination-numeric/Parts.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:31:24,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:31:24,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 01:31:24,145 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:31:24,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:31:24,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:31:24,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:31:24,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:31:24,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:31:24,173 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:31:24,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:31:24,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:31:24,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:31:24,174 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:31:24,174 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:31:24,175 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:31:24,175 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:31:24,175 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:31:24,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:31:24,176 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:31:24,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:31:24,176 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 663a2474dc11f7b5d0aa9a3ae9bbf5de1ab8d2ea5a060185a0446a8356edf6f1 [2025-01-10 01:31:24,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:31:24,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:31:24,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:31:24,470 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:31:24,471 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:31:24,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/Parts.c [2025-01-10 01:31:25,706 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ef776229/e78f598fa3274b70b4abfcc9c330d8d3/FLAG5d776d4d6 [2025-01-10 01:31:25,962 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:31:25,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-numeric/Parts.c [2025-01-10 01:31:25,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ef776229/e78f598fa3274b70b4abfcc9c330d8d3/FLAG5d776d4d6 [2025-01-10 01:31:26,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ef776229/e78f598fa3274b70b4abfcc9c330d8d3 [2025-01-10 01:31:26,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:31:26,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:31:26,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:31:26,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:31:26,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:31:26,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2a9350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26, skipping insertion in model container [2025-01-10 01:31:26,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:31:26,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:31:26,429 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:31:26,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:31:26,457 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:31:26,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26 WrapperNode [2025-01-10 01:31:26,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:31:26,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:31:26,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:31:26,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:31:26,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,482 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2025-01-10 01:31:26,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:31:26,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:31:26,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:31:26,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:31:26,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,493 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,499 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:31:26,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:31:26,514 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:31:26,514 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:31:26,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:31:26,515 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (1/1) ... [2025-01-10 01:31:26,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:31:26,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:26,545 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) [2025-01-10 01:31:26,548 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 [2025-01-10 01:31:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure parts [2025-01-10 01:31:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure parts [2025-01-10 01:31:26,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:31:26,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:31:26,613 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:31:26,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:31:26,754 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2025-01-10 01:31:26,754 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:31:26,762 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:31:26,762 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:31:26,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:31:26 BoogieIcfgContainer [2025-01-10 01:31:26,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:31:26,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:31:26,767 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:31:26,771 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:31:26,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:31:26" (1/3) ... [2025-01-10 01:31:26,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4055d5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:31:26, skipping insertion in model container [2025-01-10 01:31:26,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:31:26" (2/3) ... [2025-01-10 01:31:26,772 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4055d5b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:31:26, skipping insertion in model container [2025-01-10 01:31:26,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:31:26" (3/3) ... [2025-01-10 01:31:26,773 INFO L128 eAbstractionObserver]: Analyzing ICFG Parts.c [2025-01-10 01:31:26,787 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:31:26,789 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Parts.c that has 2 procedures, 43 locations, 1 initial locations, 2 loop locations, and 10 error locations. [2025-01-10 01:31:26,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:31:26,843 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;@56d794c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:31:26,844 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2025-01-10 01:31:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 37 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:26,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:31:26,850 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:26,851 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:26,851 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:26,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:26,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1088924361, now seen corresponding path program 1 times [2025-01-10 01:31:26,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:26,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103483185] [2025-01-10 01:31:26,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:26,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:26,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:31:26,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:31:26,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:26,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:26,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:31:26,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:26,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103483185] [2025-01-10 01:31:26,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103483185] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:26,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:26,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:31:26,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453808246] [2025-01-10 01:31:26,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:26,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:31:26,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:26,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:31:26,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:26,986 INFO L87 Difference]: Start difference. First operand has 43 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 37 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:31:27,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,034 INFO L93 Difference]: Finished difference Result 84 states and 101 transitions. [2025-01-10 01:31:27,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:31:27,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 01:31:27,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,039 INFO L225 Difference]: With dead ends: 84 [2025-01-10 01:31:27,039 INFO L226 Difference]: Without dead ends: 41 [2025-01-10 01:31:27,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:31:27,043 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 15 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 121 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-01-10 01:31:27,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-01-10 01:31:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 35 states have internal predecessors, (40), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2025-01-10 01:31:27,069 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 7 [2025-01-10 01:31:27,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,070 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2025-01-10 01:31:27,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:31:27,070 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2025-01-10 01:31:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:31:27,071 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,071 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:31:27,071 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,072 INFO L85 PathProgramCache]: Analyzing trace with hash 414806885, now seen corresponding path program 1 times [2025-01-10 01:31:27,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722947794] [2025-01-10 01:31:27,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:31:27,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:31:27,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:31:27,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722947794] [2025-01-10 01:31:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722947794] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:31:27,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046602123] [2025-01-10 01:31:27,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:31:27,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:31:27,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:31:27,107 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:31:27,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,128 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2025-01-10 01:31:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:31:27,128 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 01:31:27,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,130 INFO L225 Difference]: With dead ends: 43 [2025-01-10 01:31:27,130 INFO L226 Difference]: Without dead ends: 42 [2025-01-10 01:31:27,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:31:27,131 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 70 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2025-01-10 01:31:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2025-01-10 01:31:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 26 states have (on average 1.5) internal successors, (39), 34 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2025-01-10 01:31:27,137 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 12 [2025-01-10 01:31:27,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,138 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2025-01-10 01:31:27,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:31:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2025-01-10 01:31:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:31:27,138 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,138 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:31:27,139 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,139 INFO L85 PathProgramCache]: Analyzing trace with hash -26064974, now seen corresponding path program 1 times [2025-01-10 01:31:27,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028297239] [2025-01-10 01:31:27,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:31:27,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:31:27,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:31:27,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028297239] [2025-01-10 01:31:27,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028297239] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:31:27,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133825031] [2025-01-10 01:31:27,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:31:27,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:31:27,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,184 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,201 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2025-01-10 01:31:27,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:31:27,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2025-01-10 01:31:27,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,203 INFO L225 Difference]: With dead ends: 40 [2025-01-10 01:31:27,203 INFO L226 Difference]: Without dead ends: 39 [2025-01-10 01:31:27,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,203 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,204 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 113 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-01-10 01:31:27,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-01-10 01:31:27,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 33 states have internal predecessors, (38), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2025-01-10 01:31:27,212 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 13 [2025-01-10 01:31:27,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,212 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2025-01-10 01:31:27,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,212 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2025-01-10 01:31:27,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:31:27,212 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,212 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:31:27,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,213 INFO L85 PathProgramCache]: Analyzing trace with hash -25888405, now seen corresponding path program 1 times [2025-01-10 01:31:27,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165024528] [2025-01-10 01:31:27,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,218 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:31:27,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:31:27,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:31:27,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165024528] [2025-01-10 01:31:27,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165024528] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:31:27,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476600915] [2025-01-10 01:31:27,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:31:27,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:31:27,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:31:27,270 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:31:27,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,356 INFO L93 Difference]: Finished difference Result 83 states and 100 transitions. [2025-01-10 01:31:27,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:31:27,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-10 01:31:27,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,357 INFO L225 Difference]: With dead ends: 83 [2025-01-10 01:31:27,358 INFO L226 Difference]: Without dead ends: 48 [2025-01-10 01:31:27,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:27,359 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,359 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 144 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:27,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-01-10 01:31:27,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2025-01-10 01:31:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 38 states have internal predecessors, (43), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:31:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions. [2025-01-10 01:31:27,366 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 13 [2025-01-10 01:31:27,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,366 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions. [2025-01-10 01:31:27,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:31:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2025-01-10 01:31:27,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:31:27,367 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,367 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:31:27,367 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,368 INFO L85 PathProgramCache]: Analyzing trace with hash -808014106, now seen corresponding path program 1 times [2025-01-10 01:31:27,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517272788] [2025-01-10 01:31:27,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:31:27,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:31:27,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:31:27,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517272788] [2025-01-10 01:31:27,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517272788] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:31:27,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100545030] [2025-01-10 01:31:27,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:31:27,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:31:27,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,427 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,446 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2025-01-10 01:31:27,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:31:27,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2025-01-10 01:31:27,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,447 INFO L225 Difference]: With dead ends: 49 [2025-01-10 01:31:27,447 INFO L226 Difference]: Without dead ends: 48 [2025-01-10 01:31:27,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,447 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-01-10 01:31:27,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2025-01-10 01:31:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.393939393939394) internal successors, (46), 40 states have internal predecessors, (46), 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) [2025-01-10 01:31:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2025-01-10 01:31:27,452 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 14 [2025-01-10 01:31:27,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,453 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2025-01-10 01:31:27,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2025-01-10 01:31:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:31:27,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,453 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:31:27,453 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,454 INFO L85 PathProgramCache]: Analyzing trace with hash 887527592, now seen corresponding path program 1 times [2025-01-10 01:31:27,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245917431] [2025-01-10 01:31:27,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:31:27,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:31:27,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:31:27,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245917431] [2025-01-10 01:31:27,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245917431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:31:27,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61499556] [2025-01-10 01:31:27,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:31:27,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:31:27,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,498 INFO L87 Difference]: Start difference. First operand 48 states and 56 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,515 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2025-01-10 01:31:27,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:31:27,518 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2025-01-10 01:31:27,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,518 INFO L225 Difference]: With dead ends: 48 [2025-01-10 01:31:27,518 INFO L226 Difference]: Without dead ends: 47 [2025-01-10 01:31:27,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,519 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 108 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-01-10 01:31:27,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2025-01-10 01:31:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 39 states have internal predecessors, (45), 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) [2025-01-10 01:31:27,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions. [2025-01-10 01:31:27,529 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 16 [2025-01-10 01:31:27,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,529 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions. [2025-01-10 01:31:27,529 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2025-01-10 01:31:27,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 01:31:27,532 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,532 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:31:27,533 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1743551670, now seen corresponding path program 1 times [2025-01-10 01:31:27,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254777284] [2025-01-10 01:31:27,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 01:31:27,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 01:31:27,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:31:27,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254777284] [2025-01-10 01:31:27,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254777284] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:31:27,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518673940] [2025-01-10 01:31:27,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:31:27,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,602 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:31:27,602 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,602 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,644 INFO L93 Difference]: Finished difference Result 62 states and 73 transitions. [2025-01-10 01:31:27,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:31:27,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2025-01-10 01:31:27,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,649 INFO L225 Difference]: With dead ends: 62 [2025-01-10 01:31:27,649 INFO L226 Difference]: Without dead ends: 61 [2025-01-10 01:31:27,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:31:27,650 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 116 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-10 01:31:27,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 60. [2025-01-10 01:31:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 50 states have internal predecessors, (58), 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) [2025-01-10 01:31:27,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 72 transitions. [2025-01-10 01:31:27,661 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 72 transitions. Word has length 17 [2025-01-10 01:31:27,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,661 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 72 transitions. [2025-01-10 01:31:27,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,661 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2025-01-10 01:31:27,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 01:31:27,664 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,664 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 01:31:27,664 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1252277238, now seen corresponding path program 1 times [2025-01-10 01:31:27,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915584433] [2025-01-10 01:31:27,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:31:27,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:31:27,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:31:27,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915584433] [2025-01-10 01:31:27,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915584433] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:27,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:27,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:31:27,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848515680] [2025-01-10 01:31:27,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:27,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:31:27,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:27,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:31:27,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:31:27,746 INFO L87 Difference]: Start difference. First operand 60 states and 72 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:27,801 INFO L93 Difference]: Finished difference Result 122 states and 146 transitions. [2025-01-10 01:31:27,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:31:27,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2025-01-10 01:31:27,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:27,801 INFO L225 Difference]: With dead ends: 122 [2025-01-10 01:31:27,802 INFO L226 Difference]: Without dead ends: 69 [2025-01-10 01:31:27,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:27,802 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 4 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:27,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 145 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:27,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-10 01:31:27,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2025-01-10 01:31:27,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.28) internal successors, (64), 56 states have internal predecessors, (64), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 01:31:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2025-01-10 01:31:27,816 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 22 [2025-01-10 01:31:27,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:27,816 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2025-01-10 01:31:27,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:31:27,816 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2025-01-10 01:31:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:31:27,816 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:27,816 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:27,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 01:31:27,816 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:27,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:27,817 INFO L85 PathProgramCache]: Analyzing trace with hash -171362265, now seen corresponding path program 1 times [2025-01-10 01:31:27,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:27,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593572743] [2025-01-10 01:31:27,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:27,824 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:31:27,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:31:27,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:31:27,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:27,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593572743] [2025-01-10 01:31:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593572743] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:27,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003584323] [2025-01-10 01:31:27,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:27,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:27,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:27,909 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) [2025-01-10 01:31:27,911 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 [2025-01-10 01:31:27,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:31:27,969 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:31:27,969 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:27,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:27,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:31:27,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:31:28,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:31:28,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003584323] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:28,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:28,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-01-10 01:31:28,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860864421] [2025-01-10 01:31:28,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:28,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:31:28,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:28,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:31:28,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:31:28,082 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 10 states have internal predecessors, (25), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:28,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:28,120 INFO L93 Difference]: Finished difference Result 99 states and 126 transitions. [2025-01-10 01:31:28,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:31:28,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 10 states have internal predecessors, (25), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 23 [2025-01-10 01:31:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:28,122 INFO L225 Difference]: With dead ends: 99 [2025-01-10 01:31:28,122 INFO L226 Difference]: Without dead ends: 98 [2025-01-10 01:31:28,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:31:28,122 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 0 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:28,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:28,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-01-10 01:31:28,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2025-01-10 01:31:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 74 states have (on average 1.2702702702702702) internal successors, (94), 80 states have internal predecessors, (94), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 01:31:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2025-01-10 01:31:28,129 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 23 [2025-01-10 01:31:28,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:28,130 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2025-01-10 01:31:28,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 10 states have internal predecessors, (25), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2025-01-10 01:31:28,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 01:31:28,130 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:28,131 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:28,137 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 [2025-01-10 01:31:28,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:28,335 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:28,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash -788811705, now seen corresponding path program 1 times [2025-01-10 01:31:28,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:28,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300993855] [2025-01-10 01:31:28,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:28,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:31:28,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:31:28,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:28,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:28,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:31:28,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:28,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300993855] [2025-01-10 01:31:28,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300993855] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:28,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309036332] [2025-01-10 01:31:28,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:28,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:28,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:28,432 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) [2025-01-10 01:31:28,433 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 [2025-01-10 01:31:28,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:31:28,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:31:28,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:28,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:28,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:31:28,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:31:28,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:31:28,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309036332] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:28,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:28,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2025-01-10 01:31:28,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096369194] [2025-01-10 01:31:28,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:28,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:31:28,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:28,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:31:28,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:31:28,741 INFO L87 Difference]: Start difference. First operand 98 states and 120 transitions. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:31:28,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:28,830 INFO L93 Difference]: Finished difference Result 160 states and 195 transitions. [2025-01-10 01:31:28,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:31:28,831 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 3 states have call successors, (4), 2 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 30 [2025-01-10 01:31:28,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:28,835 INFO L225 Difference]: With dead ends: 160 [2025-01-10 01:31:28,835 INFO L226 Difference]: Without dead ends: 99 [2025-01-10 01:31:28,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:31:28,836 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 7 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:28,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 271 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:28,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-01-10 01:31:28,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 98. [2025-01-10 01:31:28,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 74 states have (on average 1.2567567567567568) internal successors, (93), 80 states have internal predecessors, (93), 13 states have call successors, (13), 4 states have call predecessors, (13), 4 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-01-10 01:31:28,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 119 transitions. [2025-01-10 01:31:28,850 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 119 transitions. Word has length 30 [2025-01-10 01:31:28,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:28,853 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 119 transitions. [2025-01-10 01:31:28,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 13 states have internal predecessors, (35), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:31:28,854 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 119 transitions. [2025-01-10 01:31:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 01:31:28,854 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:28,854 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:28,864 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:31:29,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:29,055 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:29,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:29,057 INFO L85 PathProgramCache]: Analyzing trace with hash 903714696, now seen corresponding path program 2 times [2025-01-10 01:31:29,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:29,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471380064] [2025-01-10 01:31:29,057 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:29,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:29,066 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-01-10 01:31:29,078 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:31:29,078 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:29,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-10 01:31:29,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:29,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471380064] [2025-01-10 01:31:29,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471380064] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:29,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:29,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:31:29,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844568423] [2025-01-10 01:31:29,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:29,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:31:29,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:29,176 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:31:29,176 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:29,176 INFO L87 Difference]: Start difference. First operand 98 states and 119 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:31:29,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:29,257 INFO L93 Difference]: Finished difference Result 196 states and 257 transitions. [2025-01-10 01:31:29,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:31:29,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2025-01-10 01:31:29,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:29,259 INFO L225 Difference]: With dead ends: 196 [2025-01-10 01:31:29,259 INFO L226 Difference]: Without dead ends: 138 [2025-01-10 01:31:29,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:31:29,260 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 35 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:29,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 115 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-01-10 01:31:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 133. [2025-01-10 01:31:29,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 102 states have (on average 1.2549019607843137) internal successors, (128), 107 states have internal predecessors, (128), 17 states have call successors, (17), 5 states have call predecessors, (17), 7 states have return successors, (32), 20 states have call predecessors, (32), 17 states have call successors, (32) [2025-01-10 01:31:29,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 177 transitions. [2025-01-10 01:31:29,280 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 177 transitions. Word has length 39 [2025-01-10 01:31:29,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:29,280 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 177 transitions. [2025-01-10 01:31:29,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 01:31:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 177 transitions. [2025-01-10 01:31:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 01:31:29,281 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:29,281 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:29,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 01:31:29,281 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:29,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:29,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1503210268, now seen corresponding path program 1 times [2025-01-10 01:31:29,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:29,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745754146] [2025-01-10 01:31:29,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:29,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:31:29,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:31:29,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:29,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:31:29,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745754146] [2025-01-10 01:31:29,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745754146] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:29,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266406791] [2025-01-10 01:31:29,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:29,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:29,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:29,416 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) [2025-01-10 01:31:29,418 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 [2025-01-10 01:31:29,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:31:29,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:31:29,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:29,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:29,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:31:29,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-10 01:31:29,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:29,621 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-10 01:31:29,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266406791] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:29,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:29,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 17 [2025-01-10 01:31:29,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704227057] [2025-01-10 01:31:29,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:29,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:31:29,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:29,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:31:29,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:31:29,623 INFO L87 Difference]: Start difference. First operand 133 states and 177 transitions. Second operand has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 01:31:30,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:30,182 INFO L93 Difference]: Finished difference Result 393 states and 557 transitions. [2025-01-10 01:31:30,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-10 01:31:30,182 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 40 [2025-01-10 01:31:30,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:30,184 INFO L225 Difference]: With dead ends: 393 [2025-01-10 01:31:30,184 INFO L226 Difference]: Without dead ends: 298 [2025-01-10 01:31:30,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 674 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=409, Invalid=2243, Unknown=0, NotChecked=0, Total=2652 [2025-01-10 01:31:30,186 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 32 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:30,186 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 497 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2025-01-10 01:31:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 263. [2025-01-10 01:31:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 209 states have (on average 1.2105263157894737) internal successors, (253), 212 states have internal predecessors, (253), 40 states have call successors, (40), 5 states have call predecessors, (40), 7 states have return successors, (82), 45 states have call predecessors, (82), 40 states have call successors, (82) [2025-01-10 01:31:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 375 transitions. [2025-01-10 01:31:30,206 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 375 transitions. Word has length 40 [2025-01-10 01:31:30,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:30,207 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 375 transitions. [2025-01-10 01:31:30,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 01:31:30,207 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 375 transitions. [2025-01-10 01:31:30,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 01:31:30,208 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:30,208 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:30,213 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 [2025-01-10 01:31:30,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:30,412 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:30,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:30,413 INFO L85 PathProgramCache]: Analyzing trace with hash -334014308, now seen corresponding path program 1 times [2025-01-10 01:31:30,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:30,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971488786] [2025-01-10 01:31:30,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:30,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:30,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 01:31:30,424 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 01:31:30,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:30,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:30,475 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-10 01:31:30,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:30,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971488786] [2025-01-10 01:31:30,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971488786] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:30,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615523625] [2025-01-10 01:31:30,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:30,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:30,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:30,479 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) [2025-01-10 01:31:30,481 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 [2025-01-10 01:31:30,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 01:31:30,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 01:31:30,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:30,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:30,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:31:30,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-10 01:31:30,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 7 proven. 17 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-01-10 01:31:30,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615523625] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:30,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:30,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-01-10 01:31:30,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329458777] [2025-01-10 01:31:30,641 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:30,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:31:30,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:30,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:31:30,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:31:30,642 INFO L87 Difference]: Start difference. First operand 263 states and 375 transitions. Second operand has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:30,856 INFO L93 Difference]: Finished difference Result 312 states and 473 transitions. [2025-01-10 01:31:30,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:31:30,857 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 45 [2025-01-10 01:31:30,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:30,859 INFO L225 Difference]: With dead ends: 312 [2025-01-10 01:31:30,859 INFO L226 Difference]: Without dead ends: 310 [2025-01-10 01:31:30,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:31:30,859 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 107 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:30,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 182 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:30,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2025-01-10 01:31:30,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 297. [2025-01-10 01:31:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 236 states have (on average 1.2203389830508475) internal successors, (288), 238 states have internal predecessors, (288), 43 states have call successors, (43), 8 states have call predecessors, (43), 12 states have return successors, (91), 50 states have call predecessors, (91), 43 states have call successors, (91) [2025-01-10 01:31:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 422 transitions. [2025-01-10 01:31:30,880 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 422 transitions. Word has length 45 [2025-01-10 01:31:30,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:30,880 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 422 transitions. [2025-01-10 01:31:30,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 13 states have internal predecessors, (52), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 01:31:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 422 transitions. [2025-01-10 01:31:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 01:31:30,881 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:30,881 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:30,889 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 [2025-01-10 01:31:31,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 01:31:31,082 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:31,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash 488528166, now seen corresponding path program 2 times [2025-01-10 01:31:31,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:31,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933114644] [2025-01-10 01:31:31,083 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:31,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:31,086 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 50 statements into 2 equivalence classes. [2025-01-10 01:31:31,090 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:31:31,091 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:31,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:31,266 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:31:31,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933114644] [2025-01-10 01:31:31,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933114644] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:31,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036651199] [2025-01-10 01:31:31,266 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:31,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:31,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:31,270 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) [2025-01-10 01:31:31,274 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 [2025-01-10 01:31:31,299 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 50 statements into 2 equivalence classes. [2025-01-10 01:31:31,313 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:31:31,313 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:31,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:31,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:31:31,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:31,354 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:31:31,354 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:31,484 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:31:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036651199] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:31,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:31,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-01-10 01:31:31,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208112992] [2025-01-10 01:31:31,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:31,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:31:31,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:31,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:31:31,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:31:31,485 INFO L87 Difference]: Start difference. First operand 297 states and 422 transitions. Second operand has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 01:31:31,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:31,577 INFO L93 Difference]: Finished difference Result 538 states and 854 transitions. [2025-01-10 01:31:31,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 01:31:31,578 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 50 [2025-01-10 01:31:31,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:31,584 INFO L225 Difference]: With dead ends: 538 [2025-01-10 01:31:31,584 INFO L226 Difference]: Without dead ends: 537 [2025-01-10 01:31:31,585 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:31:31,585 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:31,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:31,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-01-10 01:31:31,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2025-01-10 01:31:31,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 428 states have (on average 1.233644859813084) internal successors, (528), 430 states have internal predecessors, (528), 91 states have call successors, (91), 8 states have call predecessors, (91), 12 states have return successors, (187), 98 states have call predecessors, (187), 91 states have call successors, (187) [2025-01-10 01:31:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 806 transitions. [2025-01-10 01:31:31,618 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 806 transitions. Word has length 50 [2025-01-10 01:31:31,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:31,618 INFO L471 AbstractCegarLoop]: Abstraction has 537 states and 806 transitions. [2025-01-10 01:31:31,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.3333333333333335) internal successors, (49), 22 states have internal predecessors, (49), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 01:31:31,618 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 806 transitions. [2025-01-10 01:31:31,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-01-10 01:31:31,619 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:31,619 INFO L218 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:31,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:31:31,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-10 01:31:31,820 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:31,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:31,820 INFO L85 PathProgramCache]: Analyzing trace with hash -312321254, now seen corresponding path program 1 times [2025-01-10 01:31:31,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:31,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845635704] [2025-01-10 01:31:31,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:31,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:31,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 01:31:31,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 01:31:31,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:31,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 14 proven. 21 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-01-10 01:31:31,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845635704] [2025-01-10 01:31:31,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845635704] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826152392] [2025-01-10 01:31:31,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:31,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:31,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:31,928 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) [2025-01-10 01:31:31,932 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 [2025-01-10 01:31:31,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-01-10 01:31:31,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-01-10 01:31:31,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:31,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:31,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:31:31,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:32,059 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:31:32,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:32,133 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2025-01-10 01:31:32,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826152392] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:32,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:32,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 14 [2025-01-10 01:31:32,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546822345] [2025-01-10 01:31:32,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:32,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:31:32,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:32,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:31:32,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:31:32,136 INFO L87 Difference]: Start difference. First operand 537 states and 806 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 12 states have internal predecessors, (65), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-01-10 01:31:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:32,482 INFO L93 Difference]: Finished difference Result 1084 states and 1750 transitions. [2025-01-10 01:31:32,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-10 01:31:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 12 states have internal predecessors, (65), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 58 [2025-01-10 01:31:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:32,486 INFO L225 Difference]: With dead ends: 1084 [2025-01-10 01:31:32,486 INFO L226 Difference]: Without dead ends: 637 [2025-01-10 01:31:32,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 111 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=681, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:31:32,488 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 159 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:32,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 191 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:32,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-01-10 01:31:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 607. [2025-01-10 01:31:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 484 states have (on average 1.2396694214876034) internal successors, (600), 486 states have internal predecessors, (600), 97 states have call successors, (97), 14 states have call predecessors, (97), 20 states have return successors, (197), 106 states have call predecessors, (197), 97 states have call successors, (197) [2025-01-10 01:31:32,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 894 transitions. [2025-01-10 01:31:32,577 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 894 transitions. Word has length 58 [2025-01-10 01:31:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:32,580 INFO L471 AbstractCegarLoop]: Abstraction has 607 states and 894 transitions. [2025-01-10 01:31:32,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 12 states have internal predecessors, (65), 8 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-01-10 01:31:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 894 transitions. [2025-01-10 01:31:32,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 01:31:32,581 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:32,581 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:32,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 01:31:32,784 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,SelfDestructingSolverStorable14 [2025-01-10 01:31:32,785 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:32,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:32,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1312612380, now seen corresponding path program 1 times [2025-01-10 01:31:32,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:32,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364734245] [2025-01-10 01:31:32,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:32,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:31:32,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:31:32,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:32,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-10 01:31:32,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:32,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364734245] [2025-01-10 01:31:32,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364734245] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:32,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:32,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:31:32,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184415937] [2025-01-10 01:31:32,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:32,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:31:32,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:32,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:31:32,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:31:32,905 INFO L87 Difference]: Start difference. First operand 607 states and 894 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:31:33,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:33,000 INFO L93 Difference]: Finished difference Result 1098 states and 1700 transitions. [2025-01-10 01:31:33,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:31:33,000 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2025-01-10 01:31:33,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:33,003 INFO L225 Difference]: With dead ends: 1098 [2025-01-10 01:31:33,003 INFO L226 Difference]: Without dead ends: 587 [2025-01-10 01:31:33,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:33,006 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 30 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:33,006 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 93 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:33,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2025-01-10 01:31:33,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2025-01-10 01:31:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 467 states have (on average 1.2312633832976445) internal successors, (575), 472 states have internal predecessors, (575), 97 states have call successors, (97), 14 states have call predecessors, (97), 17 states have return successors, (146), 100 states have call predecessors, (146), 97 states have call successors, (146) [2025-01-10 01:31:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 818 transitions. [2025-01-10 01:31:33,032 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 818 transitions. Word has length 60 [2025-01-10 01:31:33,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:33,033 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 818 transitions. [2025-01-10 01:31:33,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:31:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 818 transitions. [2025-01-10 01:31:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-01-10 01:31:33,033 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:33,033 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:33,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 01:31:33,034 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:33,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:33,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2041479044, now seen corresponding path program 2 times [2025-01-10 01:31:33,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:33,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914883733] [2025-01-10 01:31:33,035 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:33,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:33,038 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 61 statements into 2 equivalence classes. [2025-01-10 01:31:33,041 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:31:33,041 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:33,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-01-10 01:31:33,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:33,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914883733] [2025-01-10 01:31:33,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914883733] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:33,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282342602] [2025-01-10 01:31:33,108 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:33,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:33,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:33,110 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) [2025-01-10 01:31:33,111 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 [2025-01-10 01:31:33,132 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 61 statements into 2 equivalence classes. [2025-01-10 01:31:33,146 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 61 of 61 statements. [2025-01-10 01:31:33,146 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:33,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:33,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:31:33,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-01-10 01:31:33,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:31:33,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282342602] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:33,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:31:33,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 01:31:33,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466467] [2025-01-10 01:31:33,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:33,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:31:33,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:33,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:31:33,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:31:33,216 INFO L87 Difference]: Start difference. First operand 587 states and 818 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2025-01-10 01:31:33,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:33,280 INFO L93 Difference]: Finished difference Result 618 states and 905 transitions. [2025-01-10 01:31:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:31:33,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 61 [2025-01-10 01:31:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:33,283 INFO L225 Difference]: With dead ends: 618 [2025-01-10 01:31:33,283 INFO L226 Difference]: Without dead ends: 617 [2025-01-10 01:31:33,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:31:33,285 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:33,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 107 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:33,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-01-10 01:31:33,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 605. [2025-01-10 01:31:33,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 481 states have (on average 1.2245322245322245) internal successors, (589), 485 states have internal predecessors, (589), 97 states have call successors, (97), 14 states have call predecessors, (97), 21 states have return successors, (189), 105 states have call predecessors, (189), 97 states have call successors, (189) [2025-01-10 01:31:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 875 transitions. [2025-01-10 01:31:33,333 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 875 transitions. Word has length 61 [2025-01-10 01:31:33,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:33,334 INFO L471 AbstractCegarLoop]: Abstraction has 605 states and 875 transitions. [2025-01-10 01:31:33,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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) [2025-01-10 01:31:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 875 transitions. [2025-01-10 01:31:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-01-10 01:31:33,334 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:33,334 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:33,340 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 [2025-01-10 01:31:33,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:33,535 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:33,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:33,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1138659016, now seen corresponding path program 1 times [2025-01-10 01:31:33,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:33,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967075389] [2025-01-10 01:31:33,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:33,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:33,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-01-10 01:31:33,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-01-10 01:31:33,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:33,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-10 01:31:33,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967075389] [2025-01-10 01:31:33,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967075389] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:33,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:33,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:31:33,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683061815] [2025-01-10 01:31:33,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:33,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:31:33,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:33,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:31:33,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:33,623 INFO L87 Difference]: Start difference. First operand 605 states and 875 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:31:33,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:33,721 INFO L93 Difference]: Finished difference Result 670 states and 1025 transitions. [2025-01-10 01:31:33,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:31:33,722 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 62 [2025-01-10 01:31:33,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:33,726 INFO L225 Difference]: With dead ends: 670 [2025-01-10 01:31:33,726 INFO L226 Difference]: Without dead ends: 669 [2025-01-10 01:31:33,726 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:31:33,726 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 6 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:33,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 192 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:33,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2025-01-10 01:31:33,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 646. [2025-01-10 01:31:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 646 states, 514 states have (on average 1.215953307392996) internal successors, (625), 516 states have internal predecessors, (625), 102 states have call successors, (102), 14 states have call predecessors, (102), 24 states have return successors, (241), 115 states have call predecessors, (241), 102 states have call successors, (241) [2025-01-10 01:31:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 968 transitions. [2025-01-10 01:31:33,787 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 968 transitions. Word has length 62 [2025-01-10 01:31:33,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:33,787 INFO L471 AbstractCegarLoop]: Abstraction has 646 states and 968 transitions. [2025-01-10 01:31:33,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 01:31:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 968 transitions. [2025-01-10 01:31:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 01:31:33,789 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:33,789 INFO L218 NwaCegarLoop]: trace histogram [10, 8, 6, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:33,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 01:31:33,789 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:33,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:33,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1425535433, now seen corresponding path program 1 times [2025-01-10 01:31:33,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:33,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970114768] [2025-01-10 01:31:33,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:33,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:33,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:31:33,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:31:33,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:33,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 68 proven. 43 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-01-10 01:31:33,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:33,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970114768] [2025-01-10 01:31:33,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970114768] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:33,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621674452] [2025-01-10 01:31:33,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:33,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:33,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:33,860 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) [2025-01-10 01:31:33,861 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 [2025-01-10 01:31:33,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:31:33,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:31:33,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:33,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:33,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:31:33,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:33,949 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2025-01-10 01:31:33,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:31:33,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621674452] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:33,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:31:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2025-01-10 01:31:33,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478239936] [2025-01-10 01:31:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:33,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:31:33,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:33,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:31:33,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:31:33,950 INFO L87 Difference]: Start difference. First operand 646 states and 968 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 01:31:34,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:34,189 INFO L93 Difference]: Finished difference Result 1296 states and 2109 transitions. [2025-01-10 01:31:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:31:34,190 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 96 [2025-01-10 01:31:34,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:34,194 INFO L225 Difference]: With dead ends: 1296 [2025-01-10 01:31:34,194 INFO L226 Difference]: Without dead ends: 744 [2025-01-10 01:31:34,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:31:34,197 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 23 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:34,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 118 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:34,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2025-01-10 01:31:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 737. [2025-01-10 01:31:34,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 588 states have (on average 1.2125850340136055) internal successors, (713), 583 states have internal predecessors, (713), 112 states have call successors, (112), 14 states have call predecessors, (112), 31 states have return successors, (280), 139 states have call predecessors, (280), 112 states have call successors, (280) [2025-01-10 01:31:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1105 transitions. [2025-01-10 01:31:34,254 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1105 transitions. Word has length 96 [2025-01-10 01:31:34,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:34,254 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1105 transitions. [2025-01-10 01:31:34,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-01-10 01:31:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1105 transitions. [2025-01-10 01:31:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 01:31:34,255 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:34,255 INFO L218 NwaCegarLoop]: trace histogram [10, 8, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:34,261 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 [2025-01-10 01:31:34,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:34,456 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:34,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:34,457 INFO L85 PathProgramCache]: Analyzing trace with hash -943947162, now seen corresponding path program 1 times [2025-01-10 01:31:34,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:34,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316738313] [2025-01-10 01:31:34,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:34,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:34,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:31:34,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:31:34,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:34,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 31 proven. 42 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-10 01:31:34,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:34,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316738313] [2025-01-10 01:31:34,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316738313] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:34,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141877690] [2025-01-10 01:31:34,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:34,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:34,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:34,526 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) [2025-01-10 01:31:34,527 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 [2025-01-10 01:31:34,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:31:34,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:31:34,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:34,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:34,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:31:34,577 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:34,600 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-10 01:31:34,600 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:31:34,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141877690] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:34,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:31:34,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2025-01-10 01:31:34,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660771419] [2025-01-10 01:31:34,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:34,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:31:34,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:34,601 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:31:34,601 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:31:34,601 INFO L87 Difference]: Start difference. First operand 737 states and 1105 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:31:34,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:34,721 INFO L93 Difference]: Finished difference Result 1285 states and 2044 transitions. [2025-01-10 01:31:34,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:31:34,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 98 [2025-01-10 01:31:34,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:34,726 INFO L225 Difference]: With dead ends: 1285 [2025-01-10 01:31:34,726 INFO L226 Difference]: Without dead ends: 649 [2025-01-10 01:31:34,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:34,731 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 23 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:34,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 93 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:34,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2025-01-10 01:31:34,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 645. [2025-01-10 01:31:34,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 514 states have (on average 1.206225680933852) internal successors, (620), 515 states have internal predecessors, (620), 102 states have call successors, (102), 14 states have call predecessors, (102), 24 states have return successors, (205), 115 states have call predecessors, (205), 102 states have call successors, (205) [2025-01-10 01:31:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 927 transitions. [2025-01-10 01:31:34,791 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 927 transitions. Word has length 98 [2025-01-10 01:31:34,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:34,791 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 927 transitions. [2025-01-10 01:31:34,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-01-10 01:31:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 927 transitions. [2025-01-10 01:31:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-01-10 01:31:34,792 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:34,792 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:34,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 01:31:34,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:34,993 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:34,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:34,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1938841685, now seen corresponding path program 2 times [2025-01-10 01:31:34,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:34,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855683735] [2025-01-10 01:31:34,994 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:34,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:34,998 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-01-10 01:31:35,004 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 01:31:35,004 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:35,004 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 01:31:35,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:35,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855683735] [2025-01-10 01:31:35,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855683735] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:35,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26132060] [2025-01-10 01:31:35,047 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:35,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:35,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:35,054 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) [2025-01-10 01:31:35,054 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 [2025-01-10 01:31:35,079 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-01-10 01:31:35,096 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-01-10 01:31:35,096 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:35,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:35,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:31:35,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 01:31:35,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:35,220 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-01-10 01:31:35,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26132060] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:35,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:35,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-01-10 01:31:35,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107107594] [2025-01-10 01:31:35,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:35,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:31:35,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:35,221 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:31:35,221 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:31:35,221 INFO L87 Difference]: Start difference. First operand 645 states and 927 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 01:31:35,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:35,279 INFO L93 Difference]: Finished difference Result 697 states and 1001 transitions. [2025-01-10 01:31:35,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:31:35,280 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2025-01-10 01:31:35,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:35,284 INFO L225 Difference]: With dead ends: 697 [2025-01-10 01:31:35,284 INFO L226 Difference]: Without dead ends: 696 [2025-01-10 01:31:35,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:31:35,285 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:35,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 183 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:35,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2025-01-10 01:31:35,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 665. [2025-01-10 01:31:35,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 529 states have (on average 1.2022684310018903) internal successors, (636), 530 states have internal predecessors, (636), 107 states have call successors, (107), 14 states have call predecessors, (107), 24 states have return successors, (218), 120 states have call predecessors, (218), 107 states have call successors, (218) [2025-01-10 01:31:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 961 transitions. [2025-01-10 01:31:35,316 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 961 transitions. Word has length 81 [2025-01-10 01:31:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:35,316 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 961 transitions. [2025-01-10 01:31:35,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 9 states have internal predecessors, (43), 3 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 01:31:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 961 transitions. [2025-01-10 01:31:35,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 01:31:35,317 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:35,318 INFO L218 NwaCegarLoop]: trace histogram [10, 8, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:35,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 01:31:35,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:35,518 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:35,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:35,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1207915882, now seen corresponding path program 1 times [2025-01-10 01:31:35,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:35,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992641332] [2025-01-10 01:31:35,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:35,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:35,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:31:35,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:31:35,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:35,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:35,649 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 46 proven. 40 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 01:31:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:35,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992641332] [2025-01-10 01:31:35,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992641332] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:35,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876049132] [2025-01-10 01:31:35,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:35,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:35,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:35,652 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) [2025-01-10 01:31:35,654 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 [2025-01-10 01:31:35,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:31:35,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:31:35,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:35,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:35,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:31:35,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 137 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-10 01:31:35,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:35,835 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 46 proven. 40 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-01-10 01:31:35,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876049132] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:35,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:35,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2025-01-10 01:31:35,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965797187] [2025-01-10 01:31:35,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:35,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:31:35,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:35,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:31:35,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:31:35,837 INFO L87 Difference]: Start difference. First operand 665 states and 961 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:31:35,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:35,960 INFO L93 Difference]: Finished difference Result 1287 states and 1866 transitions. [2025-01-10 01:31:35,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:31:35,961 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 97 [2025-01-10 01:31:35,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:35,965 INFO L225 Difference]: With dead ends: 1287 [2025-01-10 01:31:35,965 INFO L226 Difference]: Without dead ends: 709 [2025-01-10 01:31:35,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 188 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:31:35,969 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 35 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:35,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 184 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:35,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2025-01-10 01:31:35,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 695. [2025-01-10 01:31:35,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 695 states, 554 states have (on average 1.1895306859205776) internal successors, (659), 555 states have internal predecessors, (659), 109 states have call successors, (109), 19 states have call predecessors, (109), 27 states have return successors, (210), 120 states have call predecessors, (210), 109 states have call successors, (210) [2025-01-10 01:31:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 978 transitions. [2025-01-10 01:31:36,000 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 978 transitions. Word has length 97 [2025-01-10 01:31:36,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:36,000 INFO L471 AbstractCegarLoop]: Abstraction has 695 states and 978 transitions. [2025-01-10 01:31:36,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2025-01-10 01:31:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 978 transitions. [2025-01-10 01:31:36,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-01-10 01:31:36,002 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:36,002 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 10, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:36,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 01:31:36,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-01-10 01:31:36,203 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash -183919482, now seen corresponding path program 3 times [2025-01-10 01:31:36,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:36,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909456209] [2025-01-10 01:31:36,204 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:36,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:36,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 104 statements into 11 equivalence classes. [2025-01-10 01:31:36,220 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 01:31:36,221 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:31:36,221 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:31:36,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:36,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909456209] [2025-01-10 01:31:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909456209] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:36,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88155231] [2025-01-10 01:31:36,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:36,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:36,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:36,618 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) [2025-01-10 01:31:36,619 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 [2025-01-10 01:31:36,666 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 104 statements into 11 equivalence classes. [2025-01-10 01:31:36,713 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 104 of 104 statements. [2025-01-10 01:31:36,713 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:31:36,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:36,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:31:36,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:37,011 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:31:37,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:31:37,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88155231] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:37,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:37,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 23, 23] total 67 [2025-01-10 01:31:37,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182231926] [2025-01-10 01:31:37,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:37,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2025-01-10 01:31:37,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:37,473 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2025-01-10 01:31:37,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1078, Invalid=3478, Unknown=0, NotChecked=0, Total=4556 [2025-01-10 01:31:37,481 INFO L87 Difference]: Start difference. First operand 695 states and 978 transitions. Second operand has 68 states, 67 states have (on average 2.08955223880597) internal successors, (140), 68 states have internal predecessors, (140), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:31:38,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:38,303 INFO L93 Difference]: Finished difference Result 1177 states and 1830 transitions. [2025-01-10 01:31:38,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-10 01:31:38,304 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 67 states have (on average 2.08955223880597) internal successors, (140), 68 states have internal predecessors, (140), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) Word has length 104 [2025-01-10 01:31:38,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:38,309 INFO L225 Difference]: With dead ends: 1177 [2025-01-10 01:31:38,309 INFO L226 Difference]: Without dead ends: 1176 [2025-01-10 01:31:38,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3899 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1653, Invalid=6537, Unknown=0, NotChecked=0, Total=8190 [2025-01-10 01:31:38,312 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 52 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:38,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 339 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:31:38,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1176 states. [2025-01-10 01:31:38,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1176 to 1175. [2025-01-10 01:31:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 938 states have (on average 1.2142857142857142) internal successors, (1139), 939 states have internal predecessors, (1139), 205 states have call successors, (205), 19 states have call predecessors, (205), 27 states have return successors, (390), 216 states have call predecessors, (390), 205 states have call successors, (390) [2025-01-10 01:31:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1734 transitions. [2025-01-10 01:31:38,386 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1734 transitions. Word has length 104 [2025-01-10 01:31:38,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:38,386 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1734 transitions. [2025-01-10 01:31:38,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 2.08955223880597) internal successors, (140), 68 states have internal predecessors, (140), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:31:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1734 transitions. [2025-01-10 01:31:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-01-10 01:31:38,388 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:38,388 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:38,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:31:38,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:38,592 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1193350425, now seen corresponding path program 2 times [2025-01-10 01:31:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:38,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060178442] [2025-01-10 01:31:38,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:38,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:38,597 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-01-10 01:31:38,603 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:31:38,603 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:38,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 41 proven. 50 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-10 01:31:38,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:38,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060178442] [2025-01-10 01:31:38,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060178442] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:38,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891684672] [2025-01-10 01:31:38,713 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:38,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:38,715 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) [2025-01-10 01:31:38,722 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 [2025-01-10 01:31:38,745 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-01-10 01:31:38,765 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-01-10 01:31:38,765 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:38,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:38,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:31:38,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:38,850 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 151 proven. 32 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2025-01-10 01:31:38,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 41 proven. 50 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2025-01-10 01:31:38,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891684672] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:38,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:38,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 18 [2025-01-10 01:31:38,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033659053] [2025-01-10 01:31:38,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:38,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 01:31:38,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:38,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 01:31:38,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:31:38,956 INFO L87 Difference]: Start difference. First operand 1175 states and 1734 transitions. Second operand has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 01:31:39,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:39,096 INFO L93 Difference]: Finished difference Result 2228 states and 3323 transitions. [2025-01-10 01:31:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:31:39,096 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 112 [2025-01-10 01:31:39,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:39,102 INFO L225 Difference]: With dead ends: 2228 [2025-01-10 01:31:39,102 INFO L226 Difference]: Without dead ends: 1261 [2025-01-10 01:31:39,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 208 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:31:39,108 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 2 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:39,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 329 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:39,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2025-01-10 01:31:39,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1248. [2025-01-10 01:31:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1000 states have (on average 1.202) internal successors, (1202), 1001 states have internal predecessors, (1202), 216 states have call successors, (216), 19 states have call predecessors, (216), 27 states have return successors, (409), 227 states have call predecessors, (409), 216 states have call successors, (409) [2025-01-10 01:31:39,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1827 transitions. [2025-01-10 01:31:39,162 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1827 transitions. Word has length 112 [2025-01-10 01:31:39,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:39,162 INFO L471 AbstractCegarLoop]: Abstraction has 1248 states and 1827 transitions. [2025-01-10 01:31:39,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.7222222222222223) internal successors, (67), 18 states have internal predecessors, (67), 8 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 01:31:39,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1827 transitions. [2025-01-10 01:31:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-01-10 01:31:39,164 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:39,164 INFO L218 NwaCegarLoop]: trace histogram [12, 11, 6, 6, 6, 6, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:39,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 01:31:39,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:39,365 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:39,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:39,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1437697562, now seen corresponding path program 3 times [2025-01-10 01:31:39,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:39,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569406524] [2025-01-10 01:31:39,365 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:39,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:39,370 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 121 statements into 5 equivalence classes. [2025-01-10 01:31:39,380 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 104 of 121 statements. [2025-01-10 01:31:39,380 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:31:39,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 45 proven. 96 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-01-10 01:31:39,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:39,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569406524] [2025-01-10 01:31:39,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569406524] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:39,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095369844] [2025-01-10 01:31:39,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:39,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:39,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:39,546 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) [2025-01-10 01:31:39,549 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 [2025-01-10 01:31:39,576 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 121 statements into 5 equivalence classes. [2025-01-10 01:31:39,597 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 104 of 121 statements. [2025-01-10 01:31:39,597 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 01:31:39,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:39,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:31:39,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 177 proven. 40 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2025-01-10 01:31:39,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:39,866 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 40 proven. 58 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2025-01-10 01:31:39,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095369844] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:39,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:39,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 22 [2025-01-10 01:31:39,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837653503] [2025-01-10 01:31:39,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:39,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:31:39,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:39,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:31:39,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:31:39,868 INFO L87 Difference]: Start difference. First operand 1248 states and 1827 transitions. Second operand has 22 states, 22 states have (on average 4.045454545454546) internal successors, (89), 20 states have internal predecessors, (89), 11 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 10 states have call predecessors, (15), 9 states have call successors, (15) [2025-01-10 01:31:40,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:40,202 INFO L93 Difference]: Finished difference Result 2239 states and 3410 transitions. [2025-01-10 01:31:40,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:31:40,202 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.045454545454546) internal successors, (89), 20 states have internal predecessors, (89), 11 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 10 states have call predecessors, (15), 9 states have call successors, (15) Word has length 121 [2025-01-10 01:31:40,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:40,208 INFO L225 Difference]: With dead ends: 2239 [2025-01-10 01:31:40,208 INFO L226 Difference]: Without dead ends: 1242 [2025-01-10 01:31:40,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 225 SyntacticMatches, 8 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2025-01-10 01:31:40,215 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 38 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:40,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 284 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2025-01-10 01:31:40,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 1237. [2025-01-10 01:31:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 991 states have (on average 1.2028254288597375) internal successors, (1192), 993 states have internal predecessors, (1192), 212 states have call successors, (212), 22 states have call predecessors, (212), 29 states have return successors, (400), 221 states have call predecessors, (400), 212 states have call successors, (400) [2025-01-10 01:31:40,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1804 transitions. [2025-01-10 01:31:40,291 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1804 transitions. Word has length 121 [2025-01-10 01:31:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:40,291 INFO L471 AbstractCegarLoop]: Abstraction has 1237 states and 1804 transitions. [2025-01-10 01:31:40,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.045454545454546) internal successors, (89), 20 states have internal predecessors, (89), 11 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (15), 10 states have call predecessors, (15), 9 states have call successors, (15) [2025-01-10 01:31:40,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1804 transitions. [2025-01-10 01:31:40,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-01-10 01:31:40,293 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:40,293 INFO L218 NwaCegarLoop]: trace histogram [15, 12, 8, 7, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:40,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 01:31:40,497 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,SelfDestructingSolverStorable24 [2025-01-10 01:31:40,497 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:40,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:40,498 INFO L85 PathProgramCache]: Analyzing trace with hash -791165412, now seen corresponding path program 1 times [2025-01-10 01:31:40,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:40,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250766373] [2025-01-10 01:31:40,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:40,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:40,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-10 01:31:40,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 01:31:40,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:40,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 88 proven. 98 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:31:40,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:40,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250766373] [2025-01-10 01:31:40,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250766373] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:40,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845103620] [2025-01-10 01:31:40,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:40,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:40,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:40,619 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) [2025-01-10 01:31:40,622 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 [2025-01-10 01:31:40,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-10 01:31:40,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-10 01:31:40,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:40,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:40,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:31:40,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 269 proven. 51 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-01-10 01:31:40,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 88 proven. 98 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:31:40,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845103620] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:40,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:40,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2025-01-10 01:31:40,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286888604] [2025-01-10 01:31:40,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:40,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:31:40,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:40,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:31:40,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:31:40,870 INFO L87 Difference]: Start difference. First operand 1237 states and 1804 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 8 states have internal predecessors, (64), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:31:41,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:41,155 INFO L93 Difference]: Finished difference Result 2208 states and 3290 transitions. [2025-01-10 01:31:41,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 01:31:41,155 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 8 states have internal predecessors, (64), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 141 [2025-01-10 01:31:41,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:41,161 INFO L225 Difference]: With dead ends: 2208 [2025-01-10 01:31:41,161 INFO L226 Difference]: Without dead ends: 1224 [2025-01-10 01:31:41,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 275 SyntacticMatches, 8 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:31:41,165 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 69 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:41,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 279 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:41,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2025-01-10 01:31:41,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1210. [2025-01-10 01:31:41,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1210 states, 970 states have (on average 1.202061855670103) internal successors, (1166), 973 states have internal predecessors, (1166), 208 states have call successors, (208), 23 states have call predecessors, (208), 27 states have return successors, (382), 213 states have call predecessors, (382), 208 states have call successors, (382) [2025-01-10 01:31:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1756 transitions. [2025-01-10 01:31:41,215 INFO L78 Accepts]: Start accepts. Automaton has 1210 states and 1756 transitions. Word has length 141 [2025-01-10 01:31:41,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:41,216 INFO L471 AbstractCegarLoop]: Abstraction has 1210 states and 1756 transitions. [2025-01-10 01:31:41,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 8 states have internal predecessors, (64), 6 states have call successors, (12), 5 states have call predecessors, (12), 2 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:31:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1756 transitions. [2025-01-10 01:31:41,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-01-10 01:31:41,218 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:41,219 INFO L218 NwaCegarLoop]: trace histogram [13, 11, 9, 9, 8, 8, 8, 8, 8, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:41,225 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 [2025-01-10 01:31:41,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 01:31:41,423 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:41,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:41,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1656129292, now seen corresponding path program 1 times [2025-01-10 01:31:41,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:41,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362018944] [2025-01-10 01:31:41,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:41,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:41,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 01:31:41,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 01:31:41,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:41,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:41,497 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 170 proven. 25 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2025-01-10 01:31:41,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:41,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362018944] [2025-01-10 01:31:41,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362018944] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:41,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555806796] [2025-01-10 01:31:41,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:41,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:41,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:41,500 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) [2025-01-10 01:31:41,500 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 [2025-01-10 01:31:41,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-01-10 01:31:41,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-01-10 01:31:41,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:41,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:41,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:31:41,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:41,578 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2025-01-10 01:31:41,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:31:41,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555806796] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:41,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:31:41,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2025-01-10 01:31:41,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124552187] [2025-01-10 01:31:41,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:41,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:31:41,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:41,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:31:41,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:31:41,579 INFO L87 Difference]: Start difference. First operand 1210 states and 1756 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 01:31:41,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:41,679 INFO L93 Difference]: Finished difference Result 1704 states and 2544 transitions. [2025-01-10 01:31:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:31:41,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) Word has length 128 [2025-01-10 01:31:41,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:41,683 INFO L225 Difference]: With dead ends: 1704 [2025-01-10 01:31:41,683 INFO L226 Difference]: Without dead ends: 841 [2025-01-10 01:31:41,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:31:41,688 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 23 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:41,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 149 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2025-01-10 01:31:41,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 836. [2025-01-10 01:31:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 671 states have (on average 1.1847988077496274) internal successors, (795), 675 states have internal predecessors, (795), 139 states have call successors, (139), 19 states have call predecessors, (139), 21 states have return successors, (213), 141 states have call predecessors, (213), 139 states have call successors, (213) [2025-01-10 01:31:41,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1147 transitions. [2025-01-10 01:31:41,740 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1147 transitions. Word has length 128 [2025-01-10 01:31:41,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:41,740 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1147 transitions. [2025-01-10 01:31:41,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 01:31:41,741 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1147 transitions. [2025-01-10 01:31:41,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-01-10 01:31:41,742 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:41,742 INFO L218 NwaCegarLoop]: trace histogram [17, 16, 11, 9, 9, 8, 8, 8, 8, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:41,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:31:41,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:41,943 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:41,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:41,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1363648517, now seen corresponding path program 1 times [2025-01-10 01:31:41,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:41,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374595824] [2025-01-10 01:31:41,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:41,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:41,949 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-01-10 01:31:41,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-10 01:31:41,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:41,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:42,000 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 202 proven. 50 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2025-01-10 01:31:42,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374595824] [2025-01-10 01:31:42,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374595824] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:42,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105318355] [2025-01-10 01:31:42,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:42,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:42,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:42,005 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) [2025-01-10 01:31:42,006 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 [2025-01-10 01:31:42,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-01-10 01:31:42,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-10 01:31:42,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:42,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:42,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:31:42,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:42,078 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 458 proven. 1 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2025-01-10 01:31:42,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 202 proven. 50 refuted. 0 times theorem prover too weak. 553 trivial. 0 not checked. [2025-01-10 01:31:42,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1105318355] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:42,177 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:42,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2025-01-10 01:31:42,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466533450] [2025-01-10 01:31:42,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:42,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:31:42,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:42,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:31:42,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:42,178 INFO L87 Difference]: Start difference. First operand 836 states and 1147 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:31:42,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:42,250 INFO L93 Difference]: Finished difference Result 1458 states and 2188 transitions. [2025-01-10 01:31:42,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:31:42,250 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 175 [2025-01-10 01:31:42,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:42,255 INFO L225 Difference]: With dead ends: 1458 [2025-01-10 01:31:42,255 INFO L226 Difference]: Without dead ends: 842 [2025-01-10 01:31:42,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 347 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:31:42,258 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 31 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:42,258 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 105 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:42,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-01-10 01:31:42,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 836. [2025-01-10 01:31:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 836 states, 671 states have (on average 1.1833084947839045) internal successors, (794), 675 states have internal predecessors, (794), 139 states have call successors, (139), 19 states have call predecessors, (139), 21 states have return successors, (212), 141 states have call predecessors, (212), 139 states have call successors, (212) [2025-01-10 01:31:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1145 transitions. [2025-01-10 01:31:42,314 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1145 transitions. Word has length 175 [2025-01-10 01:31:42,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:42,314 INFO L471 AbstractCegarLoop]: Abstraction has 836 states and 1145 transitions. [2025-01-10 01:31:42,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 3 states have call successors, (9), 2 states have call predecessors, (9), 3 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 01:31:42,314 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1145 transitions. [2025-01-10 01:31:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-01-10 01:31:42,317 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:42,317 INFO L218 NwaCegarLoop]: trace histogram [18, 16, 11, 9, 9, 8, 8, 8, 8, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:42,323 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 01:31:42,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 01:31:42,518 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:42,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:42,518 INFO L85 PathProgramCache]: Analyzing trace with hash 210154226, now seen corresponding path program 2 times [2025-01-10 01:31:42,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:42,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987353393] [2025-01-10 01:31:42,519 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:42,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:42,526 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 179 statements into 2 equivalence classes. [2025-01-10 01:31:42,541 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 179 of 179 statements. [2025-01-10 01:31:42,542 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:42,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 305 proven. 66 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-01-10 01:31:42,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:42,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987353393] [2025-01-10 01:31:42,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987353393] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:42,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453251847] [2025-01-10 01:31:42,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:42,727 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) [2025-01-10 01:31:42,728 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 [2025-01-10 01:31:42,759 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 179 statements into 2 equivalence classes. [2025-01-10 01:31:42,791 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 179 of 179 statements. [2025-01-10 01:31:42,791 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:42,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:42,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:31:42,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:42,916 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 411 proven. 10 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-01-10 01:31:42,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 305 proven. 66 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-01-10 01:31:43,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453251847] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:43,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:43,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 20 [2025-01-10 01:31:43,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82438571] [2025-01-10 01:31:43,163 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:43,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 01:31:43,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:43,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 01:31:43,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:31:43,164 INFO L87 Difference]: Start difference. First operand 836 states and 1145 transitions. Second operand has 20 states, 20 states have (on average 4.75) internal successors, (95), 20 states have internal predecessors, (95), 12 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 7 states have call predecessors, (15), 12 states have call successors, (15) [2025-01-10 01:31:43,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:43,478 INFO L93 Difference]: Finished difference Result 1367 states and 2123 transitions. [2025-01-10 01:31:43,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 01:31:43,479 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.75) internal successors, (95), 20 states have internal predecessors, (95), 12 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 7 states have call predecessors, (15), 12 states have call successors, (15) Word has length 179 [2025-01-10 01:31:43,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:43,484 INFO L225 Difference]: With dead ends: 1367 [2025-01-10 01:31:43,484 INFO L226 Difference]: Without dead ends: 910 [2025-01-10 01:31:43,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 344 SyntacticMatches, 10 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=420, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:31:43,486 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 84 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:43,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 245 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:31:43,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 910 states. [2025-01-10 01:31:43,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 910 to 872. [2025-01-10 01:31:43,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 700 states have (on average 1.1828571428571428) internal successors, (828), 703 states have internal predecessors, (828), 143 states have call successors, (143), 20 states have call predecessors, (143), 24 states have return successors, (363), 148 states have call predecessors, (363), 143 states have call successors, (363) [2025-01-10 01:31:43,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1334 transitions. [2025-01-10 01:31:43,525 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1334 transitions. Word has length 179 [2025-01-10 01:31:43,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:43,525 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1334 transitions. [2025-01-10 01:31:43,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.75) internal successors, (95), 20 states have internal predecessors, (95), 12 states have call successors, (17), 2 states have call predecessors, (17), 4 states have return successors, (15), 7 states have call predecessors, (15), 12 states have call successors, (15) [2025-01-10 01:31:43,526 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1334 transitions. [2025-01-10 01:31:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-01-10 01:31:43,527 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:43,527 INFO L218 NwaCegarLoop]: trace histogram [19, 18, 12, 9, 9, 8, 8, 8, 8, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:43,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 01:31:43,732 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,SelfDestructingSolverStorable28 [2025-01-10 01:31:43,732 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting partsErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:43,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:43,733 INFO L85 PathProgramCache]: Analyzing trace with hash 217641652, now seen corresponding path program 3 times [2025-01-10 01:31:43,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:43,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202868020] [2025-01-10 01:31:43,733 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:43,739 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 9 equivalence classes. [2025-01-10 01:31:43,741 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 35 of 195 statements. [2025-01-10 01:31:43,741 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:31:43,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 74 proven. 80 refuted. 0 times theorem prover too weak. 839 trivial. 0 not checked. [2025-01-10 01:31:43,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:43,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202868020] [2025-01-10 01:31:43,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202868020] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:43,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979899183] [2025-01-10 01:31:43,774 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:43,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:43,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:43,776 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) [2025-01-10 01:31:43,777 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 [2025-01-10 01:31:43,809 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 9 equivalence classes. [2025-01-10 01:31:43,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 35 of 195 statements. [2025-01-10 01:31:43,816 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:31:43,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:43,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:31:43,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 74 proven. 10 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2025-01-10 01:31:43,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:44,044 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 74 proven. 10 refuted. 0 times theorem prover too weak. 909 trivial. 0 not checked. [2025-01-10 01:31:44,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979899183] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:44,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:44,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2025-01-10 01:31:44,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468488156] [2025-01-10 01:31:44,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:44,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:31:44,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:44,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:31:44,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:31:44,046 INFO L87 Difference]: Start difference. First operand 872 states and 1334 transitions. Second operand has 13 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 8 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-01-10 01:31:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:44,221 INFO L93 Difference]: Finished difference Result 953 states and 1515 transitions. [2025-01-10 01:31:44,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:31:44,221 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 8 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 195 [2025-01-10 01:31:44,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:44,227 INFO L225 Difference]: With dead ends: 953 [2025-01-10 01:31:44,227 INFO L226 Difference]: Without dead ends: 943 [2025-01-10 01:31:44,228 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 404 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:31:44,228 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 154 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:44,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 143 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:44,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2025-01-10 01:31:44,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 912. [2025-01-10 01:31:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 912 states, 733 states have (on average 1.1732605729877217) internal successors, (860), 734 states have internal predecessors, (860), 149 states have call successors, (149), 22 states have call predecessors, (149), 26 states have return successors, (235), 155 states have call predecessors, (235), 149 states have call successors, (235) [2025-01-10 01:31:44,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1244 transitions. [2025-01-10 01:31:44,291 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1244 transitions. Word has length 195 [2025-01-10 01:31:44,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:44,292 INFO L471 AbstractCegarLoop]: Abstraction has 912 states and 1244 transitions. [2025-01-10 01:31:44,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 8 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-01-10 01:31:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1244 transitions. [2025-01-10 01:31:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-01-10 01:31:44,299 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:44,299 INFO L218 NwaCegarLoop]: trace histogram [25, 23, 16, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:31:44,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 01:31:44,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:44,501 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:44,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:44,501 INFO L85 PathProgramCache]: Analyzing trace with hash 104384061, now seen corresponding path program 1 times [2025-01-10 01:31:44,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:44,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795420923] [2025-01-10 01:31:44,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:44,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:44,508 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-01-10 01:31:44,525 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-01-10 01:31:44,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:44,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:44,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1636 backedges. 295 proven. 145 refuted. 0 times theorem prover too weak. 1196 trivial. 0 not checked. [2025-01-10 01:31:44,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:44,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795420923] [2025-01-10 01:31:44,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795420923] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:44,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210024895] [2025-01-10 01:31:44,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:44,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:44,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:44,799 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) [2025-01-10 01:31:44,804 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 [2025-01-10 01:31:44,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-01-10 01:31:44,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-01-10 01:31:44,893 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:44,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:44,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:31:44,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1636 backedges. 795 proven. 15 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2025-01-10 01:31:45,112 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1636 backedges. 295 proven. 145 refuted. 0 times theorem prover too weak. 1196 trivial. 0 not checked. [2025-01-10 01:31:45,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210024895] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:45,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:45,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2025-01-10 01:31:45,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728983755] [2025-01-10 01:31:45,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:45,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-01-10 01:31:45,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:45,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-01-10 01:31:45,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=653, Unknown=0, NotChecked=0, Total=756 [2025-01-10 01:31:45,399 INFO L87 Difference]: Start difference. First operand 912 states and 1244 transitions. Second operand has 28 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 24 states have internal predecessors, (110), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2025-01-10 01:31:46,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:46,050 INFO L93 Difference]: Finished difference Result 1618 states and 2469 transitions. [2025-01-10 01:31:46,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-10 01:31:46,051 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 24 states have internal predecessors, (110), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) Word has length 247 [2025-01-10 01:31:46,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:46,057 INFO L225 Difference]: With dead ends: 1618 [2025-01-10 01:31:46,057 INFO L226 Difference]: Without dead ends: 1102 [2025-01-10 01:31:46,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 474 SyntacticMatches, 15 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=1424, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 01:31:46,062 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 193 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 1043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:46,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 464 Invalid, 1043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:31:46,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2025-01-10 01:31:46,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 1064. [2025-01-10 01:31:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 858 states have (on average 1.1596736596736597) internal successors, (995), 851 states have internal predecessors, (995), 169 states have call successors, (169), 27 states have call predecessors, (169), 33 states have return successors, (203), 185 states have call predecessors, (203), 169 states have call successors, (203) [2025-01-10 01:31:46,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 1367 transitions. [2025-01-10 01:31:46,133 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 1367 transitions. Word has length 247 [2025-01-10 01:31:46,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:46,133 INFO L471 AbstractCegarLoop]: Abstraction has 1064 states and 1367 transitions. [2025-01-10 01:31:46,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 24 states have internal predecessors, (110), 14 states have call successors, (21), 6 states have call predecessors, (21), 3 states have return successors, (17), 10 states have call predecessors, (17), 12 states have call successors, (17) [2025-01-10 01:31:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 1367 transitions. [2025-01-10 01:31:46,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2025-01-10 01:31:46,136 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:46,136 INFO L218 NwaCegarLoop]: trace histogram [29, 25, 21, 12, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:31:46,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:31:46,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:46,337 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:46,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:46,337 INFO L85 PathProgramCache]: Analyzing trace with hash -642957412, now seen corresponding path program 2 times [2025-01-10 01:31:46,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:46,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133796349] [2025-01-10 01:31:46,337 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:46,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:46,345 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 283 statements into 2 equivalence classes. [2025-01-10 01:31:46,357 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 283 of 283 statements. [2025-01-10 01:31:46,357 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:46,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:46,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2180 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2025-01-10 01:31:46,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:46,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133796349] [2025-01-10 01:31:46,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133796349] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:31:46,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:31:46,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:31:46,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456254087] [2025-01-10 01:31:46,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:31:46,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:31:46,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:46,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:31:46,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:31:46,414 INFO L87 Difference]: Start difference. First operand 1064 states and 1367 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:31:46,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:46,461 INFO L93 Difference]: Finished difference Result 1083 states and 1393 transitions. [2025-01-10 01:31:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:31:46,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 283 [2025-01-10 01:31:46,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:46,466 INFO L225 Difference]: With dead ends: 1083 [2025-01-10 01:31:46,466 INFO L226 Difference]: Without dead ends: 1082 [2025-01-10 01:31:46,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:31:46,467 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:46,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 142 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2025-01-10 01:31:46,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1022. [2025-01-10 01:31:46,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1022 states, 826 states have (on average 1.165859564164649) internal successors, (963), 820 states have internal predecessors, (963), 161 states have call successors, (161), 27 states have call predecessors, (161), 31 states have return successors, (179), 174 states have call predecessors, (179), 161 states have call successors, (179) [2025-01-10 01:31:46,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 1022 states and 1303 transitions. [2025-01-10 01:31:46,509 INFO L78 Accepts]: Start accepts. Automaton has 1022 states and 1303 transitions. Word has length 283 [2025-01-10 01:31:46,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:46,509 INFO L471 AbstractCegarLoop]: Abstraction has 1022 states and 1303 transitions. [2025-01-10 01:31:46,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 01:31:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1303 transitions. [2025-01-10 01:31:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-01-10 01:31:46,512 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:46,513 INFO L218 NwaCegarLoop]: trace histogram [30, 26, 22, 13, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:31:46,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-01-10 01:31:46,513 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:46,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:46,514 INFO L85 PathProgramCache]: Analyzing trace with hash -2036796205, now seen corresponding path program 1 times [2025-01-10 01:31:46,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:46,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606007059] [2025-01-10 01:31:46,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:46,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:46,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-01-10 01:31:46,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-01-10 01:31:46,561 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:46,561 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 300 proven. 289 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2025-01-10 01:31:46,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:46,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606007059] [2025-01-10 01:31:46,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606007059] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:46,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73115938] [2025-01-10 01:31:46,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:46,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:46,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:46,821 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) [2025-01-10 01:31:46,823 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 [2025-01-10 01:31:46,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-01-10 01:31:46,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-01-10 01:31:46,909 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:46,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:46,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:31:46,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 1177 proven. 137 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2025-01-10 01:31:47,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2337 backedges. 300 proven. 289 refuted. 0 times theorem prover too weak. 1748 trivial. 0 not checked. [2025-01-10 01:31:47,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73115938] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:47,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:47,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 23 [2025-01-10 01:31:47,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310232224] [2025-01-10 01:31:47,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:47,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-10 01:31:47,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:47,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-10 01:31:47,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:31:47,300 INFO L87 Difference]: Start difference. First operand 1022 states and 1303 transitions. Second operand has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 20 states have internal predecessors, (89), 12 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2025-01-10 01:31:47,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:47,696 INFO L93 Difference]: Finished difference Result 1895 states and 2543 transitions. [2025-01-10 01:31:47,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-01-10 01:31:47,697 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 20 states have internal predecessors, (89), 12 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 292 [2025-01-10 01:31:47,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:47,701 INFO L225 Difference]: With dead ends: 1895 [2025-01-10 01:31:47,701 INFO L226 Difference]: Without dead ends: 1037 [2025-01-10 01:31:47,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 617 GetRequests, 566 SyntacticMatches, 13 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 455 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=224, Invalid=1336, Unknown=0, NotChecked=0, Total=1560 [2025-01-10 01:31:47,705 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 68 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:47,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 293 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:47,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2025-01-10 01:31:47,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1030. [2025-01-10 01:31:47,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 832 states have (on average 1.1646634615384615) internal successors, (969), 825 states have internal predecessors, (969), 161 states have call successors, (161), 29 states have call predecessors, (161), 33 states have return successors, (179), 175 states have call predecessors, (179), 161 states have call successors, (179) [2025-01-10 01:31:47,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1309 transitions. [2025-01-10 01:31:47,743 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1309 transitions. Word has length 292 [2025-01-10 01:31:47,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:47,744 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1309 transitions. [2025-01-10 01:31:47,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.869565217391304) internal successors, (89), 20 states have internal predecessors, (89), 12 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2025-01-10 01:31:47,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1309 transitions. [2025-01-10 01:31:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2025-01-10 01:31:47,747 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:47,747 INFO L218 NwaCegarLoop]: trace histogram [24, 23, 16, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:47,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-10 01:31:47,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-01-10 01:31:47,951 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:47,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:47,952 INFO L85 PathProgramCache]: Analyzing trace with hash -922675071, now seen corresponding path program 3 times [2025-01-10 01:31:47,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:47,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666965163] [2025-01-10 01:31:47,952 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:47,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:47,958 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 245 statements into 9 equivalence classes. [2025-01-10 01:31:47,984 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 206 of 245 statements. [2025-01-10 01:31:47,984 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:31:47,984 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2025-01-10 01:31:48,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:48,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666965163] [2025-01-10 01:31:48,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666965163] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:48,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454950109] [2025-01-10 01:31:48,101 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:31:48,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:48,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:48,105 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) [2025-01-10 01:31:48,112 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 [2025-01-10 01:31:48,144 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 245 statements into 9 equivalence classes. [2025-01-10 01:31:48,184 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 206 of 245 statements. [2025-01-10 01:31:48,184 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:31:48,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:48,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:31:48,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 298 proven. 12 refuted. 0 times theorem prover too weak. 1286 trivial. 0 not checked. [2025-01-10 01:31:48,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 312 proven. 12 refuted. 0 times theorem prover too weak. 1272 trivial. 0 not checked. [2025-01-10 01:31:48,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454950109] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:48,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:48,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 11 [2025-01-10 01:31:48,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699355155] [2025-01-10 01:31:48,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:48,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:31:48,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:48,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:31:48,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:31:48,561 INFO L87 Difference]: Start difference. First operand 1030 states and 1309 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 01:31:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:48,656 INFO L93 Difference]: Finished difference Result 1308 states and 1872 transitions. [2025-01-10 01:31:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:31:48,656 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) Word has length 245 [2025-01-10 01:31:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:48,661 INFO L225 Difference]: With dead ends: 1308 [2025-01-10 01:31:48,661 INFO L226 Difference]: Without dead ends: 1307 [2025-01-10 01:31:48,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 482 SyntacticMatches, 9 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:31:48,662 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 6 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:48,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 220 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:31:48,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2025-01-10 01:31:48,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 1154. [2025-01-10 01:31:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 932 states have (on average 1.159871244635193) internal successors, (1081), 916 states have internal predecessors, (1081), 175 states have call successors, (175), 29 states have call predecessors, (175), 43 states have return successors, (277), 208 states have call predecessors, (277), 175 states have call successors, (277) [2025-01-10 01:31:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1533 transitions. [2025-01-10 01:31:48,709 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1533 transitions. Word has length 245 [2025-01-10 01:31:48,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:48,710 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1533 transitions. [2025-01-10 01:31:48,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (11), 8 states have call predecessors, (11), 3 states have call successors, (11) [2025-01-10 01:31:48,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1533 transitions. [2025-01-10 01:31:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2025-01-10 01:31:48,711 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:48,711 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 23, 23, 23, 22, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:48,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-10 01:31:48,912 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,SelfDestructingSolverStorable33 [2025-01-10 01:31:48,912 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:48,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:48,913 INFO L85 PathProgramCache]: Analyzing trace with hash 66407238, now seen corresponding path program 4 times [2025-01-10 01:31:48,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:48,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216792737] [2025-01-10 01:31:48,913 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:31:48,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:48,922 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 212 statements into 2 equivalence classes. [2025-01-10 01:31:48,935 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 212 of 212 statements. [2025-01-10 01:31:48,935 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:31:48,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-10 01:31:49,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:49,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216792737] [2025-01-10 01:31:49,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216792737] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:49,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885760094] [2025-01-10 01:31:49,838 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:31:49,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:49,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:49,840 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) [2025-01-10 01:31:49,841 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 [2025-01-10 01:31:49,885 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 212 statements into 2 equivalence classes. [2025-01-10 01:31:49,936 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 212 of 212 statements. [2025-01-10 01:31:49,936 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:31:49,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:49,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-10 01:31:49,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-10 01:31:50,072 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:51,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-10 01:31:51,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885760094] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:51,669 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:51,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2025-01-10 01:31:51,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258373917] [2025-01-10 01:31:51,669 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:51,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2025-01-10 01:31:51,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:51,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2025-01-10 01:31:51,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2025-01-10 01:31:51,674 INFO L87 Difference]: Start difference. First operand 1154 states and 1533 transitions. Second operand has 94 states, 93 states have (on average 2.075268817204301) internal successors, (193), 94 states have internal predecessors, (193), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 01:31:51,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:51,992 INFO L93 Difference]: Finished difference Result 1755 states and 2493 transitions. [2025-01-10 01:31:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-10 01:31:51,993 INFO L78 Accepts]: Start accepts. Automaton has has 94 states, 93 states have (on average 2.075268817204301) internal successors, (193), 94 states have internal predecessors, (193), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Word has length 212 [2025-01-10 01:31:51,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:51,999 INFO L225 Difference]: With dead ends: 1755 [2025-01-10 01:31:51,999 INFO L226 Difference]: Without dead ends: 1754 [2025-01-10 01:31:52,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 469 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2255, Invalid=6487, Unknown=0, NotChecked=0, Total=8742 [2025-01-10 01:31:52,001 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 0 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:52,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2025-01-10 01:31:52,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 1754. [2025-01-10 01:31:52,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1754 states, 1412 states have (on average 1.1905099150141643) internal successors, (1681), 1396 states have internal predecessors, (1681), 295 states have call successors, (295), 29 states have call predecessors, (295), 43 states have return successors, (397), 328 states have call predecessors, (397), 295 states have call successors, (397) [2025-01-10 01:31:52,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2373 transitions. [2025-01-10 01:31:52,075 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2373 transitions. Word has length 212 [2025-01-10 01:31:52,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:52,076 INFO L471 AbstractCegarLoop]: Abstraction has 1754 states and 2373 transitions. [2025-01-10 01:31:52,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 93 states have (on average 2.075268817204301) internal successors, (193), 94 states have internal predecessors, (193), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 01:31:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2373 transitions. [2025-01-10 01:31:52,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2025-01-10 01:31:52,082 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:52,082 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 18, 11, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2025-01-10 01:31:52,098 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 01:31:52,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-01-10 01:31:52,286 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:52,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1425545894, now seen corresponding path program 1 times [2025-01-10 01:31:52,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:52,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604239590] [2025-01-10 01:31:52,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:52,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:52,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-01-10 01:31:52,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-01-10 01:31:52,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:52,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 171 proven. 34 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2025-01-10 01:31:52,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:52,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604239590] [2025-01-10 01:31:52,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604239590] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372368617] [2025-01-10 01:31:52,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:31:52,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:52,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:52,446 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) [2025-01-10 01:31:52,448 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 [2025-01-10 01:31:52,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-01-10 01:31:52,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-01-10 01:31:52,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:31:52,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:52,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:31:52,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 716 proven. 32 refuted. 0 times theorem prover too weak. 1055 trivial. 0 not checked. [2025-01-10 01:31:52,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:52,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1803 backedges. 171 proven. 34 refuted. 0 times theorem prover too weak. 1598 trivial. 0 not checked. [2025-01-10 01:31:52,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372368617] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:52,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:52,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 21 [2025-01-10 01:31:52,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625625925] [2025-01-10 01:31:52,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:52,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 01:31:52,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:52,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 01:31:52,874 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=347, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:31:52,874 INFO L87 Difference]: Start difference. First operand 1754 states and 2373 transitions. Second operand has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 8 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 01:31:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:53,047 INFO L93 Difference]: Finished difference Result 1863 states and 2488 transitions. [2025-01-10 01:31:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-10 01:31:53,048 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 8 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) Word has length 265 [2025-01-10 01:31:53,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:53,054 INFO L225 Difference]: With dead ends: 1863 [2025-01-10 01:31:53,054 INFO L226 Difference]: Without dead ends: 1741 [2025-01-10 01:31:53,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 511 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=527, Unknown=0, NotChecked=0, Total=650 [2025-01-10 01:31:53,055 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:53,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 376 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:53,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1741 states. [2025-01-10 01:31:53,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1741 to 1740. [2025-01-10 01:31:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1740 states, 1400 states have (on average 1.1914285714285715) internal successors, (1668), 1384 states have internal predecessors, (1668), 293 states have call successors, (293), 29 states have call predecessors, (293), 43 states have return successors, (395), 326 states have call predecessors, (395), 293 states have call successors, (395) [2025-01-10 01:31:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1740 states and 2356 transitions. [2025-01-10 01:31:53,188 INFO L78 Accepts]: Start accepts. Automaton has 1740 states and 2356 transitions. Word has length 265 [2025-01-10 01:31:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:53,188 INFO L471 AbstractCegarLoop]: Abstraction has 1740 states and 2356 transitions. [2025-01-10 01:31:53,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 21 states have internal predecessors, (85), 8 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 8 states have call predecessors, (12), 8 states have call successors, (12) [2025-01-10 01:31:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2356 transitions. [2025-01-10 01:31:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-01-10 01:31:53,190 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:53,190 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 18, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 4, 1, 1, 1, 1, 1] [2025-01-10 01:31:53,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 01:31:53,390 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,SelfDestructingSolverStorable35 [2025-01-10 01:31:53,391 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:53,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash 703671493, now seen corresponding path program 2 times [2025-01-10 01:31:53,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:53,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307415636] [2025-01-10 01:31:53,391 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:53,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:53,397 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 274 statements into 2 equivalence classes. [2025-01-10 01:31:53,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 274 of 274 statements. [2025-01-10 01:31:53,407 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:53,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 158 proven. 138 refuted. 0 times theorem prover too weak. 1658 trivial. 0 not checked. [2025-01-10 01:31:53,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:53,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307415636] [2025-01-10 01:31:53,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307415636] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:53,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054055578] [2025-01-10 01:31:53,524 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:53,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:53,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:53,526 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) [2025-01-10 01:31:53,530 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 [2025-01-10 01:31:53,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 274 statements into 2 equivalence classes. [2025-01-10 01:31:53,641 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 274 of 274 statements. [2025-01-10 01:31:53,642 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:53,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:53,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:31:53,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 4 proven. 245 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2025-01-10 01:31:53,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 4 proven. 245 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2025-01-10 01:31:54,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054055578] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:54,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:54,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2025-01-10 01:31:54,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638944006] [2025-01-10 01:31:54,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:54,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-10 01:31:54,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:54,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-10 01:31:54,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=501, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:31:54,069 INFO L87 Difference]: Start difference. First operand 1740 states and 2356 transitions. Second operand has 25 states, 24 states have (on average 4.333333333333333) internal successors, (104), 25 states have internal predecessors, (104), 13 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-01-10 01:31:54,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:54,930 INFO L93 Difference]: Finished difference Result 2719 states and 3710 transitions. [2025-01-10 01:31:54,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-01-10 01:31:54,935 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.333333333333333) internal successors, (104), 25 states have internal predecessors, (104), 13 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) Word has length 274 [2025-01-10 01:31:54,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:54,949 INFO L225 Difference]: With dead ends: 2719 [2025-01-10 01:31:54,949 INFO L226 Difference]: Without dead ends: 2657 [2025-01-10 01:31:54,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 532 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2560 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1163, Invalid=7027, Unknown=0, NotChecked=0, Total=8190 [2025-01-10 01:31:54,953 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 9 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:54,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 426 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:31:54,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2025-01-10 01:31:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 800. [2025-01-10 01:31:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 644 states have (on average 1.1319875776397517) internal successors, (729), 629 states have internal predecessors, (729), 110 states have call successors, (110), 29 states have call predecessors, (110), 43 states have return successors, (212), 141 states have call predecessors, (212), 110 states have call successors, (212) [2025-01-10 01:31:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1051 transitions. [2025-01-10 01:31:55,073 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1051 transitions. Word has length 274 [2025-01-10 01:31:55,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:55,074 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1051 transitions. [2025-01-10 01:31:55,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.333333333333333) internal successors, (104), 25 states have internal predecessors, (104), 13 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2025-01-10 01:31:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1051 transitions. [2025-01-10 01:31:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-01-10 01:31:55,075 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:55,076 INFO L218 NwaCegarLoop]: trace histogram [28, 26, 19, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:31:55,081 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 [2025-01-10 01:31:55,276 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,SelfDestructingSolverStorable36 [2025-01-10 01:31:55,277 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:55,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:55,277 INFO L85 PathProgramCache]: Analyzing trace with hash 428625607, now seen corresponding path program 2 times [2025-01-10 01:31:55,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:55,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146410892] [2025-01-10 01:31:55,278 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:55,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:55,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 280 statements into 2 equivalence classes. [2025-01-10 01:31:55,302 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 280 of 280 statements. [2025-01-10 01:31:55,303 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:55,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 336 proven. 214 refuted. 0 times theorem prover too weak. 1581 trivial. 0 not checked. [2025-01-10 01:31:55,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:55,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146410892] [2025-01-10 01:31:55,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146410892] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:55,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198772574] [2025-01-10 01:31:55,522 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:31:55,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:55,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:55,525 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) [2025-01-10 01:31:55,528 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 [2025-01-10 01:31:55,566 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 280 statements into 2 equivalence classes. [2025-01-10 01:31:55,622 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 280 of 280 statements. [2025-01-10 01:31:55,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:31:55,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:55,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:31:55,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 174 proven. 56 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked. [2025-01-10 01:31:55,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2131 backedges. 172 proven. 54 refuted. 0 times theorem prover too weak. 1905 trivial. 0 not checked. [2025-01-10 01:31:55,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1198772574] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:55,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:55,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 5] total 24 [2025-01-10 01:31:55,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098121652] [2025-01-10 01:31:55,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:55,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 01:31:55,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:55,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 01:31:55,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:31:55,974 INFO L87 Difference]: Start difference. First operand 800 states and 1051 transitions. Second operand has 24 states, 24 states have (on average 4.416666666666667) internal successors, (106), 22 states have internal predecessors, (106), 10 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 10 states have call successors, (19) [2025-01-10 01:31:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:56,801 INFO L93 Difference]: Finished difference Result 1638 states and 2279 transitions. [2025-01-10 01:31:56,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-10 01:31:56,801 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 4.416666666666667) internal successors, (106), 22 states have internal predecessors, (106), 10 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 10 states have call successors, (19) Word has length 280 [2025-01-10 01:31:56,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:56,808 INFO L225 Difference]: With dead ends: 1638 [2025-01-10 01:31:56,808 INFO L226 Difference]: Without dead ends: 1199 [2025-01-10 01:31:56,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 552 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=415, Invalid=2665, Unknown=0, NotChecked=0, Total=3080 [2025-01-10 01:31:56,812 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 162 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:56,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 318 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:31:56,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2025-01-10 01:31:56,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1052. [2025-01-10 01:31:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 843 states have (on average 1.1079478054567022) internal successors, (934), 833 states have internal predecessors, (934), 145 states have call successors, (145), 38 states have call predecessors, (145), 61 states have return successors, (261), 180 states have call predecessors, (261), 145 states have call successors, (261) [2025-01-10 01:31:56,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1340 transitions. [2025-01-10 01:31:56,939 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1340 transitions. Word has length 280 [2025-01-10 01:31:56,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:56,939 INFO L471 AbstractCegarLoop]: Abstraction has 1052 states and 1340 transitions. [2025-01-10 01:31:56,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.416666666666667) internal successors, (106), 22 states have internal predecessors, (106), 10 states have call successors, (17), 3 states have call predecessors, (17), 4 states have return successors, (19), 13 states have call predecessors, (19), 10 states have call successors, (19) [2025-01-10 01:31:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1340 transitions. [2025-01-10 01:31:56,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-01-10 01:31:56,942 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:56,942 INFO L218 NwaCegarLoop]: trace histogram [29, 28, 19, 11, 11, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:31:56,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-10 01:31:57,143 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,SelfDestructingSolverStorable37 [2025-01-10 01:31:57,143 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:57,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:57,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1575247528, now seen corresponding path program 4 times [2025-01-10 01:31:57,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:57,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350373933] [2025-01-10 01:31:57,144 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:31:57,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:57,153 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 292 statements into 2 equivalence classes. [2025-01-10 01:31:57,161 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 189 of 292 statements. [2025-01-10 01:31:57,162 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 01:31:57,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:57,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 552 proven. 300 refuted. 0 times theorem prover too weak. 1487 trivial. 0 not checked. [2025-01-10 01:31:57,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:57,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350373933] [2025-01-10 01:31:57,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350373933] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:57,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422184998] [2025-01-10 01:31:57,380 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:31:57,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:57,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:57,382 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) [2025-01-10 01:31:57,385 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 [2025-01-10 01:31:57,423 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 292 statements into 2 equivalence classes. [2025-01-10 01:31:57,456 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 189 of 292 statements. [2025-01-10 01:31:57,457 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 01:31:57,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:57,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 01:31:57,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:57,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 1319 proven. 70 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2025-01-10 01:31:57,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:57,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 552 proven. 302 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2025-01-10 01:31:57,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422184998] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:57,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:57,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 15] total 21 [2025-01-10 01:31:57,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53745696] [2025-01-10 01:31:57,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:57,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 01:31:57,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:57,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 01:31:57,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:31:57,880 INFO L87 Difference]: Start difference. First operand 1052 states and 1340 transitions. Second operand has 21 states, 21 states have (on average 5.9523809523809526) internal successors, (125), 21 states have internal predecessors, (125), 12 states have call successors, (21), 2 states have call predecessors, (21), 7 states have return successors, (21), 8 states have call predecessors, (21), 12 states have call successors, (21) [2025-01-10 01:31:58,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:58,302 INFO L93 Difference]: Finished difference Result 1883 states and 2466 transitions. [2025-01-10 01:31:58,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 01:31:58,302 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 5.9523809523809526) internal successors, (125), 21 states have internal predecessors, (125), 12 states have call successors, (21), 2 states have call predecessors, (21), 7 states have return successors, (21), 8 states have call predecessors, (21), 12 states have call successors, (21) Word has length 292 [2025-01-10 01:31:58,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:58,307 INFO L225 Difference]: With dead ends: 1883 [2025-01-10 01:31:58,307 INFO L226 Difference]: Without dead ends: 1246 [2025-01-10 01:31:58,309 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 574 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=280, Invalid=910, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:31:58,310 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 134 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:58,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 334 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:58,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2025-01-10 01:31:58,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1113. [2025-01-10 01:31:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1113 states, 890 states have (on average 1.1056179775280899) internal successors, (984), 881 states have internal predecessors, (984), 154 states have call successors, (154), 42 states have call predecessors, (154), 66 states have return successors, (285), 189 states have call predecessors, (285), 154 states have call successors, (285) [2025-01-10 01:31:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 1113 states and 1423 transitions. [2025-01-10 01:31:58,392 INFO L78 Accepts]: Start accepts. Automaton has 1113 states and 1423 transitions. Word has length 292 [2025-01-10 01:31:58,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:58,392 INFO L471 AbstractCegarLoop]: Abstraction has 1113 states and 1423 transitions. [2025-01-10 01:31:58,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 5.9523809523809526) internal successors, (125), 21 states have internal predecessors, (125), 12 states have call successors, (21), 2 states have call predecessors, (21), 7 states have return successors, (21), 8 states have call predecessors, (21), 12 states have call successors, (21) [2025-01-10 01:31:58,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 1423 transitions. [2025-01-10 01:31:58,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2025-01-10 01:31:58,399 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:58,399 INFO L218 NwaCegarLoop]: trace histogram [32, 31, 22, 12, 11, 11, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:31:58,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-01-10 01:31:58,599 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,SelfDestructingSolverStorable38 [2025-01-10 01:31:58,600 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:31:58,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:31:58,601 INFO L85 PathProgramCache]: Analyzing trace with hash -388773571, now seen corresponding path program 5 times [2025-01-10 01:31:58,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:31:58,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757965346] [2025-01-10 01:31:58,601 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:31:58,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:31:58,610 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 321 statements into 12 equivalence classes. [2025-01-10 01:31:58,624 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 187 of 321 statements. [2025-01-10 01:31:58,624 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-10 01:31:58,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:58,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2858 backedges. 534 proven. 97 refuted. 0 times theorem prover too weak. 2227 trivial. 0 not checked. [2025-01-10 01:31:58,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:31:58,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757965346] [2025-01-10 01:31:58,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757965346] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:31:58,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10996378] [2025-01-10 01:31:58,769 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:31:58,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:31:58,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:31:58,771 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) [2025-01-10 01:31:58,775 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 [2025-01-10 01:31:58,817 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 321 statements into 12 equivalence classes. [2025-01-10 01:31:58,851 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 187 of 321 statements. [2025-01-10 01:31:58,851 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-01-10 01:31:58,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:31:58,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:31:58,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:31:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2858 backedges. 531 proven. 100 refuted. 0 times theorem prover too weak. 2227 trivial. 0 not checked. [2025-01-10 01:31:58,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:31:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2858 backedges. 531 proven. 101 refuted. 0 times theorem prover too weak. 2226 trivial. 0 not checked. [2025-01-10 01:31:59,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10996378] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:31:59,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:31:59,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 20 [2025-01-10 01:31:59,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199287826] [2025-01-10 01:31:59,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:31:59,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 01:31:59,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:31:59,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 01:31:59,341 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:31:59,344 INFO L87 Difference]: Start difference. First operand 1113 states and 1423 transitions. Second operand has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 12 states have call successors, (15), 1 states have call predecessors, (15), 5 states have return successors, (16), 6 states have call predecessors, (16), 12 states have call successors, (16) [2025-01-10 01:31:59,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:31:59,719 INFO L93 Difference]: Finished difference Result 2256 states and 3209 transitions. [2025-01-10 01:31:59,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 01:31:59,722 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 12 states have call successors, (15), 1 states have call predecessors, (15), 5 states have return successors, (16), 6 states have call predecessors, (16), 12 states have call successors, (16) Word has length 321 [2025-01-10 01:31:59,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:31:59,727 INFO L225 Difference]: With dead ends: 2256 [2025-01-10 01:31:59,727 INFO L226 Difference]: Without dead ends: 1549 [2025-01-10 01:31:59,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 665 GetRequests, 633 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=241, Invalid=571, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:31:59,729 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 121 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:31:59,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 271 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:31:59,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2025-01-10 01:31:59,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1249. [2025-01-10 01:31:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 1000 states have (on average 1.098) internal successors, (1098), 984 states have internal predecessors, (1098), 163 states have call successors, (163), 45 states have call predecessors, (163), 83 states have return successors, (410), 219 states have call predecessors, (410), 163 states have call successors, (410) [2025-01-10 01:31:59,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1671 transitions. [2025-01-10 01:31:59,808 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1671 transitions. Word has length 321 [2025-01-10 01:31:59,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:31:59,809 INFO L471 AbstractCegarLoop]: Abstraction has 1249 states and 1671 transitions. [2025-01-10 01:31:59,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.0) internal successors, (100), 20 states have internal predecessors, (100), 12 states have call successors, (15), 1 states have call predecessors, (15), 5 states have return successors, (16), 6 states have call predecessors, (16), 12 states have call successors, (16) [2025-01-10 01:31:59,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1671 transitions. [2025-01-10 01:31:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2025-01-10 01:31:59,812 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:31:59,813 INFO L218 NwaCegarLoop]: trace histogram [35, 30, 24, 15, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:31:59,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:00,017 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 [2025-01-10 01:32:00,017 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:00,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:00,018 INFO L85 PathProgramCache]: Analyzing trace with hash -982770230, now seen corresponding path program 6 times [2025-01-10 01:32:00,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:00,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762366944] [2025-01-10 01:32:00,018 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:00,032 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 334 statements into 12 equivalence classes. [2025-01-10 01:32:00,087 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 254 of 334 statements. [2025-01-10 01:32:00,090 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-10 01:32:00,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 537 proven. 21 refuted. 0 times theorem prover too weak. 2558 trivial. 0 not checked. [2025-01-10 01:32:00,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:00,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762366944] [2025-01-10 01:32:00,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762366944] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:00,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215070706] [2025-01-10 01:32:00,242 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:00,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:00,245 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) [2025-01-10 01:32:00,246 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 [2025-01-10 01:32:00,290 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 334 statements into 12 equivalence classes. [2025-01-10 01:32:00,337 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 254 of 334 statements. [2025-01-10 01:32:00,337 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-10 01:32:00,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:00,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:32:00,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 628 proven. 28 refuted. 0 times theorem prover too weak. 2460 trivial. 0 not checked. [2025-01-10 01:32:00,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3116 backedges. 629 proven. 27 refuted. 0 times theorem prover too weak. 2460 trivial. 0 not checked. [2025-01-10 01:32:00,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215070706] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:00,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:00,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 16 [2025-01-10 01:32:00,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211505245] [2025-01-10 01:32:00,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:00,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:32:00,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:00,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:32:00,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:32:00,796 INFO L87 Difference]: Start difference. First operand 1249 states and 1671 transitions. Second operand has 16 states, 14 states have (on average 6.357142857142857) internal successors, (89), 16 states have internal predecessors, (89), 7 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2025-01-10 01:32:01,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:01,112 INFO L93 Difference]: Finished difference Result 2069 states and 2925 transitions. [2025-01-10 01:32:01,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:32:01,113 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 6.357142857142857) internal successors, (89), 16 states have internal predecessors, (89), 7 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 334 [2025-01-10 01:32:01,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:01,119 INFO L225 Difference]: With dead ends: 2069 [2025-01-10 01:32:01,119 INFO L226 Difference]: Without dead ends: 1241 [2025-01-10 01:32:01,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 686 GetRequests, 660 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:32:01,122 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 102 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:01,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 236 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:01,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2025-01-10 01:32:01,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1176. [2025-01-10 01:32:01,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 939 states have (on average 1.1033013844515442) internal successors, (1036), 930 states have internal predecessors, (1036), 158 states have call successors, (158), 45 states have call predecessors, (158), 76 states have return successors, (369), 200 states have call predecessors, (369), 156 states have call successors, (369) [2025-01-10 01:32:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1563 transitions. [2025-01-10 01:32:01,231 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1563 transitions. Word has length 334 [2025-01-10 01:32:01,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:01,232 INFO L471 AbstractCegarLoop]: Abstraction has 1176 states and 1563 transitions. [2025-01-10 01:32:01,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 6.357142857142857) internal successors, (89), 16 states have internal predecessors, (89), 7 states have call successors, (13), 1 states have call predecessors, (13), 5 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2025-01-10 01:32:01,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1563 transitions. [2025-01-10 01:32:01,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2025-01-10 01:32:01,235 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:01,235 INFO L218 NwaCegarLoop]: trace histogram [39, 32, 28, 18, 14, 14, 14, 14, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:01,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:01,436 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 [2025-01-10 01:32:01,436 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:01,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:01,437 INFO L85 PathProgramCache]: Analyzing trace with hash -577441135, now seen corresponding path program 3 times [2025-01-10 01:32:01,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:01,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368369785] [2025-01-10 01:32:01,437 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:01,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:01,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 366 statements into 15 equivalence classes. [2025-01-10 01:32:01,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 213 of 366 statements. [2025-01-10 01:32:01,465 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:32:01,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:01,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 431 proven. 10 refuted. 0 times theorem prover too weak. 3390 trivial. 0 not checked. [2025-01-10 01:32:01,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:01,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368369785] [2025-01-10 01:32:01,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368369785] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:01,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466070990] [2025-01-10 01:32:01,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:01,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:01,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:01,595 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:01,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 01:32:01,642 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 366 statements into 15 equivalence classes. [2025-01-10 01:32:01,679 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 213 of 366 statements. [2025-01-10 01:32:01,679 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:32:01,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:01,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:32:01,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 431 proven. 10 refuted. 0 times theorem prover too weak. 3390 trivial. 0 not checked. [2025-01-10 01:32:01,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:02,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3831 backedges. 431 proven. 10 refuted. 0 times theorem prover too weak. 3390 trivial. 0 not checked. [2025-01-10 01:32:02,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466070990] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:02,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:02,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2025-01-10 01:32:02,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996232263] [2025-01-10 01:32:02,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:02,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:32:02,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:02,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:32:02,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:32:02,109 INFO L87 Difference]: Start difference. First operand 1176 states and 1563 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (10), 7 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:32:02,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:02,296 INFO L93 Difference]: Finished difference Result 1255 states and 1695 transitions. [2025-01-10 01:32:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:32:02,296 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (10), 7 states have call predecessors, (10), 4 states have call successors, (10) Word has length 366 [2025-01-10 01:32:02,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:02,301 INFO L225 Difference]: With dead ends: 1255 [2025-01-10 01:32:02,301 INFO L226 Difference]: Without dead ends: 1254 [2025-01-10 01:32:02,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 723 SyntacticMatches, 9 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:32:02,302 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 14 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:02,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 196 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:02,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2025-01-10 01:32:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 1182. [2025-01-10 01:32:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1182 states, 943 states have (on average 1.1018027571580065) internal successors, (1039), 936 states have internal predecessors, (1039), 158 states have call successors, (158), 45 states have call predecessors, (158), 78 states have return successors, (393), 200 states have call predecessors, (393), 156 states have call successors, (393) [2025-01-10 01:32:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1590 transitions. [2025-01-10 01:32:02,389 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1590 transitions. Word has length 366 [2025-01-10 01:32:02,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:02,389 INFO L471 AbstractCegarLoop]: Abstraction has 1182 states and 1590 transitions. [2025-01-10 01:32:02,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 4 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (10), 7 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 01:32:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1590 transitions. [2025-01-10 01:32:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2025-01-10 01:32:02,392 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:02,392 INFO L218 NwaCegarLoop]: trace histogram [34, 28, 24, 15, 12, 12, 12, 12, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:02,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:02,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-01-10 01:32:02,596 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:02,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:02,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1862717241, now seen corresponding path program 7 times [2025-01-10 01:32:02,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:02,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128718332] [2025-01-10 01:32:02,597 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:32:02,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:02,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 323 statements into 1 equivalence classes. [2025-01-10 01:32:02,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 323 of 323 statements. [2025-01-10 01:32:02,616 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:02,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 522 proven. 407 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2025-01-10 01:32:02,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:02,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128718332] [2025-01-10 01:32:02,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128718332] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:02,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430969412] [2025-01-10 01:32:02,794 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:32:02,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:02,795 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:02,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 01:32:02,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 323 statements into 1 equivalence classes. [2025-01-10 01:32:02,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 323 of 323 statements. [2025-01-10 01:32:02,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:02,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:02,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:32:02,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 1606 proven. 137 refuted. 0 times theorem prover too weak. 1162 trivial. 0 not checked. [2025-01-10 01:32:02,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 2905 backedges. 522 proven. 407 refuted. 0 times theorem prover too weak. 1976 trivial. 0 not checked. [2025-01-10 01:32:03,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430969412] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:03,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:03,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 17 [2025-01-10 01:32:03,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786816932] [2025-01-10 01:32:03,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:03,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:32:03,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:03,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:32:03,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:32:03,217 INFO L87 Difference]: Start difference. First operand 1182 states and 1590 transitions. Second operand has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 14 states have internal predecessors, (89), 10 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:32:03,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:03,467 INFO L93 Difference]: Finished difference Result 2259 states and 3068 transitions. [2025-01-10 01:32:03,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:32:03,467 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 14 states have internal predecessors, (89), 10 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 323 [2025-01-10 01:32:03,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:03,471 INFO L225 Difference]: With dead ends: 2259 [2025-01-10 01:32:03,471 INFO L226 Difference]: Without dead ends: 1444 [2025-01-10 01:32:03,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 633 SyntacticMatches, 14 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:32:03,474 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 104 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:03,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 254 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:03,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1444 states. [2025-01-10 01:32:03,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1444 to 1438. [2025-01-10 01:32:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1149 states have (on average 1.0905134899912967) internal successors, (1253), 1140 states have internal predecessors, (1253), 180 states have call successors, (180), 69 states have call predecessors, (180), 106 states have return successors, (426), 228 states have call predecessors, (426), 178 states have call successors, (426) [2025-01-10 01:32:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1859 transitions. [2025-01-10 01:32:03,609 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1859 transitions. Word has length 323 [2025-01-10 01:32:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:03,609 INFO L471 AbstractCegarLoop]: Abstraction has 1438 states and 1859 transitions. [2025-01-10 01:32:03,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 14 states have internal predecessors, (89), 10 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2025-01-10 01:32:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1859 transitions. [2025-01-10 01:32:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2025-01-10 01:32:03,615 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:03,616 INFO L218 NwaCegarLoop]: trace histogram [47, 43, 33, 20, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 13, 13, 11, 11, 10, 10, 10, 10, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:03,626 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:03,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:03,816 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:03,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:03,817 INFO L85 PathProgramCache]: Analyzing trace with hash 314256315, now seen corresponding path program 8 times [2025-01-10 01:32:03,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:03,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174413602] [2025-01-10 01:32:03,817 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:03,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:03,829 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 459 statements into 2 equivalence classes. [2025-01-10 01:32:03,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 459 of 459 statements. [2025-01-10 01:32:03,860 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:03,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6081 backedges. 665 proven. 426 refuted. 0 times theorem prover too weak. 4990 trivial. 0 not checked. [2025-01-10 01:32:04,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:04,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174413602] [2025-01-10 01:32:04,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174413602] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:04,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096835807] [2025-01-10 01:32:04,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:04,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:04,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:04,193 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:04,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 01:32:04,304 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 459 statements into 2 equivalence classes. [2025-01-10 01:32:04,410 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 459 of 459 statements. [2025-01-10 01:32:04,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:04,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:04,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 1070 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:32:04,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:04,595 INFO L134 CoverageAnalysis]: Checked inductivity of 6081 backedges. 2236 proven. 86 refuted. 0 times theorem prover too weak. 3759 trivial. 0 not checked. [2025-01-10 01:32:04,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6081 backedges. 665 proven. 426 refuted. 0 times theorem prover too weak. 4990 trivial. 0 not checked. [2025-01-10 01:32:04,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096835807] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:04,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:04,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 24 [2025-01-10 01:32:04,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651878650] [2025-01-10 01:32:04,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:04,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 01:32:04,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:04,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 01:32:04,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:32:04,953 INFO L87 Difference]: Start difference. First operand 1438 states and 1859 transitions. Second operand has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 24 states have internal predecessors, (94), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2025-01-10 01:32:05,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:05,467 INFO L93 Difference]: Finished difference Result 2454 states and 3152 transitions. [2025-01-10 01:32:05,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-10 01:32:05,467 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 24 states have internal predecessors, (94), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 459 [2025-01-10 01:32:05,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:05,477 INFO L225 Difference]: With dead ends: 2454 [2025-01-10 01:32:05,477 INFO L226 Difference]: Without dead ends: 1499 [2025-01-10 01:32:05,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 946 GetRequests, 897 SyntacticMatches, 14 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=1113, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 01:32:05,484 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 3 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:05,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 450 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:05,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2025-01-10 01:32:05,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1489. [2025-01-10 01:32:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1193 states have (on average 1.0871751886001677) internal successors, (1297), 1182 states have internal predecessors, (1297), 187 states have call successors, (187), 69 states have call predecessors, (187), 106 states have return successors, (433), 237 states have call predecessors, (433), 185 states have call successors, (433) [2025-01-10 01:32:05,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 1917 transitions. [2025-01-10 01:32:05,710 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 1917 transitions. Word has length 459 [2025-01-10 01:32:05,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:05,710 INFO L471 AbstractCegarLoop]: Abstraction has 1489 states and 1917 transitions. [2025-01-10 01:32:05,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 24 states have internal predecessors, (94), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2025-01-10 01:32:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1917 transitions. [2025-01-10 01:32:05,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2025-01-10 01:32:05,714 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:05,714 INFO L218 NwaCegarLoop]: trace histogram [41, 39, 28, 16, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:05,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:05,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-01-10 01:32:05,917 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:05,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:05,917 INFO L85 PathProgramCache]: Analyzing trace with hash 633801158, now seen corresponding path program 9 times [2025-01-10 01:32:05,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:05,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868950719] [2025-01-10 01:32:05,917 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:05,928 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 407 statements into 12 equivalence classes. [2025-01-10 01:32:05,970 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 273 of 407 statements. [2025-01-10 01:32:05,974 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:32:05,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:06,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4697 backedges. 699 proven. 561 refuted. 0 times theorem prover too weak. 3437 trivial. 0 not checked. [2025-01-10 01:32:06,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:06,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868950719] [2025-01-10 01:32:06,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868950719] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:06,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972337129] [2025-01-10 01:32:06,414 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:06,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:06,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:06,420 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:06,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 01:32:06,472 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 407 statements into 12 equivalence classes. [2025-01-10 01:32:06,520 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 273 of 407 statements. [2025-01-10 01:32:06,520 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-10 01:32:06,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:06,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:32:06,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 4697 backedges. 2261 proven. 241 refuted. 0 times theorem prover too weak. 2195 trivial. 0 not checked. [2025-01-10 01:32:06,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:07,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4697 backedges. 668 proven. 492 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2025-01-10 01:32:07,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972337129] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:07,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:07,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 19, 20] total 36 [2025-01-10 01:32:07,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406075103] [2025-01-10 01:32:07,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-10 01:32:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-10 01:32:07,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1120, Unknown=0, NotChecked=0, Total=1260 [2025-01-10 01:32:07,364 INFO L87 Difference]: Start difference. First operand 1489 states and 1917 transitions. Second operand has 36 states, 36 states have (on average 4.0) internal successors, (144), 34 states have internal predecessors, (144), 16 states have call successors, (26), 4 states have call predecessors, (26), 6 states have return successors, (25), 14 states have call predecessors, (25), 14 states have call successors, (25) [2025-01-10 01:32:08,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:08,276 INFO L93 Difference]: Finished difference Result 2557 states and 3499 transitions. [2025-01-10 01:32:08,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-10 01:32:08,276 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 4.0) internal successors, (144), 34 states have internal predecessors, (144), 16 states have call successors, (26), 4 states have call predecessors, (26), 6 states have return successors, (25), 14 states have call predecessors, (25), 14 states have call successors, (25) Word has length 407 [2025-01-10 01:32:08,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:08,281 INFO L225 Difference]: With dead ends: 2557 [2025-01-10 01:32:08,281 INFO L226 Difference]: Without dead ends: 1571 [2025-01-10 01:32:08,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 873 GetRequests, 788 SyntacticMatches, 15 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1627 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=586, Invalid=4526, Unknown=0, NotChecked=0, Total=5112 [2025-01-10 01:32:08,285 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 211 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 979 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:08,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 320 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 979 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:32:08,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2025-01-10 01:32:08,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1479. [2025-01-10 01:32:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 1188 states have (on average 1.0841750841750841) internal successors, (1288), 1171 states have internal predecessors, (1288), 187 states have call successors, (187), 74 states have call predecessors, (187), 101 states have return successors, (333), 233 states have call predecessors, (333), 185 states have call successors, (333) [2025-01-10 01:32:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 1808 transitions. [2025-01-10 01:32:08,446 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 1808 transitions. Word has length 407 [2025-01-10 01:32:08,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:08,447 INFO L471 AbstractCegarLoop]: Abstraction has 1479 states and 1808 transitions. [2025-01-10 01:32:08,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.0) internal successors, (144), 34 states have internal predecessors, (144), 16 states have call successors, (26), 4 states have call predecessors, (26), 6 states have return successors, (25), 14 states have call predecessors, (25), 14 states have call successors, (25) [2025-01-10 01:32:08,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1808 transitions. [2025-01-10 01:32:08,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2025-01-10 01:32:08,449 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:08,449 INFO L218 NwaCegarLoop]: trace histogram [46, 42, 33, 20, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 12, 11, 11, 10, 10, 10, 10, 5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:08,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:08,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:08,652 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:08,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:08,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1294747032, now seen corresponding path program 10 times [2025-01-10 01:32:08,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:08,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989248502] [2025-01-10 01:32:08,653 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:08,662 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 447 statements into 2 equivalence classes. [2025-01-10 01:32:08,674 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 292 of 447 statements. [2025-01-10 01:32:08,674 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 01:32:08,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5768 backedges. 1055 proven. 830 refuted. 0 times theorem prover too weak. 3883 trivial. 0 not checked. [2025-01-10 01:32:08,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989248502] [2025-01-10 01:32:08,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989248502] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:08,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726245678] [2025-01-10 01:32:08,979 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:08,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:08,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:08,981 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:08,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 01:32:09,041 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 447 statements into 2 equivalence classes. [2025-01-10 01:32:09,093 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 292 of 447 statements. [2025-01-10 01:32:09,093 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 01:32:09,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:09,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 01:32:09,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 5768 backedges. 2832 proven. 411 refuted. 0 times theorem prover too weak. 2525 trivial. 0 not checked. [2025-01-10 01:32:09,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 5768 backedges. 1055 proven. 831 refuted. 0 times theorem prover too weak. 3882 trivial. 0 not checked. [2025-01-10 01:32:10,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726245678] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:10,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:10,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 20] total 30 [2025-01-10 01:32:10,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187730407] [2025-01-10 01:32:10,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:10,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-01-10 01:32:10,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:10,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-01-10 01:32:10,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=766, Unknown=0, NotChecked=0, Total=870 [2025-01-10 01:32:10,058 INFO L87 Difference]: Start difference. First operand 1479 states and 1808 transitions. Second operand has 30 states, 30 states have (on average 4.933333333333334) internal successors, (148), 28 states have internal predecessors, (148), 16 states have call successors, (25), 5 states have call predecessors, (25), 8 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) [2025-01-10 01:32:11,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:11,829 INFO L93 Difference]: Finished difference Result 3413 states and 4536 transitions. [2025-01-10 01:32:11,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-10 01:32:11,829 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 4.933333333333334) internal successors, (148), 28 states have internal predecessors, (148), 16 states have call successors, (25), 5 states have call predecessors, (25), 8 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) Word has length 447 [2025-01-10 01:32:11,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:11,838 INFO L225 Difference]: With dead ends: 3413 [2025-01-10 01:32:11,839 INFO L226 Difference]: Without dead ends: 2474 [2025-01-10 01:32:11,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 973 GetRequests, 884 SyntacticMatches, 12 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1250, Invalid=4912, Unknown=0, NotChecked=0, Total=6162 [2025-01-10 01:32:11,842 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 697 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 1179 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 1179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:11,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 603 Invalid, 1598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 1179 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:32:11,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2474 states. [2025-01-10 01:32:12,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2474 to 2189. [2025-01-10 01:32:12,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2189 states, 1753 states have (on average 1.081003993154592) internal successors, (1895), 1733 states have internal predecessors, (1895), 279 states have call successors, (279), 111 states have call predecessors, (279), 154 states have return successors, (567), 344 states have call predecessors, (567), 277 states have call successors, (567) [2025-01-10 01:32:12,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 2741 transitions. [2025-01-10 01:32:12,077 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 2741 transitions. Word has length 447 [2025-01-10 01:32:12,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:12,078 INFO L471 AbstractCegarLoop]: Abstraction has 2189 states and 2741 transitions. [2025-01-10 01:32:12,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 4.933333333333334) internal successors, (148), 28 states have internal predecessors, (148), 16 states have call successors, (25), 5 states have call predecessors, (25), 8 states have return successors, (24), 11 states have call predecessors, (24), 15 states have call successors, (24) [2025-01-10 01:32:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 2741 transitions. [2025-01-10 01:32:12,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2025-01-10 01:32:12,082 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:12,082 INFO L218 NwaCegarLoop]: trace histogram [52, 51, 38, 21, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 14, 14, 14, 13, 13, 13, 13, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:12,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:12,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:12,283 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:12,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:12,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1826041424, now seen corresponding path program 11 times [2025-01-10 01:32:12,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:12,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127021680] [2025-01-10 01:32:12,284 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:12,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:12,297 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 527 statements into 17 equivalence classes. [2025-01-10 01:32:12,396 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 512 of 527 statements. [2025-01-10 01:32:12,396 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-10 01:32:12,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 549 proven. 466 refuted. 0 times theorem prover too weak. 6945 trivial. 0 not checked. [2025-01-10 01:32:12,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:12,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127021680] [2025-01-10 01:32:12,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127021680] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:12,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019342679] [2025-01-10 01:32:12,834 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:12,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:12,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:12,840 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:12,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-01-10 01:32:12,900 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 527 statements into 17 equivalence classes. [2025-01-10 01:32:13,002 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 512 of 527 statements. [2025-01-10 01:32:13,002 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-10 01:32:13,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:13,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 1192 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:32:13,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 2607 proven. 70 refuted. 0 times theorem prover too weak. 5283 trivial. 0 not checked. [2025-01-10 01:32:13,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 7960 backedges. 546 proven. 116 refuted. 0 times theorem prover too weak. 7298 trivial. 0 not checked. [2025-01-10 01:32:13,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019342679] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:13,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:13,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 27 [2025-01-10 01:32:13,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826774275] [2025-01-10 01:32:13,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:13,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-10 01:32:13,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:13,654 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 01:32:13,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2025-01-10 01:32:13,655 INFO L87 Difference]: Start difference. First operand 2189 states and 2741 transitions. Second operand has 27 states, 27 states have (on average 4.037037037037037) internal successors, (109), 27 states have internal predecessors, (109), 13 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (23), 14 states have call predecessors, (23), 13 states have call successors, (23) [2025-01-10 01:32:14,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:14,132 INFO L93 Difference]: Finished difference Result 3476 states and 4293 transitions. [2025-01-10 01:32:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 01:32:14,132 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.037037037037037) internal successors, (109), 27 states have internal predecessors, (109), 13 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (23), 14 states have call predecessors, (23), 13 states have call successors, (23) Word has length 527 [2025-01-10 01:32:14,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:14,144 INFO L225 Difference]: With dead ends: 3476 [2025-01-10 01:32:14,144 INFO L226 Difference]: Without dead ends: 1951 [2025-01-10 01:32:14,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1077 GetRequests, 1032 SyntacticMatches, 13 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=950, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 01:32:14,157 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 18 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:14,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 328 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2025-01-10 01:32:14,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1901. [2025-01-10 01:32:14,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1901 states, 1518 states have (on average 1.0816864295125164) internal successors, (1642), 1507 states have internal predecessors, (1642), 240 states have call successors, (240), 98 states have call predecessors, (240), 140 states have return successors, (486), 295 states have call predecessors, (486), 239 states have call successors, (486) [2025-01-10 01:32:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 1901 states and 2368 transitions. [2025-01-10 01:32:14,338 INFO L78 Accepts]: Start accepts. Automaton has 1901 states and 2368 transitions. Word has length 527 [2025-01-10 01:32:14,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:14,339 INFO L471 AbstractCegarLoop]: Abstraction has 1901 states and 2368 transitions. [2025-01-10 01:32:14,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.037037037037037) internal successors, (109), 27 states have internal predecessors, (109), 13 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (23), 14 states have call predecessors, (23), 13 states have call successors, (23) [2025-01-10 01:32:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 2368 transitions. [2025-01-10 01:32:14,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2025-01-10 01:32:14,342 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:14,342 INFO L218 NwaCegarLoop]: trace histogram [40, 39, 29, 15, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 11, 11, 11, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:14,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-01-10 01:32:14,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-01-10 01:32:14,543 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:14,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:14,543 INFO L85 PathProgramCache]: Analyzing trace with hash -683055934, now seen corresponding path program 12 times [2025-01-10 01:32:14,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:14,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176032319] [2025-01-10 01:32:14,543 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:14,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:14,550 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 410 statements into 13 equivalence classes. [2025-01-10 01:32:14,581 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 304 of 410 statements. [2025-01-10 01:32:14,582 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-10 01:32:14,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4683 backedges. 1472 proven. 474 refuted. 0 times theorem prover too weak. 2737 trivial. 0 not checked. [2025-01-10 01:32:15,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:15,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176032319] [2025-01-10 01:32:15,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176032319] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:15,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588932161] [2025-01-10 01:32:15,512 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:15,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:15,514 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:15,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-01-10 01:32:15,582 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 410 statements into 13 equivalence classes. [2025-01-10 01:32:15,655 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 304 of 410 statements. [2025-01-10 01:32:15,655 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-10 01:32:15,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:15,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:32:15,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4683 backedges. 2433 proven. 33 refuted. 0 times theorem prover too weak. 2217 trivial. 0 not checked. [2025-01-10 01:32:15,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:16,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4683 backedges. 838 proven. 317 refuted. 0 times theorem prover too weak. 3528 trivial. 0 not checked. [2025-01-10 01:32:16,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588932161] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:16,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:16,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 17, 18] total 40 [2025-01-10 01:32:16,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525203614] [2025-01-10 01:32:16,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:16,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-01-10 01:32:16,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:16,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-01-10 01:32:16,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1406, Unknown=0, NotChecked=0, Total=1560 [2025-01-10 01:32:16,838 INFO L87 Difference]: Start difference. First operand 1901 states and 2368 transitions. Second operand has 40 states, 40 states have (on average 4.45) internal successors, (178), 40 states have internal predecessors, (178), 22 states have call successors, (30), 2 states have call predecessors, (30), 11 states have return successors, (34), 18 states have call predecessors, (34), 22 states have call successors, (34) [2025-01-10 01:32:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:18,002 INFO L93 Difference]: Finished difference Result 3646 states and 4785 transitions. [2025-01-10 01:32:18,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-10 01:32:18,002 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.45) internal successors, (178), 40 states have internal predecessors, (178), 22 states have call successors, (30), 2 states have call predecessors, (30), 11 states have return successors, (34), 18 states have call predecessors, (34), 22 states have call successors, (34) Word has length 410 [2025-01-10 01:32:18,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:18,009 INFO L225 Difference]: With dead ends: 3646 [2025-01-10 01:32:18,016 INFO L226 Difference]: Without dead ends: 2311 [2025-01-10 01:32:18,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 813 SyntacticMatches, 10 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1635 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=734, Invalid=4816, Unknown=0, NotChecked=0, Total=5550 [2025-01-10 01:32:18,020 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 354 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 1905 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 2113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:18,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 521 Invalid, 2113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1905 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:32:18,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2025-01-10 01:32:18,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 1815. [2025-01-10 01:32:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1815 states, 1451 states have (on average 1.0833907649896624) internal successors, (1572), 1443 states have internal predecessors, (1572), 228 states have call successors, (228), 100 states have call predecessors, (228), 133 states have return successors, (439), 271 states have call predecessors, (439), 227 states have call successors, (439) [2025-01-10 01:32:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2239 transitions. [2025-01-10 01:32:18,287 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2239 transitions. Word has length 410 [2025-01-10 01:32:18,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:18,287 INFO L471 AbstractCegarLoop]: Abstraction has 1815 states and 2239 transitions. [2025-01-10 01:32:18,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.45) internal successors, (178), 40 states have internal predecessors, (178), 22 states have call successors, (30), 2 states have call predecessors, (30), 11 states have return successors, (34), 18 states have call predecessors, (34), 22 states have call successors, (34) [2025-01-10 01:32:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2239 transitions. [2025-01-10 01:32:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2025-01-10 01:32:18,290 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:18,290 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 47, 47, 47, 46, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:18,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-01-10 01:32:18,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-01-10 01:32:18,494 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:18,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:18,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1565083846, now seen corresponding path program 5 times [2025-01-10 01:32:18,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:18,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404569739] [2025-01-10 01:32:18,494 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:18,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:18,504 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 428 statements into 47 equivalence classes. [2025-01-10 01:32:18,558 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 428 of 428 statements. [2025-01-10 01:32:18,558 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 01:32:18,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2025-01-10 01:32:22,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:22,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404569739] [2025-01-10 01:32:22,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404569739] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:22,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205553540] [2025-01-10 01:32:22,073 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:22,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:22,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:22,075 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:22,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-01-10 01:32:22,142 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 428 statements into 47 equivalence classes. [2025-01-10 01:32:22,281 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 428 of 428 statements. [2025-01-10 01:32:22,281 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 01:32:22,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:22,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-01-10 01:32:22,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:22,586 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2025-01-10 01:32:22,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:28,191 INFO L134 CoverageAnalysis]: Checked inductivity of 9729 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2025-01-10 01:32:28,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205553540] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:28,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:28,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2025-01-10 01:32:28,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895218218] [2025-01-10 01:32:28,192 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:28,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2025-01-10 01:32:28,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:28,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2025-01-10 01:32:28,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-01-10 01:32:28,205 INFO L87 Difference]: Start difference. First operand 1815 states and 2239 transitions. Second operand has 190 states, 189 states have (on average 2.037037037037037) internal successors, (385), 190 states have internal predecessors, (385), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 01:32:30,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:30,897 INFO L93 Difference]: Finished difference Result 4779 states and 7612 transitions. [2025-01-10 01:32:30,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-01-10 01:32:30,898 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.037037037037037) internal successors, (385), 190 states have internal predecessors, (385), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Word has length 428 [2025-01-10 01:32:30,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:30,917 INFO L225 Difference]: With dead ends: 4779 [2025-01-10 01:32:30,917 INFO L226 Difference]: Without dead ends: 4778 [2025-01-10 01:32:30,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 949 GetRequests, 761 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-01-10 01:32:30,922 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:30,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 263 Invalid, 506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:32:30,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2025-01-10 01:32:31,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 2055. [2025-01-10 01:32:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2055 states, 1643 states have (on average 1.1028606208155813) internal successors, (1812), 1635 states have internal predecessors, (1812), 276 states have call successors, (276), 100 states have call predecessors, (276), 133 states have return successors, (487), 319 states have call predecessors, (487), 275 states have call successors, (487) [2025-01-10 01:32:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 2055 states and 2575 transitions. [2025-01-10 01:32:31,190 INFO L78 Accepts]: Start accepts. Automaton has 2055 states and 2575 transitions. Word has length 428 [2025-01-10 01:32:31,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:31,190 INFO L471 AbstractCegarLoop]: Abstraction has 2055 states and 2575 transitions. [2025-01-10 01:32:31,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.037037037037037) internal successors, (385), 190 states have internal predecessors, (385), 94 states have call successors, (94), 1 states have call predecessors, (94), 1 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-01-10 01:32:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 2575 transitions. [2025-01-10 01:32:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2025-01-10 01:32:31,193 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:31,193 INFO L218 NwaCegarLoop]: trace histogram [42, 41, 31, 16, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 12, 12, 11, 11, 11, 11, 11, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:31,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:31,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:31,398 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:31,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:31,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1975042023, now seen corresponding path program 13 times [2025-01-10 01:32:31,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:31,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584602677] [2025-01-10 01:32:31,399 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:32:31,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:31,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 431 statements into 1 equivalence classes. [2025-01-10 01:32:31,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 431 of 431 statements. [2025-01-10 01:32:31,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:31,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5207 backedges. 389 proven. 171 refuted. 0 times theorem prover too weak. 4647 trivial. 0 not checked. [2025-01-10 01:32:31,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:31,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584602677] [2025-01-10 01:32:31,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584602677] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:31,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767883127] [2025-01-10 01:32:31,684 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:32:31,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:31,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:31,689 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:31,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-01-10 01:32:31,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 431 statements into 1 equivalence classes. [2025-01-10 01:32:31,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 431 of 431 statements. [2025-01-10 01:32:31,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:31,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:31,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:32:31,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5207 backedges. 2657 proven. 122 refuted. 0 times theorem prover too weak. 2428 trivial. 0 not checked. [2025-01-10 01:32:32,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5207 backedges. 389 proven. 171 refuted. 0 times theorem prover too weak. 4647 trivial. 0 not checked. [2025-01-10 01:32:32,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767883127] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:32,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:32,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 29 [2025-01-10 01:32:32,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132480428] [2025-01-10 01:32:32,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:32,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 01:32:32,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:32,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 01:32:32,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=689, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:32:32,427 INFO L87 Difference]: Start difference. First operand 2055 states and 2575 transitions. Second operand has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2025-01-10 01:32:32,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:32,919 INFO L93 Difference]: Finished difference Result 2901 states and 3615 transitions. [2025-01-10 01:32:32,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-10 01:32:32,919 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) Word has length 431 [2025-01-10 01:32:32,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:32,928 INFO L225 Difference]: With dead ends: 2901 [2025-01-10 01:32:32,928 INFO L226 Difference]: Without dead ends: 2002 [2025-01-10 01:32:32,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 890 GetRequests, 835 SyntacticMatches, 14 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=318, Invalid=1488, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 01:32:32,934 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 8 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:32,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 380 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:32,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2025-01-10 01:32:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 2002. [2025-01-10 01:32:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 1599 states have (on average 1.1050656660412759) internal successors, (1767), 1590 states have internal predecessors, (1767), 267 states have call successors, (267), 100 states have call predecessors, (267), 133 states have return successors, (476), 311 states have call predecessors, (476), 266 states have call successors, (476) [2025-01-10 01:32:33,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 2510 transitions. [2025-01-10 01:32:33,107 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 2510 transitions. Word has length 431 [2025-01-10 01:32:33,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:33,108 INFO L471 AbstractCegarLoop]: Abstraction has 2002 states and 2510 transitions. [2025-01-10 01:32:33,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.7586206896551726) internal successors, (109), 29 states have internal predecessors, (109), 12 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 12 states have call predecessors, (20), 12 states have call successors, (20) [2025-01-10 01:32:33,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2510 transitions. [2025-01-10 01:32:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2025-01-10 01:32:33,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:33,119 INFO L218 NwaCegarLoop]: trace histogram [55, 54, 40, 22, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 15, 15, 15, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:33,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-01-10 01:32:33,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-01-10 01:32:33,320 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:33,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash -357448134, now seen corresponding path program 14 times [2025-01-10 01:32:33,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:33,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565609884] [2025-01-10 01:32:33,321 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:33,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:33,332 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 557 statements into 2 equivalence classes. [2025-01-10 01:32:33,362 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 557 of 557 statements. [2025-01-10 01:32:33,362 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:33,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8928 backedges. 1426 proven. 245 refuted. 0 times theorem prover too weak. 7257 trivial. 0 not checked. [2025-01-10 01:32:33,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:33,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565609884] [2025-01-10 01:32:33,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565609884] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:33,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564671519] [2025-01-10 01:32:33,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:33,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:33,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:33,929 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:33,930 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-01-10 01:32:33,993 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 557 statements into 2 equivalence classes. [2025-01-10 01:32:34,080 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 557 of 557 statements. [2025-01-10 01:32:34,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:34,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:34,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 01:32:34,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:34,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8928 backedges. 1579 proven. 86 refuted. 0 times theorem prover too weak. 7263 trivial. 0 not checked. [2025-01-10 01:32:34,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 8928 backedges. 1426 proven. 245 refuted. 0 times theorem prover too weak. 7257 trivial. 0 not checked. [2025-01-10 01:32:35,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564671519] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:35,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:35,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 21, 22] total 34 [2025-01-10 01:32:35,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86272082] [2025-01-10 01:32:35,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:35,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-01-10 01:32:35,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:35,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-01-10 01:32:35,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=987, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 01:32:35,083 INFO L87 Difference]: Start difference. First operand 2002 states and 2510 transitions. Second operand has 34 states, 34 states have (on average 4.0588235294117645) internal successors, (138), 32 states have internal predecessors, (138), 20 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 14 states have call predecessors, (23), 18 states have call successors, (23) [2025-01-10 01:32:36,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:36,266 INFO L93 Difference]: Finished difference Result 3355 states and 4297 transitions. [2025-01-10 01:32:36,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-10 01:32:36,266 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.0588235294117645) internal successors, (138), 32 states have internal predecessors, (138), 20 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 14 states have call predecessors, (23), 18 states have call successors, (23) Word has length 557 [2025-01-10 01:32:36,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:36,273 INFO L225 Difference]: With dead ends: 3355 [2025-01-10 01:32:36,273 INFO L226 Difference]: Without dead ends: 2137 [2025-01-10 01:32:36,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1158 GetRequests, 1090 SyntacticMatches, 17 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 894 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=342, Invalid=2414, Unknown=0, NotChecked=0, Total=2756 [2025-01-10 01:32:36,275 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 160 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1707 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 1758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1707 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:36,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 602 Invalid, 1758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1707 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:32:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2025-01-10 01:32:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1945. [2025-01-10 01:32:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1552 states have (on average 1.1076030927835052) internal successors, (1719), 1545 states have internal predecessors, (1719), 261 states have call successors, (261), 98 states have call predecessors, (261), 129 states have return successors, (460), 301 states have call predecessors, (460), 259 states have call successors, (460) [2025-01-10 01:32:36,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2440 transitions. [2025-01-10 01:32:36,421 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2440 transitions. Word has length 557 [2025-01-10 01:32:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:36,422 INFO L471 AbstractCegarLoop]: Abstraction has 1945 states and 2440 transitions. [2025-01-10 01:32:36,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.0588235294117645) internal successors, (138), 32 states have internal predecessors, (138), 20 states have call successors, (24), 3 states have call predecessors, (24), 4 states have return successors, (23), 14 states have call predecessors, (23), 18 states have call successors, (23) [2025-01-10 01:32:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2440 transitions. [2025-01-10 01:32:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2025-01-10 01:32:36,425 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:36,425 INFO L218 NwaCegarLoop]: trace histogram [57, 54, 42, 24, 20, 20, 20, 20, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 15, 15, 15, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:36,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:36,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:36,626 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:36,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:36,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1822128570, now seen corresponding path program 15 times [2025-01-10 01:32:36,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:36,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505944] [2025-01-10 01:32:36,627 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:36,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:36,636 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 571 statements into 18 equivalence classes. [2025-01-10 01:32:36,655 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 302 of 571 statements. [2025-01-10 01:32:36,655 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 01:32:36,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:36,940 INFO L134 CoverageAnalysis]: Checked inductivity of 9387 backedges. 1388 proven. 69 refuted. 0 times theorem prover too weak. 7930 trivial. 0 not checked. [2025-01-10 01:32:36,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:36,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505944] [2025-01-10 01:32:36,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505944] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:36,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215805145] [2025-01-10 01:32:36,940 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:36,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:36,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:36,946 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:36,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-01-10 01:32:37,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 571 statements into 18 equivalence classes. [2025-01-10 01:32:37,071 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 302 of 571 statements. [2025-01-10 01:32:37,071 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 01:32:37,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:37,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:32:37,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:37,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9387 backedges. 1383 proven. 68 refuted. 0 times theorem prover too weak. 7936 trivial. 0 not checked. [2025-01-10 01:32:37,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:38,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9387 backedges. 1383 proven. 74 refuted. 0 times theorem prover too weak. 7930 trivial. 0 not checked. [2025-01-10 01:32:38,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215805145] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:38,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:38,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 27 [2025-01-10 01:32:38,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517824160] [2025-01-10 01:32:38,364 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:38,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-10 01:32:38,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:38,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 01:32:38,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2025-01-10 01:32:38,368 INFO L87 Difference]: Start difference. First operand 1945 states and 2440 transitions. Second operand has 27 states, 27 states have (on average 4.518518518518518) internal successors, (122), 27 states have internal predecessors, (122), 14 states have call successors, (17), 1 states have call predecessors, (17), 8 states have return successors, (21), 12 states have call predecessors, (21), 14 states have call successors, (21) [2025-01-10 01:32:39,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:39,390 INFO L93 Difference]: Finished difference Result 3426 states and 4607 transitions. [2025-01-10 01:32:39,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-10 01:32:39,390 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.518518518518518) internal successors, (122), 27 states have internal predecessors, (122), 14 states have call successors, (17), 1 states have call predecessors, (17), 8 states have return successors, (21), 12 states have call predecessors, (21), 14 states have call successors, (21) Word has length 571 [2025-01-10 01:32:39,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:39,399 INFO L225 Difference]: With dead ends: 3426 [2025-01-10 01:32:39,399 INFO L226 Difference]: Without dead ends: 2278 [2025-01-10 01:32:39,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1192 GetRequests, 1135 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=678, Invalid=2402, Unknown=0, NotChecked=0, Total=3080 [2025-01-10 01:32:39,403 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 406 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:39,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 488 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:32:39,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2025-01-10 01:32:39,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1942. [2025-01-10 01:32:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1942 states, 1547 states have (on average 1.105365223012282) internal successors, (1710), 1544 states have internal predecessors, (1710), 265 states have call successors, (265), 98 states have call predecessors, (265), 127 states have return successors, (428), 299 states have call predecessors, (428), 263 states have call successors, (428) [2025-01-10 01:32:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1942 states to 1942 states and 2403 transitions. [2025-01-10 01:32:39,554 INFO L78 Accepts]: Start accepts. Automaton has 1942 states and 2403 transitions. Word has length 571 [2025-01-10 01:32:39,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:39,554 INFO L471 AbstractCegarLoop]: Abstraction has 1942 states and 2403 transitions. [2025-01-10 01:32:39,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.518518518518518) internal successors, (122), 27 states have internal predecessors, (122), 14 states have call successors, (17), 1 states have call predecessors, (17), 8 states have return successors, (21), 12 states have call predecessors, (21), 14 states have call successors, (21) [2025-01-10 01:32:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 2403 transitions. [2025-01-10 01:32:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2025-01-10 01:32:39,558 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:39,558 INFO L218 NwaCegarLoop]: trace histogram [57, 56, 42, 23, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 15, 15, 15, 14, 14, 14, 14, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:39,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-01-10 01:32:39,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2025-01-10 01:32:39,759 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting partsErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:39,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:39,759 INFO L85 PathProgramCache]: Analyzing trace with hash -589958101, now seen corresponding path program 16 times [2025-01-10 01:32:39,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:39,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337878795] [2025-01-10 01:32:39,759 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:39,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:39,770 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 578 statements into 2 equivalence classes. [2025-01-10 01:32:39,792 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 578 of 578 statements. [2025-01-10 01:32:39,793 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:32:39,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9651 backedges. 1515 proven. 36 refuted. 0 times theorem prover too weak. 8100 trivial. 0 not checked. [2025-01-10 01:32:40,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:40,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337878795] [2025-01-10 01:32:40,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337878795] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:40,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144035166] [2025-01-10 01:32:40,570 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:40,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:40,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:40,573 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:40,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-01-10 01:32:40,642 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 578 statements into 2 equivalence classes. [2025-01-10 01:32:40,734 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 578 of 578 statements. [2025-01-10 01:32:40,734 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:32:40,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:40,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:32:40,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:40,828 INFO L134 CoverageAnalysis]: Checked inductivity of 9651 backedges. 1515 proven. 36 refuted. 0 times theorem prover too weak. 8100 trivial. 0 not checked. [2025-01-10 01:32:40,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 9651 backedges. 1572 proven. 36 refuted. 0 times theorem prover too weak. 8043 trivial. 0 not checked. [2025-01-10 01:32:41,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144035166] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:41,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:41,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 10] total 14 [2025-01-10 01:32:41,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978723645] [2025-01-10 01:32:41,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:41,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:32:41,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:41,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:32:41,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:32:41,561 INFO L87 Difference]: Start difference. First operand 1942 states and 2403 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2025-01-10 01:32:41,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:41,819 INFO L93 Difference]: Finished difference Result 2348 states and 2979 transitions. [2025-01-10 01:32:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:32:41,820 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) Word has length 578 [2025-01-10 01:32:41,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:41,830 INFO L225 Difference]: With dead ends: 2348 [2025-01-10 01:32:41,830 INFO L226 Difference]: Without dead ends: 2347 [2025-01-10 01:32:41,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1180 GetRequests, 1150 SyntacticMatches, 14 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:32:41,831 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 6 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:41,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 243 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:41,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2347 states. [2025-01-10 01:32:42,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2347 to 2146. [2025-01-10 01:32:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2146 states, 1713 states have (on average 1.0986573263280794) internal successors, (1882), 1693 states have internal predecessors, (1882), 289 states have call successors, (289), 98 states have call predecessors, (289), 141 states have return successors, (541), 354 states have call predecessors, (541), 287 states have call successors, (541) [2025-01-10 01:32:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2712 transitions. [2025-01-10 01:32:42,062 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2712 transitions. Word has length 578 [2025-01-10 01:32:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:42,063 INFO L471 AbstractCegarLoop]: Abstraction has 2146 states and 2712 transitions. [2025-01-10 01:32:42,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 13 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 4 states have return successors, (14), 11 states have call predecessors, (14), 3 states have call successors, (14) [2025-01-10 01:32:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2712 transitions. [2025-01-10 01:32:42,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2025-01-10 01:32:42,070 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:42,071 INFO L218 NwaCegarLoop]: trace histogram [69, 68, 52, 29, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 17, 16, 16, 15, 15, 15, 15, 5, 5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:42,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2025-01-10 01:32:42,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:42,274 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:42,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:42,277 INFO L85 PathProgramCache]: Analyzing trace with hash -582726345, now seen corresponding path program 4 times [2025-01-10 01:32:42,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:42,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133962235] [2025-01-10 01:32:42,277 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:42,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:42,294 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 698 statements into 2 equivalence classes. [2025-01-10 01:32:42,328 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 448 of 698 statements. [2025-01-10 01:32:42,328 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 01:32:42,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 14355 backedges. 2300 proven. 1092 refuted. 0 times theorem prover too weak. 10963 trivial. 0 not checked. [2025-01-10 01:32:42,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:42,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133962235] [2025-01-10 01:32:42,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133962235] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:42,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745471222] [2025-01-10 01:32:42,900 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:42,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:42,905 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:42,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-01-10 01:32:43,005 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 698 statements into 2 equivalence classes. [2025-01-10 01:32:43,081 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 448 of 698 statements. [2025-01-10 01:32:43,081 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-10 01:32:43,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:43,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 1164 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-10 01:32:43,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:43,519 INFO L134 CoverageAnalysis]: Checked inductivity of 14355 backedges. 2323 proven. 1063 refuted. 0 times theorem prover too weak. 10969 trivial. 0 not checked. [2025-01-10 01:32:43,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:44,999 INFO L134 CoverageAnalysis]: Checked inductivity of 14355 backedges. 2300 proven. 1096 refuted. 0 times theorem prover too weak. 10959 trivial. 0 not checked. [2025-01-10 01:32:44,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745471222] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:45,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:45,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 22] total 41 [2025-01-10 01:32:45,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462062813] [2025-01-10 01:32:45,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:45,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-10 01:32:45,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:45,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-10 01:32:45,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1499, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 01:32:45,002 INFO L87 Difference]: Start difference. First operand 2146 states and 2712 transitions. Second operand has 41 states, 41 states have (on average 5.097560975609756) internal successors, (209), 41 states have internal predecessors, (209), 29 states have call successors, (35), 3 states have call predecessors, (35), 13 states have return successors, (38), 20 states have call predecessors, (38), 29 states have call successors, (38) [2025-01-10 01:32:48,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:48,194 INFO L93 Difference]: Finished difference Result 4870 states and 6951 transitions. [2025-01-10 01:32:48,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-01-10 01:32:48,194 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 5.097560975609756) internal successors, (209), 41 states have internal predecessors, (209), 29 states have call successors, (35), 3 states have call predecessors, (35), 13 states have return successors, (38), 20 states have call predecessors, (38), 29 states have call successors, (38) Word has length 698 [2025-01-10 01:32:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:48,212 INFO L225 Difference]: With dead ends: 4870 [2025-01-10 01:32:48,213 INFO L226 Difference]: Without dead ends: 3482 [2025-01-10 01:32:48,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1510 GetRequests, 1389 SyntacticMatches, 6 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3289 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=2356, Invalid=11216, Unknown=0, NotChecked=0, Total=13572 [2025-01-10 01:32:48,222 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 1006 mSDsluCounter, 1039 mSDsCounter, 0 mSdLazyCounter, 2045 mSolverCounterSat, 686 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1006 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 2731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 686 IncrementalHoareTripleChecker+Valid, 2045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:48,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1006 Valid, 1110 Invalid, 2731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [686 Valid, 2045 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 01:32:48,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2025-01-10 01:32:48,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 2874. [2025-01-10 01:32:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2874 states, 2308 states have (on average 1.097053726169844) internal successors, (2532), 2263 states have internal predecessors, (2532), 346 states have call successors, (346), 141 states have call predecessors, (346), 217 states have return successors, (854), 469 states have call predecessors, (854), 344 states have call successors, (854) [2025-01-10 01:32:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2874 states and 3732 transitions. [2025-01-10 01:32:48,594 INFO L78 Accepts]: Start accepts. Automaton has 2874 states and 3732 transitions. Word has length 698 [2025-01-10 01:32:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:48,598 INFO L471 AbstractCegarLoop]: Abstraction has 2874 states and 3732 transitions. [2025-01-10 01:32:48,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 5.097560975609756) internal successors, (209), 41 states have internal predecessors, (209), 29 states have call successors, (35), 3 states have call predecessors, (35), 13 states have return successors, (38), 20 states have call predecessors, (38), 29 states have call successors, (38) [2025-01-10 01:32:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2874 states and 3732 transitions. [2025-01-10 01:32:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2025-01-10 01:32:48,616 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:48,616 INFO L218 NwaCegarLoop]: trace histogram [90, 84, 68, 42, 34, 34, 34, 34, 33, 33, 33, 33, 33, 30, 30, 29, 29, 26, 22, 15, 15, 14, 14, 14, 14, 8, 8, 7, 7, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:48,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2025-01-10 01:32:48,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2025-01-10 01:32:48,818 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting partsErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [partsErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, partsErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2025-01-10 01:32:48,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:48,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1160300798, now seen corresponding path program 5 times [2025-01-10 01:32:48,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:48,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252283020] [2025-01-10 01:32:48,821 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:48,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:48,842 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 885 statements into 26 equivalence classes. [2025-01-10 01:32:48,883 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 393 of 885 statements. [2025-01-10 01:32:48,887 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-01-10 01:32:48,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:49,799 INFO L134 CoverageAnalysis]: Checked inductivity of 23784 backedges. 3662 proven. 1690 refuted. 0 times theorem prover too weak. 18432 trivial. 0 not checked. [2025-01-10 01:32:49,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:49,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252283020] [2025-01-10 01:32:49,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252283020] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:49,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898841188] [2025-01-10 01:32:49,799 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:49,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:49,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:49,801 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:49,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-01-10 01:32:49,915 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 885 statements into 26 equivalence classes. [2025-01-10 01:32:49,985 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 393 of 885 statements. [2025-01-10 01:32:49,985 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-01-10 01:32:49,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:49,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 01:32:49,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:50,170 INFO L134 CoverageAnalysis]: Checked inductivity of 23784 backedges. 10353 proven. 318 refuted. 0 times theorem prover too weak. 13113 trivial. 0 not checked. [2025-01-10 01:32:50,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:51,712 INFO L134 CoverageAnalysis]: Checked inductivity of 23784 backedges. 3098 proven. 1220 refuted. 0 times theorem prover too weak. 19466 trivial. 0 not checked. [2025-01-10 01:32:51,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898841188] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:51,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:51,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 16, 18] total 35 [2025-01-10 01:32:51,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344120412] [2025-01-10 01:32:51,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:51,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-10 01:32:51,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:51,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-10 01:32:51,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=1057, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:32:51,715 INFO L87 Difference]: Start difference. First operand 2874 states and 3732 transitions. Second operand has 35 states, 35 states have (on average 5.057142857142857) internal successors, (177), 32 states have internal predecessors, (177), 21 states have call successors, (32), 5 states have call predecessors, (32), 10 states have return successors, (34), 16 states have call predecessors, (34), 19 states have call successors, (34) [2025-01-10 01:32:53,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:53,967 INFO L93 Difference]: Finished difference Result 5357 states and 7493 transitions. [2025-01-10 01:32:53,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-10 01:32:53,968 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 5.057142857142857) internal successors, (177), 32 states have internal predecessors, (177), 21 states have call successors, (32), 5 states have call predecessors, (32), 10 states have return successors, (34), 16 states have call predecessors, (34), 19 states have call successors, (34) Word has length 885 [2025-01-10 01:32:53,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:53,984 INFO L225 Difference]: With dead ends: 5357 [2025-01-10 01:32:53,984 INFO L226 Difference]: Without dead ends: 3197 [2025-01-10 01:32:53,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1873 GetRequests, 1764 SyntacticMatches, 12 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2506 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1667, Invalid=8035, Unknown=0, NotChecked=0, Total=9702 [2025-01-10 01:32:53,996 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 1102 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 1935 mSolverCounterSat, 516 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 516 IncrementalHoareTripleChecker+Valid, 1935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:53,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1102 Valid, 977 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [516 Valid, 1935 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:32:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3197 states. [2025-01-10 01:32:54,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3197 to 2833. [2025-01-10 01:32:54,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2833 states, 2266 states have (on average 1.0820829655781112) internal successors, (2452), 2249 states have internal predecessors, (2452), 365 states have call successors, (365), 167 states have call predecessors, (365), 199 states have return successors, (683), 416 states have call predecessors, (683), 361 states have call successors, (683) [2025-01-10 01:32:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 2833 states and 3500 transitions. [2025-01-10 01:32:54,351 INFO L78 Accepts]: Start accepts. Automaton has 2833 states and 3500 transitions. Word has length 885 [2025-01-10 01:32:54,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:54,351 INFO L471 AbstractCegarLoop]: Abstraction has 2833 states and 3500 transitions. [2025-01-10 01:32:54,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 5.057142857142857) internal successors, (177), 32 states have internal predecessors, (177), 21 states have call successors, (32), 5 states have call predecessors, (32), 10 states have return successors, (34), 16 states have call predecessors, (34), 19 states have call successors, (34) [2025-01-10 01:32:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 3500 transitions. [2025-01-10 01:32:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 803 [2025-01-10 01:32:54,358 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:54,359 INFO L218 NwaCegarLoop]: trace histogram [79, 78, 61, 34, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 28, 28, 27, 18, 16, 16, 15, 15, 15, 15, 5, 5, 5, 5, 4, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:54,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0