./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.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 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:59:00,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:59:00,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 08:59:00,296 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:59:00,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:59:00,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:59:00,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:59:00,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:59:00,315 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:59:00,315 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:59:00,315 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:59:00,315 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:59:00,316 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:59:00,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:59:00,316 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:59:00,317 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:59:00,317 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:59:00,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:59:00,318 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:59:00,318 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 -> 33be026e9ca846df0a8faa91fc9c2bbf64ee20dbba0f4f48a9cd42fbefb372d5 [2025-02-08 08:59:00,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:59:00,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:59:00,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:59:00,560 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:59:00,561 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:59:00,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2025-02-08 08:59:01,662 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fed4bb4d/07efea0442b44bb6819009b5ad0aabbd/FLAGf64312c4e [2025-02-08 08:59:01,853 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:59:01,858 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2025-02-08 08:59:01,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fed4bb4d/07efea0442b44bb6819009b5ad0aabbd/FLAGf64312c4e [2025-02-08 08:59:02,229 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fed4bb4d/07efea0442b44bb6819009b5ad0aabbd [2025-02-08 08:59:02,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:59:02,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:59:02,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:59:02,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:59:02,236 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:59:02,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,236 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a80055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02, skipping insertion in model container [2025-02-08 08:59:02,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,245 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:59:02,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:59:02,338 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:59:02,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:59:02,358 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:59:02,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02 WrapperNode [2025-02-08 08:59:02,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:59:02,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:59:02,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:59:02,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:59:02,364 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,377 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2025-02-08 08:59:02,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:59:02,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:59:02,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:59:02,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:59:02,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,384 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,388 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 08:59:02,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,392 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,393 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:59:02,395 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:59:02,395 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:59:02,395 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:59:02,397 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (1/1) ... [2025-02-08 08:59:02,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:59:02,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:02,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 08:59:02,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 08:59:02,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:59:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:59:02,482 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:59:02,483 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:59:02,553 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-02-08 08:59:02,554 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:59:02,560 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:59:02,560 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:59:02,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:59:02 BoogieIcfgContainer [2025-02-08 08:59:02,561 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:59:02,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:59:02,562 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:59:02,565 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:59:02,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:59:02" (1/3) ... [2025-02-08 08:59:02,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20719a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:59:02, skipping insertion in model container [2025-02-08 08:59:02,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:59:02" (2/3) ... [2025-02-08 08:59:02,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20719a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:59:02, skipping insertion in model container [2025-02-08 08:59:02,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:59:02" (3/3) ... [2025-02-08 08:59:02,566 INFO L128 eAbstractionObserver]: Analyzing ICFG LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c [2025-02-08 08:59:02,575 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:59:02,576 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG LarrazOliverasRodriguez-CarbonellRubio-FMCAD2013-Fig1.c that has 1 procedures, 23 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-02-08 08:59:02,606 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:59:02,615 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;@f708223, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:59:02,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 08:59:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 08:59:02,623 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:02,624 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 08:59:02,624 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:02,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:02,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1629502, now seen corresponding path program 1 times [2025-02-08 08:59:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:02,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563589251] [2025-02-08 08:59:02,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:02,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:02,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 08:59:02,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 08:59:02,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:02,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:02,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:02,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563589251] [2025-02-08 08:59:02,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563589251] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:02,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:02,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:59:02,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176550992] [2025-02-08 08:59:02,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:02,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:59:02,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:02,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:59:02,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:59:02,762 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 22 states have internal predecessors, (25), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:02,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:02,811 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2025-02-08 08:59:02,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:59:02,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-02-08 08:59:02,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:02,816 INFO L225 Difference]: With dead ends: 28 [2025-02-08 08:59:02,816 INFO L226 Difference]: Without dead ends: 23 [2025-02-08 08:59:02,818 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:59:02,819 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:02,819 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 32 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:02,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-08 08:59:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2025-02-08 08:59:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.6428571428571428) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2025-02-08 08:59:02,837 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 4 [2025-02-08 08:59:02,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:02,837 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2025-02-08 08:59:02,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2025-02-08 08:59:02,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 08:59:02,837 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:02,838 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:59:02,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:59:02,838 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:02,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:02,838 INFO L85 PathProgramCache]: Analyzing trace with hash 50514547, now seen corresponding path program 1 times [2025-02-08 08:59:02,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:02,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979244226] [2025-02-08 08:59:02,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:02,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:02,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:59:02,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:59:02,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:02,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:02,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:02,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979244226] [2025-02-08 08:59:02,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979244226] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:02,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:02,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:59:02,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158762091] [2025-02-08 08:59:02,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:02,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:59:02,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:02,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:59:02,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:59:02,875 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:02,904 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2025-02-08 08:59:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:59:02,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2025-02-08 08:59:02,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:02,905 INFO L225 Difference]: With dead ends: 22 [2025-02-08 08:59:02,905 INFO L226 Difference]: Without dead ends: 21 [2025-02-08 08:59:02,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:59:02,905 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:02,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 8 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:02,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-02-08 08:59:02,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2025-02-08 08:59:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.5714285714285714) 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) [2025-02-08 08:59:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-02-08 08:59:02,911 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 5 [2025-02-08 08:59:02,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:02,912 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-02-08 08:59:02,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:02,912 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-02-08 08:59:02,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:59:02,912 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:02,912 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:02,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:59:02,913 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:02,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:02,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1299838865, now seen corresponding path program 1 times [2025-02-08 08:59:02,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:02,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552108699] [2025-02-08 08:59:02,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:02,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:02,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:59:02,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:59:02,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:02,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:02,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:02,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:02,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552108699] [2025-02-08 08:59:02,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552108699] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:02,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:02,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:02,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149218559] [2025-02-08 08:59:02,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:02,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:02,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:02,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:02,956 INFO L87 Difference]: Start difference. First operand 21 states and 22 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) [2025-02-08 08:59:03,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,000 INFO L93 Difference]: Finished difference Result 43 states and 54 transitions. [2025-02-08 08:59:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:03,001 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 [2025-02-08 08:59:03,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,001 INFO L225 Difference]: With dead ends: 43 [2025-02-08 08:59:03,001 INFO L226 Difference]: Without dead ends: 41 [2025-02-08 08:59:03,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,002 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 27 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:03,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-02-08 08:59:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 34. [2025-02-08 08:59:03,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.6296296296296295) internal successors, (44), 33 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2025-02-08 08:59:03,006 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 7 [2025-02-08 08:59:03,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,006 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2025-02-08 08:59:03,007 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) [2025-02-08 08:59:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2025-02-08 08:59:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 08:59:03,007 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,007 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:59:03,007 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1299838888, now seen corresponding path program 1 times [2025-02-08 08:59:03,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713755183] [2025-02-08 08:59:03,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 08:59:03,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 08:59:03,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713755183] [2025-02-08 08:59:03,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713755183] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:03,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:03,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 08:59:03,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919138133] [2025-02-08 08:59:03,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:59:03,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:59:03,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:59:03,064 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,135 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2025-02-08 08:59:03,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:59:03,135 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 08:59:03,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,136 INFO L225 Difference]: With dead ends: 52 [2025-02-08 08:59:03,136 INFO L226 Difference]: Without dead ends: 51 [2025-02-08 08:59:03,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 08:59:03,137 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:03,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2025-02-08 08:59:03,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 45. [2025-02-08 08:59:03,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.5789473684210527) internal successors, (60), 44 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2025-02-08 08:59:03,142 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 60 transitions. Word has length 7 [2025-02-08 08:59:03,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,142 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 60 transitions. [2025-02-08 08:59:03,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,142 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2025-02-08 08:59:03,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:59:03,143 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 08:59:03,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1640299130, now seen corresponding path program 1 times [2025-02-08 08:59:03,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464231469] [2025-02-08 08:59:03,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:59:03,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:59:03,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464231469] [2025-02-08 08:59:03,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464231469] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:03,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:03,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:03,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974252985] [2025-02-08 08:59:03,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:03,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:03,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,182 INFO L87 Difference]: Start difference. First operand 45 states and 60 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,228 INFO L93 Difference]: Finished difference Result 91 states and 132 transitions. [2025-02-08 08:59:03,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:03,229 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-02-08 08:59:03,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,229 INFO L225 Difference]: With dead ends: 91 [2025-02-08 08:59:03,229 INFO L226 Difference]: Without dead ends: 90 [2025-02-08 08:59:03,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,230 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,230 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 25 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:03,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-02-08 08:59:03,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83. [2025-02-08 08:59:03,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.5526315789473684) internal successors, (118), 82 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 118 transitions. [2025-02-08 08:59:03,238 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 118 transitions. Word has length 8 [2025-02-08 08:59:03,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,238 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 118 transitions. [2025-02-08 08:59:03,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2025-02-08 08:59:03,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:59:03,238 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,238 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 08:59:03,238 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1640299835, now seen corresponding path program 1 times [2025-02-08 08:59:03,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58381909] [2025-02-08 08:59:03,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:59:03,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:59:03,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58381909] [2025-02-08 08:59:03,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58381909] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:03,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:03,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:03,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110295560] [2025-02-08 08:59:03,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:03,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:03,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,267 INFO L87 Difference]: Start difference. First operand 83 states and 118 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,312 INFO L93 Difference]: Finished difference Result 88 states and 122 transitions. [2025-02-08 08:59:03,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:03,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-02-08 08:59:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,313 INFO L225 Difference]: With dead ends: 88 [2025-02-08 08:59:03,313 INFO L226 Difference]: Without dead ends: 87 [2025-02-08 08:59:03,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,314 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 12 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 19 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:03,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-02-08 08:59:03,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2025-02-08 08:59:03,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 78 states have (on average 1.5384615384615385) internal successors, (120), 84 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2025-02-08 08:59:03,338 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 8 [2025-02-08 08:59:03,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,338 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2025-02-08 08:59:03,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,338 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2025-02-08 08:59:03,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 08:59:03,339 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,339 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 08:59:03,339 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,339 INFO L85 PathProgramCache]: Analyzing trace with hash -690334545, now seen corresponding path program 1 times [2025-02-08 08:59:03,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637398514] [2025-02-08 08:59:03,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:59:03,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:59:03,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637398514] [2025-02-08 08:59:03,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637398514] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:03,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:03,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:03,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638488417] [2025-02-08 08:59:03,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:03,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:03,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,362 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,384 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2025-02-08 08:59:03,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:03,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 08:59:03,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,385 INFO L225 Difference]: With dead ends: 85 [2025-02-08 08:59:03,385 INFO L226 Difference]: Without dead ends: 84 [2025-02-08 08:59:03,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 08:59:03,385 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 14 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:03,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-08 08:59:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2025-02-08 08:59:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 78 states have (on average 1.4615384615384615) internal successors, (114), 83 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 114 transitions. [2025-02-08 08:59:03,396 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 114 transitions. Word has length 9 [2025-02-08 08:59:03,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,396 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 114 transitions. [2025-02-08 08:59:03,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,397 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2025-02-08 08:59:03,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 08:59:03,397 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,397 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 08:59:03,397 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,398 INFO L85 PathProgramCache]: Analyzing trace with hash 74465560, now seen corresponding path program 1 times [2025-02-08 08:59:03,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960412022] [2025-02-08 08:59:03,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 08:59:03,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 08:59:03,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960412022] [2025-02-08 08:59:03,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960412022] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:03,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:03,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:59:03,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140203170] [2025-02-08 08:59:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:59:03,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:59:03,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:59:03,424 INFO L87 Difference]: Start difference. First operand 84 states and 114 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2025-02-08 08:59:03,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,433 INFO L93 Difference]: Finished difference Result 84 states and 114 transitions. [2025-02-08 08:59:03,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:59:03,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 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 [2025-02-08 08:59:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,434 INFO L225 Difference]: With dead ends: 84 [2025-02-08 08:59:03,434 INFO L226 Difference]: Without dead ends: 83 [2025-02-08 08:59:03,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:59:03,435 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,435 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:03,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-02-08 08:59:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-02-08 08:59:03,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 78 states have (on average 1.3846153846153846) internal successors, (108), 82 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 108 transitions. [2025-02-08 08:59:03,441 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 108 transitions. Word has length 10 [2025-02-08 08:59:03,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,441 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 108 transitions. [2025-02-08 08:59:03,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 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) [2025-02-08 08:59:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2025-02-08 08:59:03,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 08:59:03,442 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,442 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 08:59:03,442 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,443 INFO L85 PathProgramCache]: Analyzing trace with hash 920512982, now seen corresponding path program 1 times [2025-02-08 08:59:03,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107872281] [2025-02-08 08:59:03,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:59:03,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:59:03,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 08:59:03,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107872281] [2025-02-08 08:59:03,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107872281] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:59:03,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:59:03,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 08:59:03,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072480886] [2025-02-08 08:59:03,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:59:03,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:59:03,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,475 INFO L87 Difference]: Start difference. First operand 83 states and 108 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:03,509 INFO L93 Difference]: Finished difference Result 97 states and 131 transitions. [2025-02-08 08:59:03,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:59:03,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 13 [2025-02-08 08:59:03,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:03,510 INFO L225 Difference]: With dead ends: 97 [2025-02-08 08:59:03,510 INFO L226 Difference]: Without dead ends: 95 [2025-02-08 08:59:03,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:59:03,511 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:03,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 11 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:03,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-02-08 08:59:03,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 83. [2025-02-08 08:59:03,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 79 states have (on average 1.3544303797468353) internal successors, (107), 82 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2025-02-08 08:59:03,518 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 13 [2025-02-08 08:59:03,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:03,518 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2025-02-08 08:59:03,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2025-02-08 08:59:03,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 08:59:03,518 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:03,518 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:59:03,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 08:59:03,519 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:03,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:03,519 INFO L85 PathProgramCache]: Analyzing trace with hash 920513005, now seen corresponding path program 1 times [2025-02-08 08:59:03,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:03,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298320449] [2025-02-08 08:59:03,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:03,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:59:03,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:59:03,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298320449] [2025-02-08 08:59:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298320449] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244102127] [2025-02-08 08:59:03,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:03,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:03,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:03,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:03,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 08:59:03,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 08:59:03,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 08:59:03,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:03,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:03,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:59:03,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:03,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244102127] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:03,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:03,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-08 08:59:03,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102917567] [2025-02-08 08:59:03,739 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:03,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 08:59:03,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:03,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 08:59:03,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-08 08:59:03,740 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:04,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:04,047 INFO L93 Difference]: Finished difference Result 204 states and 280 transitions. [2025-02-08 08:59:04,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 08:59:04,047 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 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 13 [2025-02-08 08:59:04,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:04,048 INFO L225 Difference]: With dead ends: 204 [2025-02-08 08:59:04,048 INFO L226 Difference]: Without dead ends: 202 [2025-02-08 08:59:04,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2025-02-08 08:59:04,049 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 125 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:04,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 22 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:04,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2025-02-08 08:59:04,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 109. [2025-02-08 08:59:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 108 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 136 transitions. [2025-02-08 08:59:04,066 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 136 transitions. Word has length 13 [2025-02-08 08:59:04,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:04,066 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 136 transitions. [2025-02-08 08:59:04,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 136 transitions. [2025-02-08 08:59:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 08:59:04,067 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:04,067 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 08:59:04,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:04,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 08:59:04,268 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:04,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1528867946, now seen corresponding path program 1 times [2025-02-08 08:59:04,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:04,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610387161] [2025-02-08 08:59:04,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:04,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:04,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:59:04,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:59:04,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:04,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:04,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:04,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610387161] [2025-02-08 08:59:04,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610387161] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:04,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788808978] [2025-02-08 08:59:04,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:04,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:04,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:04,317 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:04,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 08:59:04,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 08:59:04,342 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 08:59:04,342 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:04,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:04,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 08:59:04,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:04,426 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:04,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:04,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788808978] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:04,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:04,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-08 08:59:04,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984494221] [2025-02-08 08:59:04,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:04,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 08:59:04,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:04,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 08:59:04,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2025-02-08 08:59:04,486 INFO L87 Difference]: Start difference. First operand 109 states and 136 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:04,686 INFO L93 Difference]: Finished difference Result 222 states and 286 transitions. [2025-02-08 08:59:04,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 08:59:04,687 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-08 08:59:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:04,688 INFO L225 Difference]: With dead ends: 222 [2025-02-08 08:59:04,688 INFO L226 Difference]: Without dead ends: 221 [2025-02-08 08:59:04,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=137, Invalid=243, Unknown=0, NotChecked=0, Total=380 [2025-02-08 08:59:04,689 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 102 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:04,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 29 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:04,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-02-08 08:59:04,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 169. [2025-02-08 08:59:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 166 states have (on average 1.2469879518072289) internal successors, (207), 168 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:04,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 207 transitions. [2025-02-08 08:59:04,706 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 207 transitions. Word has length 14 [2025-02-08 08:59:04,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:04,707 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 207 transitions. [2025-02-08 08:59:04,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:04,707 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 207 transitions. [2025-02-08 08:59:04,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 08:59:04,707 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:04,707 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:04,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:04,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:04,909 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:04,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:04,909 INFO L85 PathProgramCache]: Analyzing trace with hash -489044134, now seen corresponding path program 1 times [2025-02-08 08:59:04,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:04,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102986174] [2025-02-08 08:59:04,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:04,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 08:59:04,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 08:59:04,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:04,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:04,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:04,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102986174] [2025-02-08 08:59:04,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102986174] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:04,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855585062] [2025-02-08 08:59:04,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:04,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:04,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:04,956 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:04,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 08:59:04,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 08:59:04,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 08:59:04,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:04,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:04,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:59:04,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:04,995 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:04,996 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:05,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855585062] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:05,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:05,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-08 08:59:05,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648861522] [2025-02-08 08:59:05,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:05,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 08:59:05,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:05,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 08:59:05,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:59:05,032 INFO L87 Difference]: Start difference. First operand 169 states and 207 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:05,095 INFO L93 Difference]: Finished difference Result 371 states and 472 transitions. [2025-02-08 08:59:05,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:59:05,095 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 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 18 [2025-02-08 08:59:05,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:05,098 INFO L225 Difference]: With dead ends: 371 [2025-02-08 08:59:05,098 INFO L226 Difference]: Without dead ends: 370 [2025-02-08 08:59:05,098 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:59:05,098 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 45 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:05,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 39 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:59:05,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2025-02-08 08:59:05,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 276. [2025-02-08 08:59:05,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 273 states have (on average 1.2380952380952381) internal successors, (338), 275 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:05,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 338 transitions. [2025-02-08 08:59:05,118 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 338 transitions. Word has length 18 [2025-02-08 08:59:05,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:05,118 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 338 transitions. [2025-02-08 08:59:05,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:05,118 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 338 transitions. [2025-02-08 08:59:05,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 08:59:05,119 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:05,120 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 08:59:05,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:05,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:05,320 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:05,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:05,321 INFO L85 PathProgramCache]: Analyzing trace with hash 141403360, now seen corresponding path program 1 times [2025-02-08 08:59:05,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:05,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128220400] [2025-02-08 08:59:05,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:05,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:05,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 08:59:05,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 08:59:05,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:05,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:05,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 08:59:05,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:05,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128220400] [2025-02-08 08:59:05,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128220400] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:05,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928884772] [2025-02-08 08:59:05,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:05,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:05,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:05,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 08:59:05,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 08:59:05,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 08:59:05,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:05,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:05,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 08:59:05,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:05,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 08:59:05,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:05,614 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 08:59:05,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [928884772] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:05,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:05,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 18 [2025-02-08 08:59:05,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865399726] [2025-02-08 08:59:05,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:05,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 08:59:05,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:05,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 08:59:05,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-02-08 08:59:05,617 INFO L87 Difference]: Start difference. First operand 276 states and 338 transitions. Second operand has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:06,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:06,025 INFO L93 Difference]: Finished difference Result 508 states and 638 transitions. [2025-02-08 08:59:06,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-08 08:59:06,025 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 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 24 [2025-02-08 08:59:06,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:06,027 INFO L225 Difference]: With dead ends: 508 [2025-02-08 08:59:06,027 INFO L226 Difference]: Without dead ends: 506 [2025-02-08 08:59:06,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=498, Invalid=1142, Unknown=0, NotChecked=0, Total=1640 [2025-02-08 08:59:06,028 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 52 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:06,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:06,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2025-02-08 08:59:06,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 310. [2025-02-08 08:59:06,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 307 states have (on average 1.218241042345277) internal successors, (374), 309 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:06,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 374 transitions. [2025-02-08 08:59:06,045 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 374 transitions. Word has length 24 [2025-02-08 08:59:06,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:06,046 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 374 transitions. [2025-02-08 08:59:06,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.888888888888889) internal successors, (70), 19 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 374 transitions. [2025-02-08 08:59:06,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 08:59:06,046 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:06,046 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 08:59:06,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:06,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 08:59:06,247 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:06,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:06,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1362161073, now seen corresponding path program 2 times [2025-02-08 08:59:06,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:06,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378643310] [2025-02-08 08:59:06,248 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:06,252 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 08:59:06,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:59:06,258 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:06,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:06,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:06,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378643310] [2025-02-08 08:59:06,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378643310] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:06,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001559933] [2025-02-08 08:59:06,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:06,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:06,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:06,351 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:06,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 08:59:06,368 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-08 08:59:06,374 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 08:59:06,374 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:06,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:06,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 08:59:06,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:06,497 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:06,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001559933] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:06,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:06,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-08 08:59:06,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878336948] [2025-02-08 08:59:06,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:06,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 08:59:06,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:06,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 08:59:06,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2025-02-08 08:59:06,592 INFO L87 Difference]: Start difference. First operand 310 states and 374 transitions. Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:07,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:07,629 INFO L93 Difference]: Finished difference Result 1496 states and 1790 transitions. [2025-02-08 08:59:07,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-02-08 08:59:07,629 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 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 29 [2025-02-08 08:59:07,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:07,633 INFO L225 Difference]: With dead ends: 1496 [2025-02-08 08:59:07,633 INFO L226 Difference]: Without dead ends: 1495 [2025-02-08 08:59:07,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2863 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1920, Invalid=5390, Unknown=0, NotChecked=0, Total=7310 [2025-02-08 08:59:07,637 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 251 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:07,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 18 Invalid, 449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 08:59:07,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1495 states. [2025-02-08 08:59:07,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1495 to 706. [2025-02-08 08:59:07,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 703 states have (on average 1.2147937411095306) internal successors, (854), 705 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:07,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 854 transitions. [2025-02-08 08:59:07,691 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 854 transitions. Word has length 29 [2025-02-08 08:59:07,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:07,691 INFO L471 AbstractCegarLoop]: Abstraction has 706 states and 854 transitions. [2025-02-08 08:59:07,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 22 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:07,691 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 854 transitions. [2025-02-08 08:59:07,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 08:59:07,692 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:07,692 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 1, 1, 1] [2025-02-08 08:59:07,698 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:07,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-08 08:59:07,894 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:07,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:07,894 INFO L85 PathProgramCache]: Analyzing trace with hash -736725721, now seen corresponding path program 2 times [2025-02-08 08:59:07,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:07,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054623866] [2025-02-08 08:59:07,894 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:07,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:07,897 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-02-08 08:59:07,902 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 08:59:07,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:07,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:07,994 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:07,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:07,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054623866] [2025-02-08 08:59:07,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054623866] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:07,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863225172] [2025-02-08 08:59:07,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:07,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:07,996 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:07,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 08:59:08,014 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-02-08 08:59:08,021 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 08:59:08,021 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:08,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:08,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 08:59:08,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:08,203 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:08,375 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:08,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863225172] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:08,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:08,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2025-02-08 08:59:08,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631997711] [2025-02-08 08:59:08,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:08,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 08:59:08,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:08,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 08:59:08,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2025-02-08 08:59:08,378 INFO L87 Difference]: Start difference. First operand 706 states and 854 transitions. Second operand has 32 states, 31 states have (on average 3.032258064516129) internal successors, (94), 32 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:09,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:09,230 INFO L93 Difference]: Finished difference Result 1333 states and 1581 transitions. [2025-02-08 08:59:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-02-08 08:59:09,231 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.032258064516129) internal successors, (94), 32 states have internal predecessors, (94), 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 32 [2025-02-08 08:59:09,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:09,234 INFO L225 Difference]: With dead ends: 1333 [2025-02-08 08:59:09,235 INFO L226 Difference]: Without dead ends: 1332 [2025-02-08 08:59:09,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1263, Invalid=2643, Unknown=0, NotChecked=0, Total=3906 [2025-02-08 08:59:09,236 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 453 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:09,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 94 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 08:59:09,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2025-02-08 08:59:09,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 883. [2025-02-08 08:59:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 880 states have (on average 1.209090909090909) internal successors, (1064), 882 states have internal predecessors, (1064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:09,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1064 transitions. [2025-02-08 08:59:09,296 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1064 transitions. Word has length 32 [2025-02-08 08:59:09,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:09,296 INFO L471 AbstractCegarLoop]: Abstraction has 883 states and 1064 transitions. [2025-02-08 08:59:09,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.032258064516129) internal successors, (94), 32 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1064 transitions. [2025-02-08 08:59:09,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 08:59:09,297 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:09,297 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 1, 1, 1] [2025-02-08 08:59:09,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:09,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 08:59:09,498 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:09,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:09,498 INFO L85 PathProgramCache]: Analyzing trace with hash 676185605, now seen corresponding path program 1 times [2025-02-08 08:59:09,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:09,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366588821] [2025-02-08 08:59:09,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:09,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:09,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 08:59:09,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 08:59:09,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:09,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:09,530 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 08:59:09,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:09,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366588821] [2025-02-08 08:59:09,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366588821] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:09,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756991865] [2025-02-08 08:59:09,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:59:09,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:09,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:09,533 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:09,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 08:59:09,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 08:59:09,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 08:59:09,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:09,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:09,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 08:59:09,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:09,623 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:09,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:09,684 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:09,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756991865] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:09,685 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:09,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 15 [2025-02-08 08:59:09,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164021564] [2025-02-08 08:59:09,685 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:09,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 08:59:09,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:09,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 08:59:09,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:59:09,686 INFO L87 Difference]: Start difference. First operand 883 states and 1064 transitions. Second operand has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:10,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:10,115 INFO L93 Difference]: Finished difference Result 3033 states and 3716 transitions. [2025-02-08 08:59:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-02-08 08:59:10,116 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 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 34 [2025-02-08 08:59:10,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:10,123 INFO L225 Difference]: With dead ends: 3033 [2025-02-08 08:59:10,123 INFO L226 Difference]: Without dead ends: 2829 [2025-02-08 08:59:10,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=545, Invalid=1015, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 08:59:10,125 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 165 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:10,126 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 25 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:10,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2829 states. [2025-02-08 08:59:10,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2829 to 457. [2025-02-08 08:59:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 455 states have (on average 1.1868131868131868) internal successors, (540), 456 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 540 transitions. [2025-02-08 08:59:10,218 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 540 transitions. Word has length 34 [2025-02-08 08:59:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:10,218 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 540 transitions. [2025-02-08 08:59:10,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.533333333333333) internal successors, (83), 16 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 540 transitions. [2025-02-08 08:59:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 08:59:10,219 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:10,219 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:10,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:10,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:10,424 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:10,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:10,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1173776102, now seen corresponding path program 2 times [2025-02-08 08:59:10,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:10,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970335434] [2025-02-08 08:59:10,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:10,429 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-02-08 08:59:10,433 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 08:59:10,434 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:10,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:10,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:10,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970335434] [2025-02-08 08:59:10,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970335434] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:10,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995998168] [2025-02-08 08:59:10,518 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:10,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:10,521 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 08:59:10,536 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-02-08 08:59:10,544 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 08:59:10,544 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:10,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:10,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 08:59:10,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:10,577 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:10,578 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:10,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995998168] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:10,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:10,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-02-08 08:59:10,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688190469] [2025-02-08 08:59:10,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:10,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 08:59:10,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:10,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 08:59:10,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:59:10,656 INFO L87 Difference]: Start difference. First operand 457 states and 540 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:10,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:10,878 INFO L93 Difference]: Finished difference Result 1682 states and 2063 transitions. [2025-02-08 08:59:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 08:59:10,879 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 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 [2025-02-08 08:59:10,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:10,883 INFO L225 Difference]: With dead ends: 1682 [2025-02-08 08:59:10,883 INFO L226 Difference]: Without dead ends: 1681 [2025-02-08 08:59:10,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:59:10,884 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 144 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:10,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 79 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:10,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1681 states. [2025-02-08 08:59:10,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1681 to 1155. [2025-02-08 08:59:10,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1155 states, 1153 states have (on average 1.178664353859497) internal successors, (1359), 1154 states have internal predecessors, (1359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 1155 states and 1359 transitions. [2025-02-08 08:59:10,984 INFO L78 Accepts]: Start accepts. Automaton has 1155 states and 1359 transitions. Word has length 38 [2025-02-08 08:59:10,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:10,984 INFO L471 AbstractCegarLoop]: Abstraction has 1155 states and 1359 transitions. [2025-02-08 08:59:10,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 1359 transitions. [2025-02-08 08:59:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 08:59:10,985 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:10,985 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2025-02-08 08:59:10,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 08:59:11,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 08:59:11,185 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:11,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:11,186 INFO L85 PathProgramCache]: Analyzing trace with hash 216578732, now seen corresponding path program 3 times [2025-02-08 08:59:11,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:11,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689736510] [2025-02-08 08:59:11,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:11,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:11,189 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 45 statements into 8 equivalence classes. [2025-02-08 08:59:11,195 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 08:59:11,195 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 08:59:11,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:11,315 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:11,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:11,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689736510] [2025-02-08 08:59:11,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689736510] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:11,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554902324] [2025-02-08 08:59:11,316 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:11,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:11,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:11,318 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:11,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 08:59:11,334 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 45 statements into 8 equivalence classes. [2025-02-08 08:59:11,344 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 08:59:11,345 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 08:59:11,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:11,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 08:59:11,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:11,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:11,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554902324] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:11,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:11,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 33 [2025-02-08 08:59:11,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56972468] [2025-02-08 08:59:11,677 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:11,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-08 08:59:11,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:11,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-08 08:59:11,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=809, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 08:59:11,678 INFO L87 Difference]: Start difference. First operand 1155 states and 1359 transitions. Second operand has 34 states, 33 states have (on average 4.03030303030303) internal successors, (133), 34 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:13,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:13,308 INFO L93 Difference]: Finished difference Result 2733 states and 3181 transitions. [2025-02-08 08:59:13,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-02-08 08:59:13,308 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 4.03030303030303) internal successors, (133), 34 states have internal predecessors, (133), 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 45 [2025-02-08 08:59:13,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:13,314 INFO L225 Difference]: With dead ends: 2733 [2025-02-08 08:59:13,314 INFO L226 Difference]: Without dead ends: 2732 [2025-02-08 08:59:13,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5597 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=3580, Invalid=9992, Unknown=0, NotChecked=0, Total=13572 [2025-02-08 08:59:13,316 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 566 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:13,316 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 78 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 08:59:13,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2025-02-08 08:59:13,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 1569. [2025-02-08 08:59:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1569 states, 1567 states have (on average 1.1786853860880664) internal successors, (1847), 1568 states have internal predecessors, (1847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 1569 states and 1847 transitions. [2025-02-08 08:59:13,493 INFO L78 Accepts]: Start accepts. Automaton has 1569 states and 1847 transitions. Word has length 45 [2025-02-08 08:59:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:13,493 INFO L471 AbstractCegarLoop]: Abstraction has 1569 states and 1847 transitions. [2025-02-08 08:59:13,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 4.03030303030303) internal successors, (133), 34 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1847 transitions. [2025-02-08 08:59:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-08 08:59:13,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:13,494 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2025-02-08 08:59:13,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:13,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 08:59:13,695 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:13,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:13,695 INFO L85 PathProgramCache]: Analyzing trace with hash -819834730, now seen corresponding path program 4 times [2025-02-08 08:59:13,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:13,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47129020] [2025-02-08 08:59:13,695 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:59:13,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:13,698 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 58 statements into 2 equivalence classes. [2025-02-08 08:59:13,702 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 08:59:13,702 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:59:13,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:13,902 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 7 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:13,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:13,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47129020] [2025-02-08 08:59:13,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47129020] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:13,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737130206] [2025-02-08 08:59:13,902 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:59:13,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:13,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:13,904 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:13,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 08:59:13,921 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 58 statements into 2 equivalence classes. [2025-02-08 08:59:13,931 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-08 08:59:13,931 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:59:13,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:13,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 08:59:13,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:14,089 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 95 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 08:59:14,089 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 95 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 08:59:14,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737130206] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:14,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:14,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11, 11] total 36 [2025-02-08 08:59:14,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076973947] [2025-02-08 08:59:14,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:14,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-02-08 08:59:14,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:14,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-02-08 08:59:14,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=1130, Unknown=0, NotChecked=0, Total=1260 [2025-02-08 08:59:14,277 INFO L87 Difference]: Start difference. First operand 1569 states and 1847 transitions. Second operand has 36 states, 36 states have (on average 3.2777777777777777) internal successors, (118), 36 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:16,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:16,518 INFO L93 Difference]: Finished difference Result 3191 states and 3764 transitions. [2025-02-08 08:59:16,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-02-08 08:59:16,519 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 36 states have (on average 3.2777777777777777) internal successors, (118), 36 states have internal predecessors, (118), 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 58 [2025-02-08 08:59:16,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:16,520 INFO L225 Difference]: With dead ends: 3191 [2025-02-08 08:59:16,520 INFO L226 Difference]: Without dead ends: 458 [2025-02-08 08:59:16,526 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2156 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1976, Invalid=8124, Unknown=0, NotChecked=0, Total=10100 [2025-02-08 08:59:16,526 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 87 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 2398 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 2398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:16,527 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 50 Invalid, 2434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 2398 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 08:59:16,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-02-08 08:59:16,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 142. [2025-02-08 08:59:16,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.1214285714285714) internal successors, (157), 141 states have internal predecessors, (157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 157 transitions. [2025-02-08 08:59:16,555 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 157 transitions. Word has length 58 [2025-02-08 08:59:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:16,555 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 157 transitions. [2025-02-08 08:59:16,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.2777777777777777) internal successors, (118), 36 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:16,555 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 157 transitions. [2025-02-08 08:59:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 08:59:16,556 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:16,557 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 3, 3, 3, 3, 3, 1, 1, 1] [2025-02-08 08:59:16,562 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:16,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:16,757 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:16,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:16,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1634625656, now seen corresponding path program 5 times [2025-02-08 08:59:16,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:16,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447309707] [2025-02-08 08:59:16,758 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:59:16,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:16,761 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 59 statements into 7 equivalence classes. [2025-02-08 08:59:16,767 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 08:59:16,767 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-02-08 08:59:16,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:16,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447309707] [2025-02-08 08:59:16,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447309707] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:16,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384974312] [2025-02-08 08:59:16,962 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 08:59:16,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:16,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:16,963 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:16,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 08:59:16,982 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 59 statements into 7 equivalence classes. [2025-02-08 08:59:16,993 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 08:59:16,993 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-02-08 08:59:16,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:16,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 08:59:16,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:17,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:17,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384974312] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:17,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:17,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 52 [2025-02-08 08:59:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838075902] [2025-02-08 08:59:17,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:17,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2025-02-08 08:59:17,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:17,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2025-02-08 08:59:17,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2025-02-08 08:59:17,670 INFO L87 Difference]: Start difference. First operand 142 states and 157 transitions. Second operand has 53 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 53 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:19,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:19,861 INFO L93 Difference]: Finished difference Result 462 states and 493 transitions. [2025-02-08 08:59:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-02-08 08:59:19,862 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 53 states have internal predecessors, (175), 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 59 [2025-02-08 08:59:19,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:19,863 INFO L225 Difference]: With dead ends: 462 [2025-02-08 08:59:19,863 INFO L226 Difference]: Without dead ends: 461 [2025-02-08 08:59:19,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7738 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=5513, Invalid=15079, Unknown=0, NotChecked=0, Total=20592 [2025-02-08 08:59:19,866 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 727 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 727 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 1246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:19,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [727 Valid, 67 Invalid, 1246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 08:59:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2025-02-08 08:59:19,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 192. [2025-02-08 08:59:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 190 states have (on average 1.1) internal successors, (209), 191 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 209 transitions. [2025-02-08 08:59:19,946 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 209 transitions. Word has length 59 [2025-02-08 08:59:19,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:19,946 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 209 transitions. [2025-02-08 08:59:19,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 52 states have (on average 3.3653846153846154) internal successors, (175), 53 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 209 transitions. [2025-02-08 08:59:19,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-08 08:59:19,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:19,947 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 3, 1, 1, 1] [2025-02-08 08:59:19,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:20,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:20,147 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:20,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1973330073, now seen corresponding path program 6 times [2025-02-08 08:59:20,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:20,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478610960] [2025-02-08 08:59:20,148 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 08:59:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:20,151 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 61 statements into 11 equivalence classes. [2025-02-08 08:59:20,156 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 08:59:20,156 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-02-08 08:59:20,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:20,334 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:20,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:20,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478610960] [2025-02-08 08:59:20,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478610960] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:20,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279464482] [2025-02-08 08:59:20,335 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 08:59:20,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:20,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:20,337 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:20,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 08:59:20,354 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 61 statements into 11 equivalence classes. [2025-02-08 08:59:20,365 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 61 of 61 statements. [2025-02-08 08:59:20,365 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-02-08 08:59:20,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:20,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 08:59:20,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:20,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:20,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279464482] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:20,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:20,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 15] total 49 [2025-02-08 08:59:20,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869099025] [2025-02-08 08:59:20,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:20,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-02-08 08:59:20,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:20,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-02-08 08:59:20,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=542, Invalid=1908, Unknown=0, NotChecked=0, Total=2450 [2025-02-08 08:59:20,905 INFO L87 Difference]: Start difference. First operand 192 states and 209 transitions. Second operand has 50 states, 49 states have (on average 3.693877551020408) internal successors, (181), 50 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:22,525 INFO L93 Difference]: Finished difference Result 422 states and 448 transitions. [2025-02-08 08:59:22,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2025-02-08 08:59:22,526 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 3.693877551020408) internal successors, (181), 50 states have internal predecessors, (181), 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 61 [2025-02-08 08:59:22,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:22,527 INFO L225 Difference]: With dead ends: 422 [2025-02-08 08:59:22,527 INFO L226 Difference]: Without dead ends: 421 [2025-02-08 08:59:22,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6612 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=4689, Invalid=12603, Unknown=0, NotChecked=0, Total=17292 [2025-02-08 08:59:22,528 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 728 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:22,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 57 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 08:59:22,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2025-02-08 08:59:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 182. [2025-02-08 08:59:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 180 states have (on average 1.1166666666666667) internal successors, (201), 181 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 201 transitions. [2025-02-08 08:59:22,603 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 201 transitions. Word has length 61 [2025-02-08 08:59:22,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:22,603 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 201 transitions. [2025-02-08 08:59:22,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.693877551020408) internal successors, (181), 50 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:22,603 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 201 transitions. [2025-02-08 08:59:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 08:59:22,603 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:22,603 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 4, 1, 1, 1] [2025-02-08 08:59:22,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:22,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:22,804 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:22,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash 780798946, now seen corresponding path program 7 times [2025-02-08 08:59:22,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:22,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480068948] [2025-02-08 08:59:22,805 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 08:59:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:22,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 08:59:22,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 08:59:22,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:22,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:23,103 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:23,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:23,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480068948] [2025-02-08 08:59:23,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480068948] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:23,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745754146] [2025-02-08 08:59:23,103 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 08:59:23,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:23,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:23,106 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:23,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 08:59:23,124 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 08:59:23,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 08:59:23,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:59:23,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:23,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 08:59:23,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:23,520 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:23,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:23,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745754146] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:23,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:23,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 19, 19] total 64 [2025-02-08 08:59:23,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942190079] [2025-02-08 08:59:23,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:23,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-02-08 08:59:23,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:23,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-02-08 08:59:23,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=3289, Unknown=0, NotChecked=0, Total=4160 [2025-02-08 08:59:23,857 INFO L87 Difference]: Start difference. First operand 182 states and 201 transitions. Second operand has 65 states, 64 states have (on average 3.578125) internal successors, (229), 65 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:26,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:26,914 INFO L93 Difference]: Finished difference Result 606 states and 646 transitions. [2025-02-08 08:59:26,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2025-02-08 08:59:26,914 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 3.578125) internal successors, (229), 65 states have internal predecessors, (229), 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 77 [2025-02-08 08:59:26,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:26,916 INFO L225 Difference]: With dead ends: 606 [2025-02-08 08:59:26,916 INFO L226 Difference]: Without dead ends: 605 [2025-02-08 08:59:26,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15092 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=9942, Invalid=27888, Unknown=0, NotChecked=0, Total=37830 [2025-02-08 08:59:26,919 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 1302 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 897 mSolverCounterSat, 341 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1302 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 341 IncrementalHoareTripleChecker+Valid, 897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:26,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1302 Valid, 60 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [341 Valid, 897 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 08:59:26,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-02-08 08:59:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 208. [2025-02-08 08:59:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 206 states have (on average 1.145631067961165) internal successors, (236), 207 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:27,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 236 transitions. [2025-02-08 08:59:27,004 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 236 transitions. Word has length 77 [2025-02-08 08:59:27,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:27,004 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 236 transitions. [2025-02-08 08:59:27,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.578125) internal successors, (229), 65 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 236 transitions. [2025-02-08 08:59:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 08:59:27,005 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:27,005 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 1, 1, 1, 1, 1, 1] [2025-02-08 08:59:27,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:27,208 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:27,209 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:27,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1850350746, now seen corresponding path program 3 times [2025-02-08 08:59:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:27,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300291560] [2025-02-08 08:59:27,209 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:27,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:27,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 78 statements into 15 equivalence classes. [2025-02-08 08:59:27,218 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 08:59:27,219 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 08:59:27,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:27,346 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:27,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300291560] [2025-02-08 08:59:27,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300291560] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:27,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036473893] [2025-02-08 08:59:27,346 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:27,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:27,348 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:27,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 08:59:27,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 78 statements into 15 equivalence classes. [2025-02-08 08:59:27,377 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 08:59:27,377 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 08:59:27,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:27,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 08:59:27,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:27,439 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:27,440 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 497 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:27,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036473893] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:27,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:27,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2025-02-08 08:59:27,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052465258] [2025-02-08 08:59:27,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:27,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 08:59:27,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:27,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 08:59:27,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-08 08:59:27,668 INFO L87 Difference]: Start difference. First operand 208 states and 236 transitions. Second operand has 32 states, 31 states have (on average 5.0) internal successors, (155), 32 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:28,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:28,405 INFO L93 Difference]: Finished difference Result 910 states and 982 transitions. [2025-02-08 08:59:28,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-08 08:59:28,409 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 5.0) internal successors, (155), 32 states have internal predecessors, (155), 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 78 [2025-02-08 08:59:28,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:28,411 INFO L225 Difference]: With dead ends: 910 [2025-02-08 08:59:28,411 INFO L226 Difference]: Without dead ends: 909 [2025-02-08 08:59:28,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2025-02-08 08:59:28,411 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 386 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:28,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 159 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:59:28,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2025-02-08 08:59:28,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 260. [2025-02-08 08:59:28,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 258 states have (on average 1.1356589147286822) internal successors, (293), 259 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:28,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 293 transitions. [2025-02-08 08:59:28,524 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 293 transitions. Word has length 78 [2025-02-08 08:59:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:28,524 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 293 transitions. [2025-02-08 08:59:28,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 5.0) internal successors, (155), 32 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:28,524 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 293 transitions. [2025-02-08 08:59:28,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-08 08:59:28,525 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:28,525 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1, 1] [2025-02-08 08:59:28,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 08:59:28,725 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,SelfDestructingSolverStorable22 [2025-02-08 08:59:28,727 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:28,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:28,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1754206069, now seen corresponding path program 3 times [2025-02-08 08:59:28,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:28,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389158469] [2025-02-08 08:59:28,728 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:28,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:28,732 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 15 equivalence classes. [2025-02-08 08:59:28,766 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 08:59:28,773 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 08:59:28,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:29,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:29,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389158469] [2025-02-08 08:59:29,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389158469] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:29,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63107836] [2025-02-08 08:59:29,169 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:29,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:29,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:29,171 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:29,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 08:59:29,186 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 92 statements into 15 equivalence classes. [2025-02-08 08:59:29,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 92 of 92 statements. [2025-02-08 08:59:29,204 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 08:59:29,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:29,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-02-08 08:59:29,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:30,016 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:30,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [63107836] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:30,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:30,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 91 [2025-02-08 08:59:30,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308875251] [2025-02-08 08:59:30,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:30,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-02-08 08:59:30,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:30,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-02-08 08:59:30,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1637, Invalid=6735, Unknown=0, NotChecked=0, Total=8372 [2025-02-08 08:59:30,822 INFO L87 Difference]: Start difference. First operand 260 states and 293 transitions. Second operand has 92 states, 91 states have (on average 3.010989010989011) internal successors, (274), 92 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:35,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:35,917 INFO L93 Difference]: Finished difference Result 651 states and 699 transitions. [2025-02-08 08:59:35,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-02-08 08:59:35,918 INFO L78 Accepts]: Start accepts. Automaton has has 92 states, 91 states have (on average 3.010989010989011) internal successors, (274), 92 states have internal predecessors, (274), 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 92 [2025-02-08 08:59:35,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:35,919 INFO L225 Difference]: With dead ends: 651 [2025-02-08 08:59:35,919 INFO L226 Difference]: Without dead ends: 650 [2025-02-08 08:59:35,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10594 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=8689, Invalid=21761, Unknown=0, NotChecked=0, Total=30450 [2025-02-08 08:59:35,921 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 610 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 3248 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 3248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:35,921 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 184 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 3248 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 08:59:35,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2025-02-08 08:59:36,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 356. [2025-02-08 08:59:36,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 354 states have (on average 1.0988700564971752) internal successors, (389), 355 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:36,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 389 transitions. [2025-02-08 08:59:36,133 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 389 transitions. Word has length 92 [2025-02-08 08:59:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:36,134 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 389 transitions. [2025-02-08 08:59:36,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 91 states have (on average 3.010989010989011) internal successors, (274), 92 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 389 transitions. [2025-02-08 08:59:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 08:59:36,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:36,134 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 5, 1, 1, 1] [2025-02-08 08:59:36,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 08:59:36,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-08 08:59:36,335 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:36,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:36,335 INFO L85 PathProgramCache]: Analyzing trace with hash -634523619, now seen corresponding path program 8 times [2025-02-08 08:59:36,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:36,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134192951] [2025-02-08 08:59:36,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:36,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:36,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-02-08 08:59:36,343 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 08:59:36,343 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:36,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:36,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:36,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134192951] [2025-02-08 08:59:36,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134192951] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:36,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899638121] [2025-02-08 08:59:36,668 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:59:36,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:36,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:36,670 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:36,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 08:59:36,686 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 93 statements into 2 equivalence classes. [2025-02-08 08:59:36,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 08:59:36,698 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:59:36,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:36,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 08:59:36,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:37,165 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:37,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899638121] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:37,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:37,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 23, 23] total 78 [2025-02-08 08:59:37,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237998813] [2025-02-08 08:59:37,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:37,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2025-02-08 08:59:37,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:37,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2025-02-08 08:59:37,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=4902, Unknown=0, NotChecked=0, Total=6162 [2025-02-08 08:59:37,633 INFO L87 Difference]: Start difference. First operand 356 states and 389 transitions. Second operand has 79 states, 78 states have (on average 3.551282051282051) internal successors, (277), 79 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:43,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:43,168 INFO L93 Difference]: Finished difference Result 1042 states and 1089 transitions. [2025-02-08 08:59:43,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2025-02-08 08:59:43,168 INFO L78 Accepts]: Start accepts. Automaton has has 79 states, 78 states have (on average 3.551282051282051) internal successors, (277), 79 states have internal predecessors, (277), 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 [2025-02-08 08:59:43,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:43,171 INFO L225 Difference]: With dead ends: 1042 [2025-02-08 08:59:43,171 INFO L226 Difference]: Without dead ends: 1041 [2025-02-08 08:59:43,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27602 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=17295, Invalid=50045, Unknown=0, NotChecked=0, Total=67340 [2025-02-08 08:59:43,173 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 2063 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 1044 mSolverCounterSat, 580 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2063 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 580 IncrementalHoareTripleChecker+Valid, 1044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:43,173 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2063 Valid, 73 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [580 Valid, 1044 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 08:59:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1041 states. [2025-02-08 08:59:43,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1041 to 362. [2025-02-08 08:59:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 360 states have (on average 1.1) internal successors, (396), 361 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:43,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 396 transitions. [2025-02-08 08:59:43,421 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 396 transitions. Word has length 93 [2025-02-08 08:59:43,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:43,421 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 396 transitions. [2025-02-08 08:59:43,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 78 states have (on average 3.551282051282051) internal successors, (277), 79 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 396 transitions. [2025-02-08 08:59:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 08:59:43,422 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:43,422 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 5, 5, 5, 5, 5, 1, 1, 1] [2025-02-08 08:59:43,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 08:59:43,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:43,626 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:43,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash -574605446, now seen corresponding path program 9 times [2025-02-08 08:59:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:43,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119108153] [2025-02-08 08:59:43,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:43,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:43,629 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 105 statements into 13 equivalence classes. [2025-02-08 08:59:43,642 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 08:59:43,642 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-08 08:59:43,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 583 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:44,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:44,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119108153] [2025-02-08 08:59:44,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119108153] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:44,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778161543] [2025-02-08 08:59:44,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:59:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:44,048 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:44,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 08:59:44,064 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 105 statements into 13 equivalence classes. [2025-02-08 08:59:44,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 08:59:44,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-08 08:59:44,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:44,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 08:59:44,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 583 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:44,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 583 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:45,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778161543] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:45,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:45,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 31, 31] total 96 [2025-02-08 08:59:45,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190845365] [2025-02-08 08:59:45,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:45,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-02-08 08:59:45,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:45,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-02-08 08:59:45,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1682, Invalid=7630, Unknown=0, NotChecked=0, Total=9312 [2025-02-08 08:59:45,644 INFO L87 Difference]: Start difference. First operand 362 states and 396 transitions. Second operand has 97 states, 96 states have (on average 3.2604166666666665) internal successors, (313), 97 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:59:56,346 INFO L93 Difference]: Finished difference Result 1308 states and 1368 transitions. [2025-02-08 08:59:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2025-02-08 08:59:56,347 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 96 states have (on average 3.2604166666666665) internal successors, (313), 97 states have internal predecessors, (313), 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 105 [2025-02-08 08:59:56,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:59:56,350 INFO L225 Difference]: With dead ends: 1308 [2025-02-08 08:59:56,350 INFO L226 Difference]: Without dead ends: 1307 [2025-02-08 08:59:56,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 342 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50797 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=31958, Invalid=86034, Unknown=0, NotChecked=0, Total=117992 [2025-02-08 08:59:56,354 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2544 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 2271 mSolverCounterSat, 575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2544 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 575 IncrementalHoareTripleChecker+Valid, 2271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 08:59:56,354 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2544 Valid, 120 Invalid, 2846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [575 Valid, 2271 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 08:59:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1307 states. [2025-02-08 08:59:56,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1307 to 362. [2025-02-08 08:59:56,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 360 states have (on average 1.1) internal successors, (396), 361 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:56,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 396 transitions. [2025-02-08 08:59:56,638 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 396 transitions. Word has length 105 [2025-02-08 08:59:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:59:56,638 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 396 transitions. [2025-02-08 08:59:56,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 96 states have (on average 3.2604166666666665) internal successors, (313), 97 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:59:56,638 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 396 transitions. [2025-02-08 08:59:56,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 08:59:56,639 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:59:56,639 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2025-02-08 08:59:56,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 08:59:56,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:56,839 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 08:59:56,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:59:56,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1795933160, now seen corresponding path program 10 times [2025-02-08 08:59:56,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:59:56,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349692059] [2025-02-08 08:59:56,840 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:59:56,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:59:56,843 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 109 statements into 2 equivalence classes. [2025-02-08 08:59:56,849 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 08:59:56,849 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:59:56,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 607 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:57,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:59:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349692059] [2025-02-08 08:59:57,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349692059] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:59:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564336615] [2025-02-08 08:59:57,261 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 08:59:57,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:59:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:59:57,263 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 08:59:57,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 08:59:57,280 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 109 statements into 2 equivalence classes. [2025-02-08 08:59:57,293 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 08:59:57,293 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 08:59:57,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:59:57,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-02-08 08:59:57,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:59:58,043 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 607 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:58,043 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:59:59,051 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 0 proven. 607 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:59:59,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564336615] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:59:59,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:59:59,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 118 [2025-02-08 08:59:59,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064138699] [2025-02-08 08:59:59,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:59:59,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2025-02-08 08:59:59,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:59:59,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2025-02-08 08:59:59,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2779, Invalid=11263, Unknown=0, NotChecked=0, Total=14042 [2025-02-08 08:59:59,053 INFO L87 Difference]: Start difference. First operand 362 states and 396 transitions. Second operand has 119 states, 118 states have (on average 2.7542372881355934) internal successors, (325), 119 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:00:29,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:00:29,417 INFO L93 Difference]: Finished difference Result 2386 states and 2477 transitions. [2025-02-08 09:00:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 587 states. [2025-02-08 09:00:29,418 INFO L78 Accepts]: Start accepts. Automaton has has 119 states, 118 states have (on average 2.7542372881355934) internal successors, (325), 119 states have internal predecessors, (325), 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 [2025-02-08 09:00:29,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:00:29,422 INFO L225 Difference]: With dead ends: 2386 [2025-02-08 09:00:29,422 INFO L226 Difference]: Without dead ends: 2385 [2025-02-08 09:00:29,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 823 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 683 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218027 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=94513, Invalid=374027, Unknown=0, NotChecked=0, Total=468540 [2025-02-08 09:00:29,436 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 7142 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 15418 mSolverCounterSat, 1806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7142 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 17224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1806 IncrementalHoareTripleChecker+Valid, 15418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:00:29,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7142 Valid, 5 Invalid, 17224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1806 Valid, 15418 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2025-02-08 09:00:29,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2025-02-08 09:00:29,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 388. [2025-02-08 09:00:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 386 states have (on average 1.1036269430051813) internal successors, (426), 387 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:00:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 426 transitions. [2025-02-08 09:00:29,779 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 426 transitions. Word has length 109 [2025-02-08 09:00:29,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:00:29,779 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 426 transitions. [2025-02-08 09:00:29,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 118 states have (on average 2.7542372881355934) internal successors, (325), 119 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:00:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 426 transitions. [2025-02-08 09:00:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-08 09:00:29,780 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:00:29,780 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 8, 8, 8, 8, 8, 7, 1, 1, 1] [2025-02-08 09:00:29,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:00:29,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:00:29,980 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:00:29,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:00:29,981 INFO L85 PathProgramCache]: Analyzing trace with hash -127918125, now seen corresponding path program 11 times [2025-02-08 09:00:29,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:00:29,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622361062] [2025-02-08 09:00:29,981 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:00:29,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:00:29,984 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 125 statements into 19 equivalence classes. [2025-02-08 09:00:29,997 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:00:29,997 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-02-08 09:00:29,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:00:30,487 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:00:30,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:00:30,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622361062] [2025-02-08 09:00:30,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622361062] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:00:30,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542229193] [2025-02-08 09:00:30,488 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:00:30,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:00:30,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:00:30,490 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:00:30,490 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:00:30,508 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 125 statements into 19 equivalence classes. [2025-02-08 09:00:30,530 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 125 of 125 statements. [2025-02-08 09:00:30,530 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-02-08 09:00:30,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:00:30,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-08 09:00:30,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:00:31,268 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:00:31,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:00:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 0 proven. 813 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:00:32,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542229193] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:00:32,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:00:32,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 31, 31] total 106 [2025-02-08 09:00:32,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511652971] [2025-02-08 09:00:32,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:00:32,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2025-02-08 09:00:32,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:00:32,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2025-02-08 09:00:32,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2251, Invalid=9091, Unknown=0, NotChecked=0, Total=11342 [2025-02-08 09:00:32,039 INFO L87 Difference]: Start difference. First operand 388 states and 426 transitions. Second operand has 107 states, 106 states have (on average 3.518867924528302) internal successors, (373), 107 states have internal predecessors, (373), 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)