./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.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-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.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 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:28:42,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:28:42,673 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 01:28:42,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:28:42,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:28:42,692 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:28:42,692 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:28:42,692 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:28:42,693 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:28:42,693 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:28:42,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:28:42,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:28:42,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:28:42,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:28:42,693 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:28:42,693 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:28:42,693 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:28:42,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:28:42,695 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:28:42,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:28:42,696 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:28:42,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:28:42,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:28:42,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:28:42,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:28:42,697 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 -> 172ac4fa0310d14c59d9149bc1b8ec1548860e0b827250d611bfd9d710019753 [2025-01-10 01:28:42,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:28:42,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:28:42,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:28:42,888 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:28:42,888 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:28:42,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2025-01-10 01:28:44,028 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03d6ba035/d12f67972c334b4fa2707c8f65432a41/FLAG8863b7e9a [2025-01-10 01:28:44,287 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:28:44,288 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Fig9a.c [2025-01-10 01:28:44,298 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03d6ba035/d12f67972c334b4fa2707c8f65432a41/FLAG8863b7e9a [2025-01-10 01:28:44,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03d6ba035/d12f67972c334b4fa2707c8f65432a41 [2025-01-10 01:28:44,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:28:44,315 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:28:44,316 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:28:44,316 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:28:44,319 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:28:44,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f0e48f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44, skipping insertion in model container [2025-01-10 01:28:44,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,331 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:28:44,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:28:44,428 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:28:44,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:28:44,444 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:28:44,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44 WrapperNode [2025-01-10 01:28:44,446 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:28:44,447 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:28:44,447 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:28:44,447 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:28:44,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,463 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2025-01-10 01:28:44,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:28:44,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:28:44,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:28:44,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:28:44,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,470 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,473 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:28:44,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:28:44,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:28:44,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:28:44,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:28:44,480 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (1/1) ... [2025-01-10 01:28:44,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:28:44,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:44,517 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 01:28:44,523 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 01:28:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:28:44,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:28:44,586 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:28:44,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:28:44,637 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2025-01-10 01:28:44,637 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:28:44,643 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:28:44,643 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:28:44,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:28:44 BoogieIcfgContainer [2025-01-10 01:28:44,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:28:44,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:28:44,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:28:44,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:28:44,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:28:44" (1/3) ... [2025-01-10 01:28:44,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa4caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:28:44, skipping insertion in model container [2025-01-10 01:28:44,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:28:44" (2/3) ... [2025-01-10 01:28:44,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55aa4caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:28:44, skipping insertion in model container [2025-01-10 01:28:44,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:28:44" (3/3) ... [2025-01-10 01:28:44,650 INFO L128 eAbstractionObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Fig9a.c [2025-01-10 01:28:44,660 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:28:44,661 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG BrockschmidtCookFuhs-CAV2013-Fig9a.c that has 1 procedures, 17 locations, 1 initial locations, 2 loop locations, and 4 error locations. [2025-01-10 01:28:44,689 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:28:44,696 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;@339df98f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:28:44,696 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-10 01:28:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 16 states have internal predecessors, (19), 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 01:28:44,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:28:44,704 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:44,704 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:28:44,704 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:44,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash 889508936, now seen corresponding path program 1 times [2025-01-10 01:28:44,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:44,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004670092] [2025-01-10 01:28:44,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:44,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:44,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:28:44,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:28:44,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:44,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:44,817 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 01:28:44,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:44,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004670092] [2025-01-10 01:28:44,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004670092] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:28:44,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:28:44,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:28:44,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004209292] [2025-01-10 01:28:44,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:28:44,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:28:44,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:44,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:28:44,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:28:44,834 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 16 states have internal predecessors, (19), 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) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:28:44,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:44,877 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2025-01-10 01:28:44,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:28:44,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:28:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:44,883 INFO L225 Difference]: With dead ends: 31 [2025-01-10 01:28:44,883 INFO L226 Difference]: Without dead ends: 13 [2025-01-10 01:28:44,885 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 01:28:44,887 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:44,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 17 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:44,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-01-10 01:28:44,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-01-10 01:28:44,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:28:44,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2025-01-10 01:28:44,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 6 [2025-01-10 01:28:44,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:44,909 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2025-01-10 01:28:44,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:28:44,910 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2025-01-10 01:28:44,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:28:44,910 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:44,910 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:28:44,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:28:44,911 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:44,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:44,911 INFO L85 PathProgramCache]: Analyzing trace with hash 889508744, now seen corresponding path program 1 times [2025-01-10 01:28:44,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:44,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513337972] [2025-01-10 01:28:44,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:44,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:44,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:28:44,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:28:44,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:44,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:44,949 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 01:28:44,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:44,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513337972] [2025-01-10 01:28:44,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513337972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:28:44,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:28:44,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:28:44,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308799188] [2025-01-10 01:28:44,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:28:44,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:28:44,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:44,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:28:44,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:28:44,952 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:28:44,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:44,972 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2025-01-10 01:28:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:28:44,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:28:44,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:44,973 INFO L225 Difference]: With dead ends: 13 [2025-01-10 01:28:44,973 INFO L226 Difference]: Without dead ends: 12 [2025-01-10 01:28:44,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:28:44,974 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:44,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:44,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2025-01-10 01:28:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2025-01-10 01:28:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 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 01:28:44,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2025-01-10 01:28:44,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 6 [2025-01-10 01:28:44,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:44,977 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2025-01-10 01:28:44,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:28:44,978 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2025-01-10 01:28:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:28:44,978 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:44,978 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:28:44,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:28:44,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:44,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1804967335, now seen corresponding path program 1 times [2025-01-10 01:28:44,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:44,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222486398] [2025-01-10 01:28:44,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:44,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:28:44,987 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:28:44,987 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:44,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:45,014 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 01:28:45,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:45,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222486398] [2025-01-10 01:28:45,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222486398] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:28:45,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:28:45,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:28:45,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570708377] [2025-01-10 01:28:45,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:28:45,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:28:45,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:45,015 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:28:45,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:28:45,016 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 01:28:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:45,047 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2025-01-10 01:28:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:28:45,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 01:28:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:45,048 INFO L225 Difference]: With dead ends: 15 [2025-01-10 01:28:45,048 INFO L226 Difference]: Without dead ends: 14 [2025-01-10 01:28:45,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:28:45,048 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:45,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-01-10 01:28:45,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-01-10 01:28:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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 01:28:45,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2025-01-10 01:28:45,055 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 7 [2025-01-10 01:28:45,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:45,055 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2025-01-10 01:28:45,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 01:28:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2025-01-10 01:28:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:28:45,055 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:45,055 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:28:45,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:28:45,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:45,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:45,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1208620212, now seen corresponding path program 1 times [2025-01-10 01:28:45,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:45,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178394624] [2025-01-10 01:28:45,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:45,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:45,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:28:45,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:28:45,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:45,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:45,089 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 01:28:45,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:45,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178394624] [2025-01-10 01:28:45,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178394624] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:28:45,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:28:45,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:28:45,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184699496] [2025-01-10 01:28:45,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:28:45,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:28:45,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:45,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:28:45,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:28:45,090 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 01:28:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:45,110 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2025-01-10 01:28:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:28:45,113 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 10 [2025-01-10 01:28:45,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:45,114 INFO L225 Difference]: With dead ends: 25 [2025-01-10 01:28:45,114 INFO L226 Difference]: Without dead ends: 24 [2025-01-10 01:28:45,114 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 01:28:45,115 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:45,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-01-10 01:28:45,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2025-01-10 01:28:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.2380952380952381) internal successors, (26), 22 states have internal predecessors, (26), 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 01:28:45,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2025-01-10 01:28:45,121 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2025-01-10 01:28:45,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:45,121 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2025-01-10 01:28:45,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 01:28:45,121 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2025-01-10 01:28:45,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:28:45,121 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:45,121 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:28:45,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:28:45,121 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:45,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:45,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1208626170, now seen corresponding path program 1 times [2025-01-10 01:28:45,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:45,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589102628] [2025-01-10 01:28:45,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:45,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:45,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:28:45,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:28:45,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:45,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:28:45,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:45,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589102628] [2025-01-10 01:28:45,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589102628] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:45,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778051178] [2025-01-10 01:28:45,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:45,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:45,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:45,197 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 01:28:45,200 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 01:28:45,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:28:45,237 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:28:45,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:45,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:45,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:28:45,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:28:45,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:28:45,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778051178] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:45,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:45,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-01-10 01:28:45,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319296177] [2025-01-10 01:28:45,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:45,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:28:45,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:45,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:28:45,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:28:45,363 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 01:28:45,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:45,419 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2025-01-10 01:28:45,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:28:45,419 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 10 [2025-01-10 01:28:45,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:45,419 INFO L225 Difference]: With dead ends: 37 [2025-01-10 01:28:45,419 INFO L226 Difference]: Without dead ends: 21 [2025-01-10 01:28:45,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:28:45,421 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:45,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:45,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-01-10 01:28:45,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-01-10 01:28:45,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:28:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-01-10 01:28:45,427 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 10 [2025-01-10 01:28:45,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:45,427 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-01-10 01:28:45,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 01:28:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-01-10 01:28:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 01:28:45,427 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:45,427 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:28:45,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:28:45,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:45,628 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:45,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:45,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1081650753, now seen corresponding path program 1 times [2025-01-10 01:28:45,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:45,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247828790] [2025-01-10 01:28:45,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:45,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:45,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 01:28:45,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 01:28:45,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:45,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:28:45,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:45,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247828790] [2025-01-10 01:28:45,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247828790] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:45,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1892814758] [2025-01-10 01:28:45,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:45,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:45,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:45,667 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 01:28:45,668 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 01:28:45,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 01:28:45,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 01:28:45,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:45,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:45,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:28:45,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:45,716 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:28:45,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:28:45,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1892814758] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:45,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:45,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:28:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043605179] [2025-01-10 01:28:45,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:45,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:28:45,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:45,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:28:45,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:28:45,762 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 01:28:45,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:45,805 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2025-01-10 01:28:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:28:45,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 17 [2025-01-10 01:28:45,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:45,806 INFO L225 Difference]: With dead ends: 52 [2025-01-10 01:28:45,806 INFO L226 Difference]: Without dead ends: 51 [2025-01-10 01:28:45,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:28:45,807 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:45,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:45,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-01-10 01:28:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2025-01-10 01:28:45,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 47 states have internal predecessors, (55), 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 01:28:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 55 transitions. [2025-01-10 01:28:45,829 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 55 transitions. Word has length 17 [2025-01-10 01:28:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:45,829 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 55 transitions. [2025-01-10 01:28:45,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 01:28:45,830 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2025-01-10 01:28:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-01-10 01:28:45,830 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:45,830 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:28:45,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:28:46,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:46,031 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:46,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:46,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1081644795, now seen corresponding path program 1 times [2025-01-10 01:28:46,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:46,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145147946] [2025-01-10 01:28:46,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:46,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:46,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 01:28:46,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 01:28:46,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:46,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:28:46,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:46,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145147946] [2025-01-10 01:28:46,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145147946] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:46,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958160644] [2025-01-10 01:28:46,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:28:46,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:46,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:46,139 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 01:28:46,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:28:46,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-10 01:28:46,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-10 01:28:46,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:46,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:46,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:28:46,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:28:46,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:28:46,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958160644] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:46,293 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:46,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2025-01-10 01:28:46,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269240833] [2025-01-10 01:28:46,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:46,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:28:46,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:46,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:28:46,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:28:46,295 INFO L87 Difference]: Start difference. First operand 48 states and 55 transitions. Second operand has 15 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 15 states have internal predecessors, (39), 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 01:28:46,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:46,488 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2025-01-10 01:28:46,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 01:28:46,489 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 15 states have internal predecessors, (39), 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 17 [2025-01-10 01:28:46,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:46,489 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:28:46,489 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:28:46,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2025-01-10 01:28:46,490 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 34 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:46,491 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 20 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:28:46,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:28:46,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 60. [2025-01-10 01:28:46,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 59 states have internal predecessors, (71), 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 01:28:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 71 transitions. [2025-01-10 01:28:46,499 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 71 transitions. Word has length 17 [2025-01-10 01:28:46,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:46,500 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 71 transitions. [2025-01-10 01:28:46,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.7857142857142856) internal successors, (39), 15 states have internal predecessors, (39), 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 01:28:46,500 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 71 transitions. [2025-01-10 01:28:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:28:46,500 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:46,500 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:28:46,507 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 01:28:46,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:46,701 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:46,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:46,702 INFO L85 PathProgramCache]: Analyzing trace with hash 383563675, now seen corresponding path program 2 times [2025-01-10 01:28:46,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:46,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532024708] [2025-01-10 01:28:46,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:28:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:46,710 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-10 01:28:46,717 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:28:46,717 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:28:46,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:28:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:46,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532024708] [2025-01-10 01:28:46,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532024708] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:46,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815877703] [2025-01-10 01:28:46,816 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:28:46,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:46,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:46,818 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 01:28:46,821 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 01:28:46,838 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-10 01:28:46,844 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:28:46,844 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:28:46,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:46,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:28:46,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:28:46,936 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:28:47,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815877703] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:47,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:47,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 18 [2025-01-10 01:28:47,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472075567] [2025-01-10 01:28:47,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:47,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 01:28:47,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:47,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 01:28:47,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2025-01-10 01:28:47,078 INFO L87 Difference]: Start difference. First operand 60 states and 71 transitions. Second operand has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 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 01:28:47,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:47,580 INFO L93 Difference]: Finished difference Result 187 states and 246 transitions. [2025-01-10 01:28:47,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-10 01:28:47,580 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 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 23 [2025-01-10 01:28:47,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:47,582 INFO L225 Difference]: With dead ends: 187 [2025-01-10 01:28:47,582 INFO L226 Difference]: Without dead ends: 185 [2025-01-10 01:28:47,583 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=449, Invalid=1443, Unknown=0, NotChecked=0, Total=1892 [2025-01-10 01:28:47,583 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 35 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:47,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 30 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:28:47,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-01-10 01:28:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 64. [2025-01-10 01:28:47,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.1935483870967742) internal successors, (74), 63 states have internal predecessors, (74), 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 01:28:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 74 transitions. [2025-01-10 01:28:47,600 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 74 transitions. Word has length 23 [2025-01-10 01:28:47,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:47,600 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 74 transitions. [2025-01-10 01:28:47,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 19 states have internal predecessors, (53), 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 01:28:47,600 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 74 transitions. [2025-01-10 01:28:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 01:28:47,601 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:47,601 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1] [2025-01-10 01:28:47,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:28:47,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-01-10 01:28:47,802 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:47,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1528715252, now seen corresponding path program 2 times [2025-01-10 01:28:47,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:47,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770212378] [2025-01-10 01:28:47,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:28:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:47,808 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-01-10 01:28:47,811 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 38 statements. [2025-01-10 01:28:47,811 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:28:47,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-10 01:28:47,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:47,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770212378] [2025-01-10 01:28:47,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770212378] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:47,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019001672] [2025-01-10 01:28:47,826 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:28:47,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:47,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:47,828 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 01:28:47,830 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 01:28:47,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-01-10 01:28:47,850 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 38 statements. [2025-01-10 01:28:47,851 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:28:47,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:47,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:28:47,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:47,885 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-10 01:28:47,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:47,923 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-01-10 01:28:47,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019001672] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:47,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:47,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2025-01-10 01:28:47,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977090556] [2025-01-10 01:28:47,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:47,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:28:47,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:47,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:28:47,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:28:47,926 INFO L87 Difference]: Start difference. First operand 64 states and 74 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 01:28:47,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:47,938 INFO L93 Difference]: Finished difference Result 64 states and 74 transitions. [2025-01-10 01:28:47,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:28:47,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 38 [2025-01-10 01:28:47,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:47,939 INFO L225 Difference]: With dead ends: 64 [2025-01-10 01:28:47,939 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 01:28:47,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 1 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 01:28:47,940 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 2 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:47,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:28:47,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 01:28:47,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2025-01-10 01:28:47,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 60 states have internal predecessors, (71), 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 01:28:47,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 71 transitions. [2025-01-10 01:28:47,950 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 71 transitions. Word has length 38 [2025-01-10 01:28:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:47,950 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 71 transitions. [2025-01-10 01:28:47,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 01:28:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2025-01-10 01:28:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 01:28:47,951 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:47,951 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2025-01-10 01:28:47,958 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 01:28:48,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:48,151 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:48,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:48,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1528721210, now seen corresponding path program 3 times [2025-01-10 01:28:48,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:48,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510828266] [2025-01-10 01:28:48,152 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:28:48,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:48,157 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 8 equivalence classes. [2025-01-10 01:28:48,170 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 35 of 38 statements. [2025-01-10 01:28:48,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 01:28:48,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:28:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510828266] [2025-01-10 01:28:48,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510828266] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101351104] [2025-01-10 01:28:48,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:28:48,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:48,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:48,279 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 01:28:48,281 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 01:28:48,299 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 38 statements into 8 equivalence classes. [2025-01-10 01:28:48,308 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 35 of 38 statements. [2025-01-10 01:28:48,308 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 01:28:48,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:48,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:28:48,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:28:48,386 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:48,511 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:28:48,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101351104] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:48,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:48,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2025-01-10 01:28:48,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340023808] [2025-01-10 01:28:48,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:48,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 01:28:48,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:48,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 01:28:48,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:28:48,513 INFO L87 Difference]: Start difference. First operand 61 states and 71 transitions. Second operand has 21 states, 20 states have (on average 4.05) internal successors, (81), 21 states have internal predecessors, (81), 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 01:28:49,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:49,206 INFO L93 Difference]: Finished difference Result 555 states and 672 transitions. [2025-01-10 01:28:49,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-10 01:28:49,207 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.05) internal successors, (81), 21 states have internal predecessors, (81), 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 38 [2025-01-10 01:28:49,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:49,208 INFO L225 Difference]: With dead ends: 555 [2025-01-10 01:28:49,208 INFO L226 Difference]: Without dead ends: 554 [2025-01-10 01:28:49,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=904, Invalid=2636, Unknown=0, NotChecked=0, Total=3540 [2025-01-10 01:28:49,210 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 56 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:49,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 26 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:28:49,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2025-01-10 01:28:49,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 340. [2025-01-10 01:28:49,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 339 states have (on average 1.2212389380530972) internal successors, (414), 339 states have internal predecessors, (414), 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 01:28:49,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 414 transitions. [2025-01-10 01:28:49,239 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 414 transitions. Word has length 38 [2025-01-10 01:28:49,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:49,239 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 414 transitions. [2025-01-10 01:28:49,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.05) internal successors, (81), 21 states have internal predecessors, (81), 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 01:28:49,240 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 414 transitions. [2025-01-10 01:28:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 01:28:49,240 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:49,241 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 5, 4, 4, 4, 1, 1, 1, 1] [2025-01-10 01:28:49,252 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 01:28:49,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-10 01:28:49,442 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:49,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:49,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1870130470, now seen corresponding path program 4 times [2025-01-10 01:28:49,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:49,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232563030] [2025-01-10 01:28:49,443 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:28:49,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:49,447 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 44 statements into 2 equivalence classes. [2025-01-10 01:28:49,451 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:28:49,451 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:28:49,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 127 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:28:49,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:49,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232563030] [2025-01-10 01:28:49,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232563030] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:49,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737144001] [2025-01-10 01:28:49,674 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:28:49,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:49,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:49,676 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 01:28:49,678 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 01:28:49,703 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 44 statements into 2 equivalence classes. [2025-01-10 01:28:49,714 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:28:49,714 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:28:49,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:49,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:28:49,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 92 proven. 47 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:28:49,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:50,213 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 65 proven. 74 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:28:50,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737144001] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:50,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:50,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 13, 13] total 35 [2025-01-10 01:28:50,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137157918] [2025-01-10 01:28:50,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:50,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-10 01:28:50,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:50,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-10 01:28:50,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=1024, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:28:50,215 INFO L87 Difference]: Start difference. First operand 340 states and 414 transitions. Second operand has 35 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 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 01:28:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:51,563 INFO L93 Difference]: Finished difference Result 823 states and 1003 transitions. [2025-01-10 01:28:51,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-10 01:28:51,563 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 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 44 [2025-01-10 01:28:51,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:51,565 INFO L225 Difference]: With dead ends: 823 [2025-01-10 01:28:51,565 INFO L226 Difference]: Without dead ends: 501 [2025-01-10 01:28:51,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1241, Invalid=4921, Unknown=0, NotChecked=0, Total=6162 [2025-01-10 01:28:51,568 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 137 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:51,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 26 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:28:51,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-01-10 01:28:51,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 389. [2025-01-10 01:28:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 388 states have (on average 1.1597938144329898) internal successors, (450), 388 states have internal predecessors, (450), 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 01:28:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 450 transitions. [2025-01-10 01:28:51,637 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 450 transitions. Word has length 44 [2025-01-10 01:28:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:51,637 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 450 transitions. [2025-01-10 01:28:51,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 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 01:28:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 450 transitions. [2025-01-10 01:28:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 01:28:51,643 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:51,643 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 5, 4, 4, 4, 1, 1, 1, 1] [2025-01-10 01:28:51,650 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 01:28:51,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:51,844 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:51,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:51,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2139754258, now seen corresponding path program 5 times [2025-01-10 01:28:51,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:51,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159583446] [2025-01-10 01:28:51,845 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:28:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:51,854 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 9 equivalence classes. [2025-01-10 01:28:51,867 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:28:51,868 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-10 01:28:51,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 100 proven. 90 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 01:28:52,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:52,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159583446] [2025-01-10 01:28:52,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159583446] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:52,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517534105] [2025-01-10 01:28:52,075 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:28:52,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:52,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:52,078 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 01:28:52,079 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 01:28:52,100 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 9 equivalence classes. [2025-01-10 01:28:52,111 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:28:52,112 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-10 01:28:52,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:52,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:28:52,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 40 proven. 146 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-10 01:28:52,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:52,585 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 4 proven. 182 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-10 01:28:52,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517534105] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:52,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:52,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 35 [2025-01-10 01:28:52,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582589027] [2025-01-10 01:28:52,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:52,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-10 01:28:52,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:52,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-10 01:28:52,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1061, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:28:52,586 INFO L87 Difference]: Start difference. First operand 389 states and 450 transitions. Second operand has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 35 states have internal predecessors, (123), 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 01:28:55,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:55,543 INFO L93 Difference]: Finished difference Result 1406 states and 1792 transitions. [2025-01-10 01:28:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-10 01:28:55,543 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 35 states have internal predecessors, (123), 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 50 [2025-01-10 01:28:55,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:55,547 INFO L225 Difference]: With dead ends: 1406 [2025-01-10 01:28:55,547 INFO L226 Difference]: Without dead ends: 1078 [2025-01-10 01:28:55,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7331 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3014, Invalid=18742, Unknown=0, NotChecked=0, Total=21756 [2025-01-10 01:28:55,552 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 282 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1343 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 1343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:55,552 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 33 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 1343 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:28:55,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2025-01-10 01:28:55,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 383. [2025-01-10 01:28:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 382 states have (on average 1.1204188481675392) internal successors, (428), 382 states have internal predecessors, (428), 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 01:28:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 428 transitions. [2025-01-10 01:28:55,600 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 428 transitions. Word has length 50 [2025-01-10 01:28:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:55,600 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 428 transitions. [2025-01-10 01:28:55,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.5142857142857142) internal successors, (123), 35 states have internal predecessors, (123), 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 01:28:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 428 transitions. [2025-01-10 01:28:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 01:28:55,602 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:55,602 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 7, 6, 6, 6, 1, 1, 1, 1] [2025-01-10 01:28:55,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 01:28:55,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:55,806 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:55,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:55,807 INFO L85 PathProgramCache]: Analyzing trace with hash 903197295, now seen corresponding path program 6 times [2025-01-10 01:28:55,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:55,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235309087] [2025-01-10 01:28:55,807 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:28:55,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:55,817 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 73 statements into 12 equivalence classes. [2025-01-10 01:28:55,843 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 62 of 73 statements. [2025-01-10 01:28:55,843 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-10 01:28:55,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:56,066 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 323 proven. 78 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-01-10 01:28:56,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:56,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235309087] [2025-01-10 01:28:56,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235309087] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:56,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817997495] [2025-01-10 01:28:56,067 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:28:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:56,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:56,071 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 01:28:56,072 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 01:28:56,089 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 73 statements into 12 equivalence classes. [2025-01-10 01:28:56,107 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) and asserted 62 of 73 statements. [2025-01-10 01:28:56,108 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2025-01-10 01:28:56,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:56,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:28:56,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 100 proven. 301 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-01-10 01:28:56,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 8 proven. 393 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2025-01-10 01:28:56,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817997495] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:56,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:56,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 36 [2025-01-10 01:28:56,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201106000] [2025-01-10 01:28:56,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:56,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-10 01:28:56,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:56,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-10 01:28:56,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=1052, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 01:28:56,514 INFO L87 Difference]: Start difference. First operand 383 states and 428 transitions. Second operand has 37 states, 36 states have (on average 4.027777777777778) internal successors, (145), 37 states have internal predecessors, (145), 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 01:28:58,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:28:58,435 INFO L93 Difference]: Finished difference Result 834 states and 994 transitions. [2025-01-10 01:28:58,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2025-01-10 01:28:58,435 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 4.027777777777778) internal successors, (145), 37 states have internal predecessors, (145), 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 73 [2025-01-10 01:28:58,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:28:58,439 INFO L225 Difference]: With dead ends: 834 [2025-01-10 01:28:58,439 INFO L226 Difference]: Without dead ends: 833 [2025-01-10 01:28:58,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6510 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3793, Invalid=13763, Unknown=0, NotChecked=0, Total=17556 [2025-01-10 01:28:58,444 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 26 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:28:58,444 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 28 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:28:58,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2025-01-10 01:28:58,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 353. [2025-01-10 01:28:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 352 states have (on average 1.1534090909090908) internal successors, (406), 352 states have internal predecessors, (406), 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 01:28:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 406 transitions. [2025-01-10 01:28:58,501 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 406 transitions. Word has length 73 [2025-01-10 01:28:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:28:58,501 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 406 transitions. [2025-01-10 01:28:58,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 4.027777777777778) internal successors, (145), 37 states have internal predecessors, (145), 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 01:28:58,501 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 406 transitions. [2025-01-10 01:28:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-10 01:28:58,502 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:28:58,502 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2025-01-10 01:28:58,508 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 01:28:58,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:58,703 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:28:58,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:28:58,704 INFO L85 PathProgramCache]: Analyzing trace with hash 571326438, now seen corresponding path program 7 times [2025-01-10 01:28:58,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:28:58,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82094025] [2025-01-10 01:28:58,704 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:28:58,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:28:58,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 01:28:58,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 01:28:58,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:58,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:58,878 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 01:28:58,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:28:58,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82094025] [2025-01-10 01:28:58,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82094025] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:28:58,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781250529] [2025-01-10 01:28:58,878 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:28:58,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:28:58,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:28:58,881 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 01:28:58,884 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 01:28:58,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 01:28:58,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 01:28:58,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:28:58,915 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:28:58,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:28:58,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:28:59,049 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 01:28:59,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:28:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-10 01:28:59,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781250529] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:28:59,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:28:59,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 32 [2025-01-10 01:28:59,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811510268] [2025-01-10 01:28:59,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:28:59,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-01-10 01:28:59,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:28:59,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-01-10 01:28:59,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=726, Unknown=0, NotChecked=0, Total=1056 [2025-01-10 01:28:59,372 INFO L87 Difference]: Start difference. First operand 353 states and 406 transitions. Second operand has 33 states, 32 states have (on average 5.15625) internal successors, (165), 33 states have internal predecessors, (165), 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 01:29:01,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:01,632 INFO L93 Difference]: Finished difference Result 3243 states and 3837 transitions. [2025-01-10 01:29:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-10 01:29:01,633 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 5.15625) internal successors, (165), 33 states have internal predecessors, (165), 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 80 [2025-01-10 01:29:01,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:01,641 INFO L225 Difference]: With dead ends: 3243 [2025-01-10 01:29:01,641 INFO L226 Difference]: Without dead ends: 3242 [2025-01-10 01:29:01,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5686 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=4096, Invalid=11654, Unknown=0, NotChecked=0, Total=15750 [2025-01-10 01:29:01,643 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 78 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:01,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 45 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:29:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3242 states. [2025-01-10 01:29:01,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3242 to 977. [2025-01-10 01:29:01,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.1157786885245902) internal successors, (1089), 976 states have internal predecessors, (1089), 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 01:29:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1089 transitions. [2025-01-10 01:29:01,775 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1089 transitions. Word has length 80 [2025-01-10 01:29:01,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:29:01,776 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1089 transitions. [2025-01-10 01:29:01,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 5.15625) internal successors, (165), 33 states have internal predecessors, (165), 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 01:29:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1089 transitions. [2025-01-10 01:29:01,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-01-10 01:29:01,777 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:29:01,777 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 18, 9, 8, 8, 8, 1, 1, 1, 1] [2025-01-10 01:29:01,782 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 01:29:01,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-10 01:29:01,981 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:29:01,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:29:01,981 INFO L85 PathProgramCache]: Analyzing trace with hash -997483041, now seen corresponding path program 8 times [2025-01-10 01:29:01,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:29:01,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114150696] [2025-01-10 01:29:01,981 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:29:01,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:29:01,986 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-01-10 01:29:01,997 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 01:29:01,997 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:29:01,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-01-10 01:29:02,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:29:02,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114150696] [2025-01-10 01:29:02,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114150696] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:29:02,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010372457] [2025-01-10 01:29:02,216 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:29:02,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:02,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:29:02,222 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 01:29:02,223 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 01:29:02,246 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-01-10 01:29:02,264 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-01-10 01:29:02,265 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:29:02,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:02,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:29:02,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:29:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 387 proven. 317 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-10 01:29:02,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:29:02,956 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 360 proven. 344 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2025-01-10 01:29:02,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010372457] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:29:02,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:29:02,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 40 [2025-01-10 01:29:02,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601473799] [2025-01-10 01:29:02,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:29:02,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-01-10 01:29:02,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:29:02,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-01-10 01:29:02,962 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=1403, Unknown=0, NotChecked=0, Total=1560 [2025-01-10 01:29:02,962 INFO L87 Difference]: Start difference. First operand 977 states and 1089 transitions. Second operand has 40 states, 40 states have (on average 4.1) internal successors, (164), 40 states have internal predecessors, (164), 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 01:29:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:05,471 INFO L93 Difference]: Finished difference Result 1512 states and 1702 transitions. [2025-01-10 01:29:05,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-01-10 01:29:05,472 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 4.1) internal successors, (164), 40 states have internal predecessors, (164), 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 93 [2025-01-10 01:29:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:05,475 INFO L225 Difference]: With dead ends: 1512 [2025-01-10 01:29:05,475 INFO L226 Difference]: Without dead ends: 1206 [2025-01-10 01:29:05,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 157 SyntacticMatches, 4 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4094 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1925, Invalid=12355, Unknown=0, NotChecked=0, Total=14280 [2025-01-10 01:29:05,478 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 158 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:05,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 34 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:29:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2025-01-10 01:29:05,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1150. [2025-01-10 01:29:05,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 1149 states have (on average 1.1009573542210618) internal successors, (1265), 1149 states have internal predecessors, (1265), 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 01:29:05,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1265 transitions. [2025-01-10 01:29:05,589 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1265 transitions. Word has length 93 [2025-01-10 01:29:05,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:29:05,589 INFO L471 AbstractCegarLoop]: Abstraction has 1150 states and 1265 transitions. [2025-01-10 01:29:05,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 4.1) internal successors, (164), 40 states have internal predecessors, (164), 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 01:29:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1265 transitions. [2025-01-10 01:29:05,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 01:29:05,590 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:29:05,590 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 21, 10, 9, 9, 9, 1, 1, 1, 1] [2025-01-10 01:29:05,596 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 01:29:05,791 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,SelfDestructingSolverStorable14 [2025-01-10 01:29:05,791 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:29:05,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:29:05,792 INFO L85 PathProgramCache]: Analyzing trace with hash -192739742, now seen corresponding path program 9 times [2025-01-10 01:29:05,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:29:05,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433314639] [2025-01-10 01:29:05,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:29:05,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:29:05,797 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 17 equivalence classes. [2025-01-10 01:29:05,806 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 49 of 106 statements. [2025-01-10 01:29:05,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 01:29:05,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 485 proven. 145 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2025-01-10 01:29:05,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:29:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433314639] [2025-01-10 01:29:05,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433314639] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:29:05,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49146378] [2025-01-10 01:29:05,990 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:29:05,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:05,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:29:05,992 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 01:29:05,998 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 01:29:06,016 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 17 equivalence classes. [2025-01-10 01:29:06,025 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 49 of 106 statements. [2025-01-10 01:29:06,025 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-10 01:29:06,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:06,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:29:06,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:29:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 528 proven. 102 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2025-01-10 01:29:06,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:29:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1044 backedges. 42 proven. 588 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2025-01-10 01:29:06,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49146378] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:29:06,874 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:29:06,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 43 [2025-01-10 01:29:06,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621054411] [2025-01-10 01:29:06,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:29:06,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-10 01:29:06,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:29:06,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-10 01:29:06,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1576, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 01:29:06,875 INFO L87 Difference]: Start difference. First operand 1150 states and 1265 transitions. Second operand has 43 states, 43 states have (on average 2.813953488372093) internal successors, (121), 43 states have internal predecessors, (121), 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 01:29:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:07,909 INFO L93 Difference]: Finished difference Result 2462 states and 2954 transitions. [2025-01-10 01:29:07,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-10 01:29:07,909 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 2.813953488372093) internal successors, (121), 43 states have internal predecessors, (121), 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 106 [2025-01-10 01:29:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:07,918 INFO L225 Difference]: With dead ends: 2462 [2025-01-10 01:29:07,921 INFO L226 Difference]: Without dead ends: 2039 [2025-01-10 01:29:07,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 183 SyntacticMatches, 1 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=783, Invalid=3773, Unknown=0, NotChecked=0, Total=4556 [2025-01-10 01:29:07,923 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 87 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:07,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 36 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:29:07,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2039 states. [2025-01-10 01:29:08,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2039 to 1959. [2025-01-10 01:29:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1959 states, 1958 states have (on average 1.1818181818181819) internal successors, (2314), 1958 states have internal predecessors, (2314), 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 01:29:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1959 states and 2314 transitions. [2025-01-10 01:29:08,189 INFO L78 Accepts]: Start accepts. Automaton has 1959 states and 2314 transitions. Word has length 106 [2025-01-10 01:29:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:29:08,190 INFO L471 AbstractCegarLoop]: Abstraction has 1959 states and 2314 transitions. [2025-01-10 01:29:08,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.813953488372093) internal successors, (121), 43 states have internal predecessors, (121), 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 01:29:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 2314 transitions. [2025-01-10 01:29:08,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-01-10 01:29:08,191 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:29:08,191 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 18, 13, 12, 12, 12, 1, 1, 1, 1] [2025-01-10 01:29:08,197 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 01:29:08,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:08,394 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:29:08,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:29:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash 274324855, now seen corresponding path program 10 times [2025-01-10 01:29:08,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:29:08,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844476340] [2025-01-10 01:29:08,395 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:29:08,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:29:08,399 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 109 statements into 2 equivalence classes. [2025-01-10 01:29:08,410 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:29:08,412 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:29:08,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:08,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 516 proven. 278 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2025-01-10 01:29:08,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:29:08,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844476340] [2025-01-10 01:29:08,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844476340] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:29:08,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772975136] [2025-01-10 01:29:08,540 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:29:08,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:08,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:29:08,541 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 01:29:08,543 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 01:29:08,562 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 109 statements into 2 equivalence classes. [2025-01-10 01:29:08,579 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-01-10 01:29:08,579 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:29:08,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:08,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:29:08,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:29:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 291 proven. 699 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-10 01:29:08,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:29:09,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 232 proven. 758 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-10 01:29:09,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772975136] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:29:09,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:29:09,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 21] total 47 [2025-01-10 01:29:09,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342345674] [2025-01-10 01:29:09,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:29:09,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-01-10 01:29:09,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:29:09,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-01-10 01:29:09,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=1854, Unknown=0, NotChecked=0, Total=2162 [2025-01-10 01:29:09,365 INFO L87 Difference]: Start difference. First operand 1959 states and 2314 transitions. Second operand has 47 states, 47 states have (on average 4.574468085106383) internal successors, (215), 47 states have internal predecessors, (215), 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 01:29:15,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:15,386 INFO L93 Difference]: Finished difference Result 3591 states and 4212 transitions. [2025-01-10 01:29:15,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-01-10 01:29:15,386 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 4.574468085106383) internal successors, (215), 47 states have internal predecessors, (215), 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 109 [2025-01-10 01:29:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:15,400 INFO L225 Difference]: With dead ends: 3591 [2025-01-10 01:29:15,403 INFO L226 Difference]: Without dead ends: 2509 [2025-01-10 01:29:15,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 434 GetRequests, 179 SyntacticMatches, 5 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23419 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=8721, Invalid=54531, Unknown=0, NotChecked=0, Total=63252 [2025-01-10 01:29:15,414 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 196 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 2521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:15,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 31 Invalid, 2521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 01:29:15,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2025-01-10 01:29:15,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2070. [2025-01-10 01:29:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 2069 states have (on average 1.1169647172547124) internal successors, (2311), 2069 states have internal predecessors, (2311), 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 01:29:15,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2311 transitions. [2025-01-10 01:29:15,950 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2311 transitions. Word has length 109 [2025-01-10 01:29:15,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:29:15,950 INFO L471 AbstractCegarLoop]: Abstraction has 2070 states and 2311 transitions. [2025-01-10 01:29:15,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 4.574468085106383) internal successors, (215), 47 states have internal predecessors, (215), 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 01:29:15,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2311 transitions. [2025-01-10 01:29:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-10 01:29:15,952 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:29:15,952 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 27, 13, 12, 12, 12, 1, 1, 1, 1] [2025-01-10 01:29:15,958 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 01:29:16,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 01:29:16,153 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:29:16,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:29:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash -967711466, now seen corresponding path program 11 times [2025-01-10 01:29:16,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:29:16,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495393210] [2025-01-10 01:29:16,154 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:29:16,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:29:16,160 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 136 statements into 23 equivalence classes. [2025-01-10 01:29:16,174 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 116 of 136 statements. [2025-01-10 01:29:16,174 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-01-10 01:29:16,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 1135 proven. 421 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 01:29:16,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:29:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495393210] [2025-01-10 01:29:16,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495393210] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:29:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965615361] [2025-01-10 01:29:16,379 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:29:16,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:16,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:29:16,382 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 01:29:16,384 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 01:29:16,406 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 136 statements into 23 equivalence classes. [2025-01-10 01:29:16,429 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 116 of 136 statements. [2025-01-10 01:29:16,429 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-01-10 01:29:16,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:16,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 01:29:16,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:29:16,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 1222 proven. 334 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 01:29:16,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:29:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1746 backedges. 1132 proven. 424 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-01-10 01:29:17,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965615361] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:29:17,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:29:17,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 46 [2025-01-10 01:29:17,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419247600] [2025-01-10 01:29:17,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:29:17,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-01-10 01:29:17,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:29:17,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-01-10 01:29:17,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=1742, Unknown=0, NotChecked=0, Total=2070 [2025-01-10 01:29:17,309 INFO L87 Difference]: Start difference. First operand 2070 states and 2311 transitions. Second operand has 46 states, 46 states have (on average 3.5652173913043477) internal successors, (164), 46 states have internal predecessors, (164), 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 01:29:20,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:20,514 INFO L93 Difference]: Finished difference Result 3126 states and 3551 transitions. [2025-01-10 01:29:20,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2025-01-10 01:29:20,515 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 3.5652173913043477) internal successors, (164), 46 states have internal predecessors, (164), 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 136 [2025-01-10 01:29:20,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:20,522 INFO L225 Difference]: With dead ends: 3126 [2025-01-10 01:29:20,522 INFO L226 Difference]: Without dead ends: 2312 [2025-01-10 01:29:20,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4460 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3362, Invalid=13668, Unknown=0, NotChecked=0, Total=17030 [2025-01-10 01:29:20,525 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 98 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:20,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 26 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:29:20,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2025-01-10 01:29:20,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2137. [2025-01-10 01:29:20,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2137 states, 2136 states have (on average 1.0959737827715357) internal successors, (2341), 2136 states have internal predecessors, (2341), 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 01:29:20,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 2137 states and 2341 transitions. [2025-01-10 01:29:20,919 INFO L78 Accepts]: Start accepts. Automaton has 2137 states and 2341 transitions. Word has length 136 [2025-01-10 01:29:20,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:29:20,919 INFO L471 AbstractCegarLoop]: Abstraction has 2137 states and 2341 transitions. [2025-01-10 01:29:20,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.5652173913043477) internal successors, (164), 46 states have internal predecessors, (164), 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 01:29:20,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 2341 transitions. [2025-01-10 01:29:20,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2025-01-10 01:29:20,922 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:29:20,922 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 26, 17, 16, 16, 16, 1, 1, 1, 1] [2025-01-10 01:29:20,930 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 01:29:21,126 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,SelfDestructingSolverStorable17 [2025-01-10 01:29:21,126 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:29:21,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:29:21,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1360492761, now seen corresponding path program 12 times [2025-01-10 01:29:21,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:29:21,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111891450] [2025-01-10 01:29:21,126 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:29:21,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:29:21,135 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 149 statements into 29 equivalence classes. [2025-01-10 01:29:21,149 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) and asserted 142 of 149 statements. [2025-01-10 01:29:21,149 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2025-01-10 01:29:21,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 884 proven. 854 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2025-01-10 01:29:21,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:29:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111891450] [2025-01-10 01:29:21,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111891450] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:29:21,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631916425] [2025-01-10 01:29:21,587 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:29:21,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:21,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:29:21,590 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 01:29:21,591 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 01:29:21,615 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 149 statements into 29 equivalence classes. [2025-01-10 01:29:21,648 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) and asserted 142 of 149 statements. [2025-01-10 01:29:21,648 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2025-01-10 01:29:21,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:21,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-10 01:29:21,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:29:21,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 620 proven. 1256 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-10 01:29:21,891 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:29:22,616 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 620 proven. 1256 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-01-10 01:29:22,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631916425] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:29:22,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:29:22,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 20, 20] total 43 [2025-01-10 01:29:22,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672430015] [2025-01-10 01:29:22,617 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:29:22,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-10 01:29:22,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:29:22,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-10 01:29:22,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=475, Invalid=1417, Unknown=0, NotChecked=0, Total=1892 [2025-01-10 01:29:22,623 INFO L87 Difference]: Start difference. First operand 2137 states and 2341 transitions. Second operand has 44 states, 43 states have (on average 4.837209302325581) internal successors, (208), 44 states have internal predecessors, (208), 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 01:29:30,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:30,537 INFO L93 Difference]: Finished difference Result 14306 states and 16641 transitions. [2025-01-10 01:29:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-10 01:29:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 4.837209302325581) internal successors, (208), 44 states have internal predecessors, (208), 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 149 [2025-01-10 01:29:30,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:30,600 INFO L225 Difference]: With dead ends: 14306 [2025-01-10 01:29:30,600 INFO L226 Difference]: Without dead ends: 14305 [2025-01-10 01:29:30,610 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13619 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=7655, Invalid=30565, Unknown=0, NotChecked=0, Total=38220 [2025-01-10 01:29:30,611 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 176 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:30,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 20 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:29:30,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14305 states. [2025-01-10 01:29:33,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14305 to 10784. [2025-01-10 01:29:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10784 states, 10783 states have (on average 1.134470926458314) internal successors, (12233), 10783 states have internal predecessors, (12233), 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 01:29:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10784 states to 10784 states and 12233 transitions. [2025-01-10 01:29:33,091 INFO L78 Accepts]: Start accepts. Automaton has 10784 states and 12233 transitions. Word has length 149 [2025-01-10 01:29:33,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:29:33,091 INFO L471 AbstractCegarLoop]: Abstraction has 10784 states and 12233 transitions. [2025-01-10 01:29:33,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 4.837209302325581) internal successors, (208), 44 states have internal predecessors, (208), 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 01:29:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 10784 states and 12233 transitions. [2025-01-10 01:29:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-10 01:29:33,110 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:29:33,110 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2025-01-10 01:29:33,124 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 01:29:33,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:33,315 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:29:33,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:29:33,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1217488422, now seen corresponding path program 13 times [2025-01-10 01:29:33,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:29:33,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380822107] [2025-01-10 01:29:33,319 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:29:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:29:33,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-10 01:29:33,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-10 01:29:33,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:29:33,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:29:34,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:29:34,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380822107] [2025-01-10 01:29:34,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380822107] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:29:34,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670397484] [2025-01-10 01:29:34,050 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:29:34,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:29:34,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:29:34,054 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 01:29:34,056 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 01:29:34,086 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-10 01:29:34,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-10 01:29:34,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:29:34,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:29:34,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 01:29:34,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:29:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:29:34,334 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:29:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2302 backedges. 0 proven. 2280 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:29:35,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670397484] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:29:35,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:29:35,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 56 [2025-01-10 01:29:35,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79870296] [2025-01-10 01:29:35,164 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:29:35,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-01-10 01:29:35,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:29:35,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-01-10 01:29:35,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1206, Invalid=1986, Unknown=0, NotChecked=0, Total=3192 [2025-01-10 01:29:35,165 INFO L87 Difference]: Start difference. First operand 10784 states and 12233 transitions. Second operand has 57 states, 56 states have (on average 5.946428571428571) internal successors, (333), 57 states have internal predecessors, (333), 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 01:29:53,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:29:53,259 INFO L93 Difference]: Finished difference Result 69863 states and 81660 transitions. [2025-01-10 01:29:53,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2025-01-10 01:29:53,260 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 5.946428571428571) internal successors, (333), 57 states have internal predecessors, (333), 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 164 [2025-01-10 01:29:53,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:29:53,421 INFO L225 Difference]: With dead ends: 69863 [2025-01-10 01:29:53,421 INFO L226 Difference]: Without dead ends: 69862 [2025-01-10 01:29:53,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 256 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25792 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=17392, Invalid=48914, Unknown=0, NotChecked=0, Total=66306 [2025-01-10 01:29:53,439 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 144 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:29:53,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 50 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:29:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69862 states. [2025-01-10 01:30:00,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69862 to 49551. [2025-01-10 01:30:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49551 states, 49550 states have (on average 1.1233703329969729) internal successors, (55663), 49550 states have internal predecessors, (55663), 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 01:30:01,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49551 states to 49551 states and 55663 transitions. [2025-01-10 01:30:01,120 INFO L78 Accepts]: Start accepts. Automaton has 49551 states and 55663 transitions. Word has length 164 [2025-01-10 01:30:01,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:30:01,124 INFO L471 AbstractCegarLoop]: Abstraction has 49551 states and 55663 transitions. [2025-01-10 01:30:01,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 5.946428571428571) internal successors, (333), 57 states have internal predecessors, (333), 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 01:30:01,124 INFO L276 IsEmpty]: Start isEmpty. Operand 49551 states and 55663 transitions. [2025-01-10 01:30:01,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2025-01-10 01:30:01,210 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:30:01,211 INFO L218 NwaCegarLoop]: trace histogram [61, 61, 60, 34, 33, 33, 33, 1, 1, 1, 1] [2025-01-10 01:30:01,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 01:30:01,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:30:01,412 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-01-10 01:30:01,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:30:01,412 INFO L85 PathProgramCache]: Analyzing trace with hash -778354989, now seen corresponding path program 14 times [2025-01-10 01:30:01,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:30:01,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76777730] [2025-01-10 01:30:01,412 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:30:01,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:30:01,424 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 319 statements into 2 equivalence classes. [2025-01-10 01:30:01,495 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 319 of 319 statements. [2025-01-10 01:30:01,495 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:30:01,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:30:01,880 INFO L134 CoverageAnalysis]: Checked inductivity of 9648 backedges. 0 proven. 3760 refuted. 0 times theorem prover too weak. 5888 trivial. 0 not checked. [2025-01-10 01:30:01,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:30:01,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76777730] [2025-01-10 01:30:01,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76777730] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:30:01,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548753057] [2025-01-10 01:30:01,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:30:01,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:30:01,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:30:01,882 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 01:30:01,886 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 01:30:01,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 319 statements into 2 equivalence classes. [2025-01-10 01:30:01,967 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 319 of 319 statements. [2025-01-10 01:30:01,967 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:30:01,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:30:01,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:30:01,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:30:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9648 backedges. 5371 proven. 1361 refuted. 0 times theorem prover too weak. 2916 trivial. 0 not checked. [2025-01-10 01:30:02,410 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:30:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 9648 backedges. 5358 proven. 1374 refuted. 0 times theorem prover too weak. 2916 trivial. 0 not checked. [2025-01-10 01:30:02,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548753057] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:30:02,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:30:02,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 25, 25] total 45 [2025-01-10 01:30:02,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138699755] [2025-01-10 01:30:02,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:30:02,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-01-10 01:30:02,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:30:02,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-01-10 01:30:02,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=314, Invalid=1666, Unknown=0, NotChecked=0, Total=1980 [2025-01-10 01:30:02,981 INFO L87 Difference]: Start difference. First operand 49551 states and 55663 transitions. Second operand has 45 states, 45 states have (on average 4.955555555555556) internal successors, (223), 45 states have internal predecessors, (223), 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 01:30:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:30:18,417 INFO L93 Difference]: Finished difference Result 57297 states and 65121 transitions. [2025-01-10 01:30:18,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 322 states. [2025-01-10 01:30:18,417 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 4.955555555555556) internal successors, (223), 45 states have internal predecessors, (223), 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 319 [2025-01-10 01:30:18,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:30:18,501 INFO L225 Difference]: With dead ends: 57297 [2025-01-10 01:30:18,501 INFO L226 Difference]: Without dead ends: 47437 [2025-01-10 01:30:18,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 949 GetRequests, 600 SyntacticMatches, 9 SemanticMatches, 340 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48228 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=16059, Invalid=100563, Unknown=0, NotChecked=0, Total=116622 [2025-01-10 01:30:18,521 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 201 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 2212 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:30:18,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 34 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2212 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 01:30:18,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47437 states.