./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:13:33,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:13:33,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:13:33,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:13:33,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:13:33,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:13:33,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:13:33,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:13:33,256 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:13:33,256 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:13:33,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:13:33,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:13:33,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:13:33,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:13:33,257 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:13:33,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:13:33,257 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:13:33,257 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:13:33,257 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:13:33,258 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:13:33,259 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:13:33,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:13:33,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:13:33,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:13:33,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:13:33,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:13:33,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:13:33,260 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1619c1c02ba7c9b660af32e6427e3b3d5cd6ca3ff286b9db386918ae0c8b508c [2025-02-06 14:13:33,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:13:33,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:13:33,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:13:33,512 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:13:33,513 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:13:33,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2025-02-06 14:13:34,701 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/033f33619/b2434d43ef7f4e59aa19d391bccde3b9/FLAG76d158198 [2025-02-06 14:13:34,989 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:13:34,990 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2025-02-06 14:13:34,997 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/033f33619/b2434d43ef7f4e59aa19d391bccde3b9/FLAG76d158198 [2025-02-06 14:13:35,014 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/033f33619/b2434d43ef7f4e59aa19d391bccde3b9 [2025-02-06 14:13:35,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:13:35,016 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:13:35,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:13:35,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:13:35,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:13:35,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb795c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35, skipping insertion in model container [2025-02-06 14:13:35,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,034 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:13:35,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:13:35,171 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:13:35,186 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:13:35,200 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:13:35,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35 WrapperNode [2025-02-06 14:13:35,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:13:35,202 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:13:35,202 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:13:35,202 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:13:35,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,229 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2025-02-06 14:13:35,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:13:35,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:13:35,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:13:35,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:13:35,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,238 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,251 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-02-06 14:13:35,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:13:35,258 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:13:35,258 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:13:35,258 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:13:35,262 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (1/1) ... [2025-02-06 14:13:35,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:13:35,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:35,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:13:35,294 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:13:35,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:13:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:13:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 14:13:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:13:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:13:35,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:13:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:13:35,356 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:13:35,357 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:13:35,505 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2025-02-06 14:13:35,505 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:13:35,515 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:13:35,515 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:13:35,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:13:35 BoogieIcfgContainer [2025-02-06 14:13:35,516 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:13:35,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:13:35,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:13:35,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:13:35,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:13:35" (1/3) ... [2025-02-06 14:13:35,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d224afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:13:35, skipping insertion in model container [2025-02-06 14:13:35,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:13:35" (2/3) ... [2025-02-06 14:13:35,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d224afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:13:35, skipping insertion in model container [2025-02-06 14:13:35,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:13:35" (3/3) ... [2025-02-06 14:13:35,522 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_valuebound20.c [2025-02-06 14:13:35,531 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:13:35,532 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_valuebound20.c that has 2 procedures, 74 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-02-06 14:13:35,583 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:13:35,602 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;@6cc38921, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:13:35,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-02-06 14:13:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 65 states have internal predecessors, (72), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:13:35,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 14:13:35,611 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:35,612 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:35,612 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:35,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:35,617 INFO L85 PathProgramCache]: Analyzing trace with hash -977917024, now seen corresponding path program 1 times [2025-02-06 14:13:35,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:35,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177898425] [2025-02-06 14:13:35,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:35,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:35,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 14:13:35,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 14:13:35,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:35,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:35,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:13:35,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:35,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177898425] [2025-02-06 14:13:35,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177898425] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:35,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:35,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:13:35,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802791618] [2025-02-06 14:13:35,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:35,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:13:35,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:35,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:13:35,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:13:35,739 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 65 states have internal predecessors, (72), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:13:35,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:35,758 INFO L93 Difference]: Finished difference Result 144 states and 174 transitions. [2025-02-06 14:13:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:13:35,759 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 14:13:35,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:35,763 INFO L225 Difference]: With dead ends: 144 [2025-02-06 14:13:35,764 INFO L226 Difference]: Without dead ends: 66 [2025-02-06 14:13:35,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:13:35,769 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:35,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:13:35,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-02-06 14:13:35,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-02-06 14:13:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:13:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2025-02-06 14:13:35,804 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 7 [2025-02-06 14:13:35,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:35,805 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2025-02-06 14:13:35,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:13:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2025-02-06 14:13:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 14:13:35,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:35,806 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:35,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:13:35,806 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:35,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:35,808 INFO L85 PathProgramCache]: Analyzing trace with hash 873740319, now seen corresponding path program 1 times [2025-02-06 14:13:35,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:35,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410567193] [2025-02-06 14:13:35,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:35,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:35,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 14:13:35,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 14:13:35,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:35,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:35,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [699758791] [2025-02-06 14:13:35,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:35,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:35,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:35,841 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:35,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:13:35,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 14:13:35,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 14:13:35,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:35,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:35,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:13:35,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:13:35,961 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:35,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:35,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410567193] [2025-02-06 14:13:35,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:35,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699758791] [2025-02-06 14:13:35,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699758791] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:35,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:35,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:13:35,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351948784] [2025-02-06 14:13:35,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:35,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:13:35,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:35,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:13:35,964 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:13:35,964 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:13:36,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:36,027 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2025-02-06 14:13:36,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:13:36,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-06 14:13:36,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:36,028 INFO L225 Difference]: With dead ends: 138 [2025-02-06 14:13:36,028 INFO L226 Difference]: Without dead ends: 89 [2025-02-06 14:13:36,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:13:36,029 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:36,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 97 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:36,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-02-06 14:13:36,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2025-02-06 14:13:36,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.6346153846153846) internal successors, (85), 75 states have internal predecessors, (85), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:13:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2025-02-06 14:13:36,040 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 16 [2025-02-06 14:13:36,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:36,041 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2025-02-06 14:13:36,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:13:36,041 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2025-02-06 14:13:36,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 14:13:36,044 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:36,044 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:36,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:13:36,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:36,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:36,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:36,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1237872033, now seen corresponding path program 1 times [2025-02-06 14:13:36,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:36,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783199739] [2025-02-06 14:13:36,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:36,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:36,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:13:36,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:13:36,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:36,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:13:36,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:36,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783199739] [2025-02-06 14:13:36,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783199739] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:36,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:36,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:13:36,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428064071] [2025-02-06 14:13:36,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:36,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:13:36,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:36,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:13:36,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:13:36,396 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:36,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:36,455 INFO L93 Difference]: Finished difference Result 97 states and 112 transitions. [2025-02-06 14:13:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:13:36,455 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-02-06 14:13:36,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:36,456 INFO L225 Difference]: With dead ends: 97 [2025-02-06 14:13:36,456 INFO L226 Difference]: Without dead ends: 95 [2025-02-06 14:13:36,456 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 [2025-02-06 14:13:36,456 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 17 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:36,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 108 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-02-06 14:13:36,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 87. [2025-02-06 14:13:36,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 75 states have internal predecessors, (83), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:13:36,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2025-02-06 14:13:36,463 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2025-02-06 14:13:36,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:36,463 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2025-02-06 14:13:36,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:36,463 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2025-02-06 14:13:36,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 14:13:36,463 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:36,463 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:36,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:13:36,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:36,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:36,464 INFO L85 PathProgramCache]: Analyzing trace with hash -280673835, now seen corresponding path program 1 times [2025-02-06 14:13:36,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:36,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887308075] [2025-02-06 14:13:36,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:36,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:36,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 14:13:36,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 14:13:36,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:36,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:36,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [102904683] [2025-02-06 14:13:36,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:36,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:36,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:36,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:36,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:13:36,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 14:13:36,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 14:13:36,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:36,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:36,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:13:36,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:13:36,529 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:36,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:36,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887308075] [2025-02-06 14:13:36,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:36,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102904683] [2025-02-06 14:13:36,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102904683] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:36,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:36,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:13:36,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701676803] [2025-02-06 14:13:36,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:36,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:13:36,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:36,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:13:36,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:13:36,531 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:36,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:36,570 INFO L93 Difference]: Finished difference Result 122 states and 147 transitions. [2025-02-06 14:13:36,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:13:36,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-02-06 14:13:36,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:36,571 INFO L225 Difference]: With dead ends: 122 [2025-02-06 14:13:36,571 INFO L226 Difference]: Without dead ends: 118 [2025-02-06 14:13:36,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:13:36,572 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:36,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 90 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:13:36,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-06 14:13:36,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 104. [2025-02-06 14:13:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5820895522388059) internal successors, (106), 90 states have internal predecessors, (106), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:13:36,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 130 transitions. [2025-02-06 14:13:36,580 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 130 transitions. Word has length 25 [2025-02-06 14:13:36,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:36,580 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 130 transitions. [2025-02-06 14:13:36,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:36,581 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 130 transitions. [2025-02-06 14:13:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 14:13:36,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:36,581 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:36,587 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:13:36,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:36,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:36,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:36,782 INFO L85 PathProgramCache]: Analyzing trace with hash 855384627, now seen corresponding path program 1 times [2025-02-06 14:13:36,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:36,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848148733] [2025-02-06 14:13:36,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:36,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:36,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 14:13:36,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 14:13:36,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:36,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:36,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:13:36,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:36,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848148733] [2025-02-06 14:13:36,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848148733] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:36,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:36,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:13:36,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181387266] [2025-02-06 14:13:36,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:36,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:13:36,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:36,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:13:36,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:36,974 INFO L87 Difference]: Start difference. First operand 104 states and 130 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:13:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:37,160 INFO L93 Difference]: Finished difference Result 120 states and 144 transitions. [2025-02-06 14:13:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:13:37,160 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 27 [2025-02-06 14:13:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:37,161 INFO L225 Difference]: With dead ends: 120 [2025-02-06 14:13:37,161 INFO L226 Difference]: Without dead ends: 119 [2025-02-06 14:13:37,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:13:37,162 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 225 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:37,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 110 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:37,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-06 14:13:37,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 108. [2025-02-06 14:13:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 71 states have (on average 1.5492957746478873) internal successors, (110), 94 states have internal predecessors, (110), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:13:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 134 transitions. [2025-02-06 14:13:37,179 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 134 transitions. Word has length 27 [2025-02-06 14:13:37,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:37,180 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 134 transitions. [2025-02-06 14:13:37,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:13:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 134 transitions. [2025-02-06 14:13:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 14:13:37,181 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:37,181 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:37,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:13:37,181 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:37,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:37,182 INFO L85 PathProgramCache]: Analyzing trace with hash 747119670, now seen corresponding path program 1 times [2025-02-06 14:13:37,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:37,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361442520] [2025-02-06 14:13:37,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:37,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:37,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 14:13:37,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 14:13:37,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:37,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:13:37,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:37,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361442520] [2025-02-06 14:13:37,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361442520] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:37,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:37,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:13:37,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564025176] [2025-02-06 14:13:37,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:37,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:37,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:37,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:37,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:37,270 INFO L87 Difference]: Start difference. First operand 108 states and 134 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:37,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:37,452 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2025-02-06 14:13:37,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:13:37,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-02-06 14:13:37,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:37,453 INFO L225 Difference]: With dead ends: 120 [2025-02-06 14:13:37,453 INFO L226 Difference]: Without dead ends: 119 [2025-02-06 14:13:37,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:37,454 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 51 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:37,456 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 159 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:37,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-02-06 14:13:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2025-02-06 14:13:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 77 states have (on average 1.4935064935064934) internal successors, (115), 100 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:13:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2025-02-06 14:13:37,474 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 28 [2025-02-06 14:13:37,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:37,475 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2025-02-06 14:13:37,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:37,475 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2025-02-06 14:13:37,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:13:37,475 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:37,476 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:37,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 14:13:37,476 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:37,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:37,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1381914924, now seen corresponding path program 1 times [2025-02-06 14:13:37,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:37,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467259405] [2025-02-06 14:13:37,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:37,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:37,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:13:37,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:13:37,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:37,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:37,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261742926] [2025-02-06 14:13:37,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:37,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:37,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:37,497 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:37,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:13:37,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:13:37,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:13:37,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:37,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:37,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:13:37,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:13:37,665 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:37,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:37,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467259405] [2025-02-06 14:13:37,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:37,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261742926] [2025-02-06 14:13:37,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261742926] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:37,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:37,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:13:37,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346781635] [2025-02-06 14:13:37,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:37,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:13:37,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:37,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:13:37,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:13:37,668 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:37,799 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2025-02-06 14:13:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:13:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2025-02-06 14:13:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:37,801 INFO L225 Difference]: With dead ends: 125 [2025-02-06 14:13:37,801 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 14:13:37,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:13:37,802 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 38 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:37,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 14:13:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-06 14:13:37,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 80 states have (on average 1.4125) internal successors, (113), 99 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-06 14:13:37,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 141 transitions. [2025-02-06 14:13:37,811 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 141 transitions. Word has length 39 [2025-02-06 14:13:37,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:37,811 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 141 transitions. [2025-02-06 14:13:37,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:37,812 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2025-02-06 14:13:37,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:13:37,812 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:37,812 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:37,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:38,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:38,013 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:38,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:38,014 INFO L85 PathProgramCache]: Analyzing trace with hash 110310346, now seen corresponding path program 1 times [2025-02-06 14:13:38,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:38,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563309722] [2025-02-06 14:13:38,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:38,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:38,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:13:38,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:13:38,031 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:38,031 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:38,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [717926149] [2025-02-06 14:13:38,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:38,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:38,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:38,035 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:38,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:13:38,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:13:38,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:13:38,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:38,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:38,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:13:38,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:13:38,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:38,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:38,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563309722] [2025-02-06 14:13:38,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:38,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717926149] [2025-02-06 14:13:38,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717926149] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:38,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:38,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-06 14:13:38,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369701998] [2025-02-06 14:13:38,349 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:38,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:13:38,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:38,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:13:38,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:13:38,350 INFO L87 Difference]: Start difference. First operand 115 states and 141 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:38,454 INFO L93 Difference]: Finished difference Result 191 states and 246 transitions. [2025-02-06 14:13:38,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:13:38,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2025-02-06 14:13:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:38,456 INFO L225 Difference]: With dead ends: 191 [2025-02-06 14:13:38,456 INFO L226 Difference]: Without dead ends: 187 [2025-02-06 14:13:38,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:13:38,456 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 43 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:38,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 125 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:38,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-06 14:13:38,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 175. [2025-02-06 14:13:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 14:13:38,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2025-02-06 14:13:38,470 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 40 [2025-02-06 14:13:38,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:38,470 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2025-02-06 14:13:38,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:38,470 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2025-02-06 14:13:38,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:13:38,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:38,471 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:38,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 14:13:38,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-06 14:13:38,672 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:38,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:38,673 INFO L85 PathProgramCache]: Analyzing trace with hash 638507454, now seen corresponding path program 1 times [2025-02-06 14:13:38,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:38,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613971641] [2025-02-06 14:13:38,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:38,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:38,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:13:38,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:13:38,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:38,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:38,821 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:13:38,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:38,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613971641] [2025-02-06 14:13:38,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613971641] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:38,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:38,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:13:38,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869726445] [2025-02-06 14:13:38,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:38,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:13:38,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:38,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:13:38,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:38,823 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:38,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:38,939 INFO L93 Difference]: Finished difference Result 187 states and 244 transitions. [2025-02-06 14:13:38,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:13:38,940 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2025-02-06 14:13:38,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:38,941 INFO L225 Difference]: With dead ends: 187 [2025-02-06 14:13:38,941 INFO L226 Difference]: Without dead ends: 186 [2025-02-06 14:13:38,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:13:38,942 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 197 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:38,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 117 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:38,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-06 14:13:38,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 176. [2025-02-06 14:13:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 132 states have (on average 1.4166666666666667) internal successors, (187), 151 states have internal predecessors, (187), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 14:13:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 233 transitions. [2025-02-06 14:13:38,956 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 233 transitions. Word has length 44 [2025-02-06 14:13:38,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:38,956 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 233 transitions. [2025-02-06 14:13:38,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 233 transitions. [2025-02-06 14:13:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:13:38,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:38,957 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:38,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 14:13:38,957 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:38,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:38,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1681105431, now seen corresponding path program 1 times [2025-02-06 14:13:38,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:38,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330132515] [2025-02-06 14:13:38,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:38,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:38,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:13:38,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:13:38,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:38,965 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:39,021 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:13:39,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:39,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330132515] [2025-02-06 14:13:39,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330132515] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:39,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:39,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:13:39,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546943240] [2025-02-06 14:13:39,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:39,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:39,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:39,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:39,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:39,022 INFO L87 Difference]: Start difference. First operand 176 states and 233 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:39,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:39,130 INFO L93 Difference]: Finished difference Result 181 states and 237 transitions. [2025-02-06 14:13:39,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:13:39,131 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-06 14:13:39,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:39,132 INFO L225 Difference]: With dead ends: 181 [2025-02-06 14:13:39,132 INFO L226 Difference]: Without dead ends: 166 [2025-02-06 14:13:39,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:13:39,133 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 4 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:39,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 164 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:39,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-02-06 14:13:39,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2025-02-06 14:13:39,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 124 states have (on average 1.435483870967742) internal successors, (178), 143 states have internal predecessors, (178), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 14:13:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 220 transitions. [2025-02-06 14:13:39,157 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 220 transitions. Word has length 45 [2025-02-06 14:13:39,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:39,157 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 220 transitions. [2025-02-06 14:13:39,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 14:13:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 220 transitions. [2025-02-06 14:13:39,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:13:39,158 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:39,158 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:39,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 14:13:39,158 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:39,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:39,159 INFO L85 PathProgramCache]: Analyzing trace with hash 577394518, now seen corresponding path program 1 times [2025-02-06 14:13:39,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:39,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862414419] [2025-02-06 14:13:39,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:39,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:39,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:13:39,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:13:39,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:39,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:13:39,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:39,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862414419] [2025-02-06 14:13:39,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862414419] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:39,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251916806] [2025-02-06 14:13:39,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:39,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:39,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:39,200 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:39,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:13:39,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:13:39,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:13:39,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:39,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:39,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:13:39,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:39,266 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:13:39,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:39,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251916806] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:39,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:39,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 14:13:39,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79793524] [2025-02-06 14:13:39,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:39,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:13:39,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:39,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:13:39,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:39,268 INFO L87 Difference]: Start difference. First operand 166 states and 220 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:13:39,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:39,332 INFO L93 Difference]: Finished difference Result 250 states and 341 transitions. [2025-02-06 14:13:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:13:39,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2025-02-06 14:13:39,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:39,333 INFO L225 Difference]: With dead ends: 250 [2025-02-06 14:13:39,333 INFO L226 Difference]: Without dead ends: 248 [2025-02-06 14:13:39,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:39,334 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 58 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:39,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 115 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:13:39,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2025-02-06 14:13:39,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 227. [2025-02-06 14:13:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 178 states have (on average 1.4438202247191012) internal successors, (257), 196 states have internal predecessors, (257), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-06 14:13:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 315 transitions. [2025-02-06 14:13:39,346 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 315 transitions. Word has length 47 [2025-02-06 14:13:39,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:39,346 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 315 transitions. [2025-02-06 14:13:39,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:13:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 315 transitions. [2025-02-06 14:13:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:13:39,347 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:39,347 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:39,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:13:39,548 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,SelfDestructingSolverStorable10 [2025-02-06 14:13:39,548 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:39,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:39,549 INFO L85 PathProgramCache]: Analyzing trace with hash 719360897, now seen corresponding path program 1 times [2025-02-06 14:13:39,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:39,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974690944] [2025-02-06 14:13:39,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:39,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:39,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:13:39,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:13:39,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:39,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:13:39,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:39,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974690944] [2025-02-06 14:13:39,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974690944] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:39,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301748454] [2025-02-06 14:13:39,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:39,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:39,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:39,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:39,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:13:39,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:13:39,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:13:39,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:39,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:39,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:13:39,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:39,655 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:13:39,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:39,698 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:13:39,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301748454] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:39,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:39,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 14:13:39,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767814369] [2025-02-06 14:13:39,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:39,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:13:39,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:39,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:13:39,699 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:39,700 INFO L87 Difference]: Start difference. First operand 227 states and 315 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-06 14:13:39,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:39,837 INFO L93 Difference]: Finished difference Result 375 states and 514 transitions. [2025-02-06 14:13:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:13:39,838 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 48 [2025-02-06 14:13:39,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:39,840 INFO L225 Difference]: With dead ends: 375 [2025-02-06 14:13:39,840 INFO L226 Difference]: Without dead ends: 373 [2025-02-06 14:13:39,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:39,840 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 102 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:39,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 232 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:39,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-02-06 14:13:39,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 327. [2025-02-06 14:13:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 262 states have (on average 1.4427480916030535) internal successors, (378), 280 states have internal predecessors, (378), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 468 transitions. [2025-02-06 14:13:39,860 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 468 transitions. Word has length 48 [2025-02-06 14:13:39,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:39,860 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 468 transitions. [2025-02-06 14:13:39,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-06 14:13:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 468 transitions. [2025-02-06 14:13:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 14:13:39,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:39,861 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:39,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:13:40,066 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,SelfDestructingSolverStorable11 [2025-02-06 14:13:40,066 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:40,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:40,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1442567317, now seen corresponding path program 1 times [2025-02-06 14:13:40,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:40,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121221797] [2025-02-06 14:13:40,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:40,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:40,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:13:40,089 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:13:40,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:40,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:40,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1341461525] [2025-02-06 14:13:40,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:40,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:40,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:40,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:40,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:13:40,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:13:40,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:13:40,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:40,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:40,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:13:40,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:40,249 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-06 14:13:40,250 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:40,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:40,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121221797] [2025-02-06 14:13:40,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:40,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341461525] [2025-02-06 14:13:40,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341461525] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:40,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:40,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:13:40,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103873066] [2025-02-06 14:13:40,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:40,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:13:40,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:40,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:13:40,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:13:40,252 INFO L87 Difference]: Start difference. First operand 327 states and 468 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:40,399 INFO L93 Difference]: Finished difference Result 346 states and 493 transitions. [2025-02-06 14:13:40,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:13:40,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-02-06 14:13:40,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:40,402 INFO L225 Difference]: With dead ends: 346 [2025-02-06 14:13:40,402 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 14:13:40,403 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:40,404 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 100 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:40,404 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 85 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:40,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 14:13:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 324. [2025-02-06 14:13:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4131274131274132) internal successors, (366), 277 states have internal predecessors, (366), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 456 transitions. [2025-02-06 14:13:40,430 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 456 transitions. Word has length 51 [2025-02-06 14:13:40,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:40,430 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 456 transitions. [2025-02-06 14:13:40,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:13:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 456 transitions. [2025-02-06 14:13:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-06 14:13:40,432 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:40,432 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 14:13:40,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:40,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:40,633 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:40,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash 542970751, now seen corresponding path program 2 times [2025-02-06 14:13:40,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:40,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560577582] [2025-02-06 14:13:40,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:40,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:40,638 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-02-06 14:13:40,644 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 14:13:40,644 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:13:40,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:40,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954485428] [2025-02-06 14:13:40,644 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:40,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:40,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:40,646 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:40,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:13:40,668 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 63 statements into 2 equivalence classes. [2025-02-06 14:13:40,682 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 63 of 63 statements. [2025-02-06 14:13:40,682 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:13:40,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:40,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:13:40,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:40,812 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:40,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:40,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:40,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560577582] [2025-02-06 14:13:40,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:40,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954485428] [2025-02-06 14:13:40,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954485428] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:40,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:40,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:13:40,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959462576] [2025-02-06 14:13:40,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:40,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:40,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:40,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:40,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:40,930 INFO L87 Difference]: Start difference. First operand 324 states and 456 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:13:41,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:41,059 INFO L93 Difference]: Finished difference Result 419 states and 587 transitions. [2025-02-06 14:13:41,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:13:41,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 63 [2025-02-06 14:13:41,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:41,061 INFO L225 Difference]: With dead ends: 419 [2025-02-06 14:13:41,061 INFO L226 Difference]: Without dead ends: 415 [2025-02-06 14:13:41,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:41,061 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:41,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 143 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:41,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-02-06 14:13:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 324. [2025-02-06 14:13:41,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 259 states have (on average 1.4054054054054055) internal successors, (364), 277 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:41,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 454 transitions. [2025-02-06 14:13:41,085 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 454 transitions. Word has length 63 [2025-02-06 14:13:41,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:41,085 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 454 transitions. [2025-02-06 14:13:41,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:13:41,085 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 454 transitions. [2025-02-06 14:13:41,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-06 14:13:41,086 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:41,086 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:41,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:41,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:41,287 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:41,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:41,288 INFO L85 PathProgramCache]: Analyzing trace with hash -919465741, now seen corresponding path program 1 times [2025-02-06 14:13:41,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:41,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324894470] [2025-02-06 14:13:41,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:41,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:41,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-06 14:13:41,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-06 14:13:41,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:41,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 14:13:41,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:41,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324894470] [2025-02-06 14:13:41,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324894470] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:41,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:41,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:13:41,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098788517] [2025-02-06 14:13:41,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:41,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:13:41,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:41,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:13:41,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:13:41,328 INFO L87 Difference]: Start difference. First operand 324 states and 454 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:41,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:41,380 INFO L93 Difference]: Finished difference Result 324 states and 454 transitions. [2025-02-06 14:13:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:13:41,381 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 70 [2025-02-06 14:13:41,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:41,382 INFO L225 Difference]: With dead ends: 324 [2025-02-06 14:13:41,382 INFO L226 Difference]: Without dead ends: 323 [2025-02-06 14:13:41,383 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 [2025-02-06 14:13:41,383 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:41,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 99 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:13:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-02-06 14:13:41,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2025-02-06 14:13:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3822393822393821) internal successors, (358), 276 states have internal predecessors, (358), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:41,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 448 transitions. [2025-02-06 14:13:41,405 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 448 transitions. Word has length 70 [2025-02-06 14:13:41,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:41,406 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 448 transitions. [2025-02-06 14:13:41,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:41,406 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 448 transitions. [2025-02-06 14:13:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-06 14:13:41,406 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:41,406 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:41,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 14:13:41,407 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:41,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:41,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1561333088, now seen corresponding path program 1 times [2025-02-06 14:13:41,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:41,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318926304] [2025-02-06 14:13:41,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:41,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 14:13:41,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 14:13:41,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:41,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:41,527 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:41,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:41,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318926304] [2025-02-06 14:13:41,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318926304] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:41,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552366648] [2025-02-06 14:13:41,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:41,530 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:41,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:13:41,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-06 14:13:41,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-06 14:13:41,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:41,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:41,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:13:41,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:41,697 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:41,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552366648] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:41,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:41,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-06 14:13:41,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483496752] [2025-02-06 14:13:41,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:41,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:41,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:41,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:13:41,698 INFO L87 Difference]: Start difference. First operand 323 states and 448 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:13:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:41,785 INFO L93 Difference]: Finished difference Result 341 states and 463 transitions. [2025-02-06 14:13:41,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:13:41,785 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2025-02-06 14:13:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:41,786 INFO L225 Difference]: With dead ends: 341 [2025-02-06 14:13:41,786 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 14:13:41,787 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:13:41,787 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 124 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:41,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 128 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:41,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 14:13:41,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 323. [2025-02-06 14:13:41,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 259 states have (on average 1.3706563706563706) internal successors, (355), 276 states have internal predecessors, (355), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:41,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 445 transitions. [2025-02-06 14:13:41,803 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 445 transitions. Word has length 71 [2025-02-06 14:13:41,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:41,803 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 445 transitions. [2025-02-06 14:13:41,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:13:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 445 transitions. [2025-02-06 14:13:41,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 14:13:41,804 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:41,804 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:41,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:42,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:42,005 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:42,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:42,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1156685457, now seen corresponding path program 1 times [2025-02-06 14:13:42,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:42,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981896058] [2025-02-06 14:13:42,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:42,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:42,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 14:13:42,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:13:42,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:42,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:42,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:42,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981896058] [2025-02-06 14:13:42,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981896058] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:42,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690714293] [2025-02-06 14:13:42,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:42,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:42,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:42,117 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:42,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:13:42,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 14:13:42,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:13:42,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:42,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:42,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:13:42,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:42,260 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 14:13:42,261 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:42,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690714293] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:42,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:42,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:13:42,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784656400] [2025-02-06 14:13:42,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:42,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:42,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:42,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:42,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:42,262 INFO L87 Difference]: Start difference. First operand 323 states and 445 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:42,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:42,362 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2025-02-06 14:13:42,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:13:42,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2025-02-06 14:13:42,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:42,364 INFO L225 Difference]: With dead ends: 342 [2025-02-06 14:13:42,364 INFO L226 Difference]: Without dead ends: 341 [2025-02-06 14:13:42,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:42,365 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:42,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 96 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:42,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2025-02-06 14:13:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 332. [2025-02-06 14:13:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 268 states have (on average 1.3582089552238805) internal successors, (364), 285 states have internal predecessors, (364), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:42,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 454 transitions. [2025-02-06 14:13:42,384 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 454 transitions. Word has length 72 [2025-02-06 14:13:42,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:42,384 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 454 transitions. [2025-02-06 14:13:42,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:42,384 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 454 transitions. [2025-02-06 14:13:42,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 14:13:42,385 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:42,385 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:42,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:42,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:13:42,586 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:42,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1497510782, now seen corresponding path program 1 times [2025-02-06 14:13:42,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:42,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946952198] [2025-02-06 14:13:42,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:42,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:42,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:13:42,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:13:42,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:42,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:42,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:42,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946952198] [2025-02-06 14:13:42,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946952198] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:42,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433760615] [2025-02-06 14:13:42,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:42,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:42,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:42,674 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:42,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:13:42,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 14:13:42,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 14:13:42,713 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:42,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:42,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:13:42,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 14:13:42,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:13:42,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433760615] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:42,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:42,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-06 14:13:42,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454846906] [2025-02-06 14:13:42,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:42,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:13:42,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:42,830 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:13:42,830 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:42,831 INFO L87 Difference]: Start difference. First operand 332 states and 454 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:42,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:42,911 INFO L93 Difference]: Finished difference Result 341 states and 460 transitions. [2025-02-06 14:13:42,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:13:42,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 73 [2025-02-06 14:13:42,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:42,912 INFO L225 Difference]: With dead ends: 341 [2025-02-06 14:13:42,913 INFO L226 Difference]: Without dead ends: 339 [2025-02-06 14:13:42,913 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:42,913 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 27 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:42,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 100 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:42,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-06 14:13:42,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 335. [2025-02-06 14:13:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 271 states have (on average 1.3284132841328413) internal successors, (360), 288 states have internal predecessors, (360), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-06 14:13:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 450 transitions. [2025-02-06 14:13:42,939 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 450 transitions. Word has length 73 [2025-02-06 14:13:42,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:42,939 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 450 transitions. [2025-02-06 14:13:42,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 450 transitions. [2025-02-06 14:13:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 14:13:42,940 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:42,940 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:42,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:13:43,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:13:43,144 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:43,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:43,145 INFO L85 PathProgramCache]: Analyzing trace with hash 293817884, now seen corresponding path program 1 times [2025-02-06 14:13:43,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:43,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468691100] [2025-02-06 14:13:43,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:43,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:43,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 14:13:43,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 14:13:43,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:43,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:43,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757461079] [2025-02-06 14:13:43,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:43,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:43,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:43,166 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:43,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:13:43,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-06 14:13:43,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 14:13:43,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:43,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:43,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:13:43,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:43,507 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 14:13:43,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:44,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:44,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468691100] [2025-02-06 14:13:44,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:44,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757461079] [2025-02-06 14:13:44,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757461079] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:44,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:44,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:13:44,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813476115] [2025-02-06 14:13:44,083 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:44,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:13:44,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:44,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:13:44,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:13:44,083 INFO L87 Difference]: Start difference. First operand 335 states and 450 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:44,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:44,219 INFO L93 Difference]: Finished difference Result 419 states and 576 transitions. [2025-02-06 14:13:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:13:44,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2025-02-06 14:13:44,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:44,221 INFO L225 Difference]: With dead ends: 419 [2025-02-06 14:13:44,221 INFO L226 Difference]: Without dead ends: 418 [2025-02-06 14:13:44,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:13:44,222 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 74 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:44,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 111 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:44,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2025-02-06 14:13:44,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 395. [2025-02-06 14:13:44,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 325 states have (on average 1.3446153846153845) internal successors, (437), 342 states have internal predecessors, (437), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:13:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 539 transitions. [2025-02-06 14:13:44,247 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 539 transitions. Word has length 75 [2025-02-06 14:13:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:44,247 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 539 transitions. [2025-02-06 14:13:44,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 539 transitions. [2025-02-06 14:13:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-06 14:13:44,248 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:44,248 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:44,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 14:13:44,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:44,450 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:44,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:44,451 INFO L85 PathProgramCache]: Analyzing trace with hash 518419825, now seen corresponding path program 1 times [2025-02-06 14:13:44,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:44,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939546019] [2025-02-06 14:13:44,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:44,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:44,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 14:13:44,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 14:13:44,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:44,466 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:44,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [483260538] [2025-02-06 14:13:44,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:44,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:44,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:44,474 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:44,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:13:44,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-06 14:13:44,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-06 14:13:44,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:44,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:44,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:13:44,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:44,663 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 14:13:44,663 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:45,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:45,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939546019] [2025-02-06 14:13:45,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:45,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483260538] [2025-02-06 14:13:45,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483260538] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:45,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:45,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:13:45,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731753612] [2025-02-06 14:13:45,048 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:45,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:45,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:45,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:45,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:45,049 INFO L87 Difference]: Start difference. First operand 395 states and 539 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:45,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:45,116 INFO L93 Difference]: Finished difference Result 399 states and 539 transitions. [2025-02-06 14:13:45,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:13:45,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2025-02-06 14:13:45,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:45,118 INFO L225 Difference]: With dead ends: 399 [2025-02-06 14:13:45,118 INFO L226 Difference]: Without dead ends: 396 [2025-02-06 14:13:45,118 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:45,118 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 53 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:45,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 71 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:13:45,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-06 14:13:45,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 393. [2025-02-06 14:13:45,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 325 states have (on average 1.2738461538461539) internal successors, (414), 340 states have internal predecessors, (414), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:13:45,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 516 transitions. [2025-02-06 14:13:45,140 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 516 transitions. Word has length 76 [2025-02-06 14:13:45,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:45,140 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 516 transitions. [2025-02-06 14:13:45,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:45,140 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 516 transitions. [2025-02-06 14:13:45,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-06 14:13:45,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:45,141 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:45,146 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 [2025-02-06 14:13:45,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:45,342 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:45,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:45,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1108854598, now seen corresponding path program 1 times [2025-02-06 14:13:45,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:45,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060083093] [2025-02-06 14:13:45,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:45,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:45,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-06 14:13:45,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-06 14:13:45,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:45,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-06 14:13:45,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:45,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060083093] [2025-02-06 14:13:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060083093] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:45,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:45,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:13:45,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147102928] [2025-02-06 14:13:45,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:45,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:45,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:45,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:45,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:45,393 INFO L87 Difference]: Start difference. First operand 393 states and 516 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:45,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:45,534 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2025-02-06 14:13:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:13:45,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 77 [2025-02-06 14:13:45,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:45,536 INFO L225 Difference]: With dead ends: 395 [2025-02-06 14:13:45,536 INFO L226 Difference]: Without dead ends: 394 [2025-02-06 14:13:45,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:45,537 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 49 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:45,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 151 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:45,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-02-06 14:13:45,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 392. [2025-02-06 14:13:45,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 325 states have (on average 1.2461538461538462) internal successors, (405), 339 states have internal predecessors, (405), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:13:45,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 507 transitions. [2025-02-06 14:13:45,559 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 507 transitions. Word has length 77 [2025-02-06 14:13:45,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:45,559 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 507 transitions. [2025-02-06 14:13:45,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:13:45,559 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 507 transitions. [2025-02-06 14:13:45,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-06 14:13:45,560 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:45,560 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:45,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-06 14:13:45,560 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:45,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:45,561 INFO L85 PathProgramCache]: Analyzing trace with hash -14754161, now seen corresponding path program 1 times [2025-02-06 14:13:45,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:45,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892824352] [2025-02-06 14:13:45,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:45,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:45,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:13:45,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:13:45,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:45,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:45,676 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:45,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892824352] [2025-02-06 14:13:45,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892824352] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:45,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500669710] [2025-02-06 14:13:45,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:45,679 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:45,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:13:45,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-06 14:13:45,719 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-06 14:13:45,719 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:45,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:45,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 14:13:45,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:13:45,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:46,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500669710] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:46,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:13:46,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 14:13:46,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390719601] [2025-02-06 14:13:46,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:46,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:13:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:46,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:13:46,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:13:46,416 INFO L87 Difference]: Start difference. First operand 392 states and 507 transitions. Second operand has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 14:13:47,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:47,283 INFO L93 Difference]: Finished difference Result 686 states and 911 transitions. [2025-02-06 14:13:47,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 14:13:47,284 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 78 [2025-02-06 14:13:47,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:47,287 INFO L225 Difference]: With dead ends: 686 [2025-02-06 14:13:47,287 INFO L226 Difference]: Without dead ends: 681 [2025-02-06 14:13:47,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2025-02-06 14:13:47,290 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 449 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:47,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 275 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:13:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2025-02-06 14:13:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 528. [2025-02-06 14:13:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 445 states have (on average 1.2382022471910112) internal successors, (551), 459 states have internal predecessors, (551), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-06 14:13:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 685 transitions. [2025-02-06 14:13:47,323 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 685 transitions. Word has length 78 [2025-02-06 14:13:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:47,324 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 685 transitions. [2025-02-06 14:13:47,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.066666666666666) internal successors, (76), 16 states have internal predecessors, (76), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 14:13:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 685 transitions. [2025-02-06 14:13:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-02-06 14:13:47,326 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:47,326 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:47,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 14:13:47,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-06 14:13:47,531 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:47,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:47,532 INFO L85 PathProgramCache]: Analyzing trace with hash -1351901447, now seen corresponding path program 1 times [2025-02-06 14:13:47,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:47,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891158047] [2025-02-06 14:13:47,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:47,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:47,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 14:13:47,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 14:13:47,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:47,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:47,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [619710699] [2025-02-06 14:13:47,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:47,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:47,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:47,551 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:47,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:13:47,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-02-06 14:13:47,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 14:13:47,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:47,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:47,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:13:47,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:47,816 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-06 14:13:47,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:48,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:48,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891158047] [2025-02-06 14:13:48,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:48,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [619710699] [2025-02-06 14:13:48,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [619710699] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:48,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:48,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 14:13:48,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414668637] [2025-02-06 14:13:48,131 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:48,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:13:48,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:48,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:13:48,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:13:48,132 INFO L87 Difference]: Start difference. First operand 528 states and 685 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-06 14:13:48,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:48,404 INFO L93 Difference]: Finished difference Result 548 states and 697 transitions. [2025-02-06 14:13:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:13:48,404 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 92 [2025-02-06 14:13:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:48,406 INFO L225 Difference]: With dead ends: 548 [2025-02-06 14:13:48,406 INFO L226 Difference]: Without dead ends: 426 [2025-02-06 14:13:48,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:13:48,407 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 13 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:48,407 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 185 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:13:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2025-02-06 14:13:48,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 424. [2025-02-06 14:13:48,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 353 states have (on average 1.226628895184136) internal successors, (433), 367 states have internal predecessors, (433), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:13:48,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 543 transitions. [2025-02-06 14:13:48,453 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 543 transitions. Word has length 92 [2025-02-06 14:13:48,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:48,453 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 543 transitions. [2025-02-06 14:13:48,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 10 states have internal predecessors, (48), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-06 14:13:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 543 transitions. [2025-02-06 14:13:48,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-06 14:13:48,454 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:48,454 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:48,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:48,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:48,655 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:48,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:48,656 INFO L85 PathProgramCache]: Analyzing trace with hash -2097167849, now seen corresponding path program 1 times [2025-02-06 14:13:48,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:48,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753462331] [2025-02-06 14:13:48,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:48,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:48,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 14:13:48,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 14:13:48,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:48,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:48,712 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-06 14:13:48,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:48,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753462331] [2025-02-06 14:13:48,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753462331] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:13:48,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:13:48,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:13:48,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827597882] [2025-02-06 14:13:48,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:13:48,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:13:48,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:48,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:13:48,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:13:48,714 INFO L87 Difference]: Start difference. First operand 424 states and 543 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:13:48,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:48,835 INFO L93 Difference]: Finished difference Result 426 states and 543 transitions. [2025-02-06 14:13:48,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:13:48,835 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 94 [2025-02-06 14:13:48,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:48,837 INFO L225 Difference]: With dead ends: 426 [2025-02-06 14:13:48,837 INFO L226 Difference]: Without dead ends: 393 [2025-02-06 14:13:48,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:13:48,838 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 22 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:48,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 187 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:48,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-02-06 14:13:48,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2025-02-06 14:13:48,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 325 states have (on average 1.24) internal successors, (403), 338 states have internal predecessors, (403), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-06 14:13:48,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 505 transitions. [2025-02-06 14:13:48,865 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 505 transitions. Word has length 94 [2025-02-06 14:13:48,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:48,866 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 505 transitions. [2025-02-06 14:13:48,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:13:48,866 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 505 transitions. [2025-02-06 14:13:48,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 14:13:48,866 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:48,867 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2025-02-06 14:13:48,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-06 14:13:48,867 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:48,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:48,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1952520641, now seen corresponding path program 1 times [2025-02-06 14:13:48,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:48,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612900771] [2025-02-06 14:13:48,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:48,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:48,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:13:48,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:13:48,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:48,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:13:48,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:48,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612900771] [2025-02-06 14:13:48,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612900771] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:48,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570482832] [2025-02-06 14:13:48,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:48,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:48,927 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:48,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:13:48,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:13:49,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:13:49,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:49,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:49,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:13:49,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:13:49,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:49,158 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:13:49,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570482832] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:49,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:49,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:13:49,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346244756] [2025-02-06 14:13:49,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:49,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:13:49,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:49,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:13:49,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:13:49,159 INFO L87 Difference]: Start difference. First operand 391 states and 505 transitions. Second operand has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 14:13:49,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:49,373 INFO L93 Difference]: Finished difference Result 797 states and 1028 transitions. [2025-02-06 14:13:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:13:49,373 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 96 [2025-02-06 14:13:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:49,378 INFO L225 Difference]: With dead ends: 797 [2025-02-06 14:13:49,378 INFO L226 Difference]: Without dead ends: 795 [2025-02-06 14:13:49,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:13:49,378 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 207 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:49,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 364 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:13:49,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2025-02-06 14:13:49,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 541. [2025-02-06 14:13:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2439024390243902) internal successors, (561), 464 states have internal predecessors, (561), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-06 14:13:49,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 711 transitions. [2025-02-06 14:13:49,414 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 711 transitions. Word has length 96 [2025-02-06 14:13:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:49,415 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 711 transitions. [2025-02-06 14:13:49,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.1) internal successors, (81), 11 states have internal predecessors, (81), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 14:13:49,416 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 711 transitions. [2025-02-06 14:13:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-02-06 14:13:49,416 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:49,416 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:49,427 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 14:13:49,617 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 [2025-02-06 14:13:49,617 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:49,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1865961092, now seen corresponding path program 2 times [2025-02-06 14:13:49,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:49,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480986622] [2025-02-06 14:13:49,618 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:49,623 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-02-06 14:13:49,637 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 14:13:49,638 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:13:49,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:13:49,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616077740] [2025-02-06 14:13:49,639 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:49,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:49,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:49,643 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:49,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:13:49,671 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-02-06 14:13:49,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-02-06 14:13:49,689 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:13:49,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:49,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:13:49,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 14:13:50,064 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:50,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:50,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480986622] [2025-02-06 14:13:50,928 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:13:50,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616077740] [2025-02-06 14:13:50,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616077740] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:50,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:13:50,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:13:50,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11072292] [2025-02-06 14:13:50,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:50,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:13:50,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:50,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:13:50,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:13:50,930 INFO L87 Difference]: Start difference. First operand 541 states and 711 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-06 14:13:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:51,355 INFO L93 Difference]: Finished difference Result 565 states and 741 transitions. [2025-02-06 14:13:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:13:51,355 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 101 [2025-02-06 14:13:51,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:51,357 INFO L225 Difference]: With dead ends: 565 [2025-02-06 14:13:51,357 INFO L226 Difference]: Without dead ends: 564 [2025-02-06 14:13:51,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:13:51,357 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 29 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:51,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 300 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:13:51,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-02-06 14:13:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 541. [2025-02-06 14:13:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2416851441241685) internal successors, (560), 464 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-06 14:13:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 710 transitions. [2025-02-06 14:13:51,387 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 710 transitions. Word has length 101 [2025-02-06 14:13:51,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:51,387 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 710 transitions. [2025-02-06 14:13:51,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-06 14:13:51,388 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 710 transitions. [2025-02-06 14:13:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 14:13:51,389 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:51,389 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:51,397 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:13:51,590 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 [2025-02-06 14:13:51,590 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:51,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1579975122, now seen corresponding path program 2 times [2025-02-06 14:13:51,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:51,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388080927] [2025-02-06 14:13:51,591 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:51,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:51,597 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes. [2025-02-06 14:13:51,602 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 14:13:51,603 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:13:51,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:51,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388080927] [2025-02-06 14:13:51,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388080927] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:51,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714063389] [2025-02-06 14:13:51,695 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:51,697 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:51,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:13:51,721 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes. [2025-02-06 14:13:51,740 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 14:13:51,741 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:13:51,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:51,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:13:51,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:51,825 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:51,825 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:51,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714063389] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:51,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:51,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2025-02-06 14:13:51,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933457392] [2025-02-06 14:13:51,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:51,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:13:51,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:51,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:13:51,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:51,932 INFO L87 Difference]: Start difference. First operand 541 states and 710 transitions. Second operand has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-02-06 14:13:52,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:52,031 INFO L93 Difference]: Finished difference Result 550 states and 716 transitions. [2025-02-06 14:13:52,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:13:52,031 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 115 [2025-02-06 14:13:52,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:52,033 INFO L225 Difference]: With dead ends: 550 [2025-02-06 14:13:52,033 INFO L226 Difference]: Without dead ends: 543 [2025-02-06 14:13:52,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 225 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:13:52,034 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 32 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:52,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 239 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:52,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-02-06 14:13:52,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 541. [2025-02-06 14:13:52,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 451 states have (on average 1.2328159645232817) internal successors, (556), 464 states have internal predecessors, (556), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-06 14:13:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 706 transitions. [2025-02-06 14:13:52,061 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 706 transitions. Word has length 115 [2025-02-06 14:13:52,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:52,061 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 706 transitions. [2025-02-06 14:13:52,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-02-06 14:13:52,062 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 706 transitions. [2025-02-06 14:13:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 14:13:52,063 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:52,063 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1] [2025-02-06 14:13:52,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:52,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 14:13:52,264 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:52,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:52,264 INFO L85 PathProgramCache]: Analyzing trace with hash 327302614, now seen corresponding path program 2 times [2025-02-06 14:13:52,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:52,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612108479] [2025-02-06 14:13:52,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:52,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:52,268 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-02-06 14:13:52,270 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 117 statements. [2025-02-06 14:13:52,270 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 14:13:52,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2025-02-06 14:13:52,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612108479] [2025-02-06 14:13:52,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612108479] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:52,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064962599] [2025-02-06 14:13:52,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:13:52,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:52,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:52,306 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:52,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:13:52,329 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 117 statements into 2 equivalence classes. [2025-02-06 14:13:52,334 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 117 statements. [2025-02-06 14:13:52,334 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 14:13:52,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:52,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:13:52,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:52,400 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2025-02-06 14:13:52,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2025-02-06 14:13:52,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064962599] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:52,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:52,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:13:52,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098161749] [2025-02-06 14:13:52,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:52,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:13:52,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:52,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:13:52,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:13:52,504 INFO L87 Difference]: Start difference. First operand 541 states and 706 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:13:52,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:52,666 INFO L93 Difference]: Finished difference Result 639 states and 856 transitions. [2025-02-06 14:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:13:52,667 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 117 [2025-02-06 14:13:52,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:52,669 INFO L225 Difference]: With dead ends: 639 [2025-02-06 14:13:52,669 INFO L226 Difference]: Without dead ends: 637 [2025-02-06 14:13:52,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2025-02-06 14:13:52,669 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 309 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:52,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 228 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:13:52,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-02-06 14:13:52,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 435. [2025-02-06 14:13:52,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 359 states have (on average 1.1977715877437325) internal successors, (430), 370 states have internal predecessors, (430), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-02-06 14:13:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 556 transitions. [2025-02-06 14:13:52,728 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 556 transitions. Word has length 117 [2025-02-06 14:13:52,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:52,728 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 556 transitions. [2025-02-06 14:13:52,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:13:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 556 transitions. [2025-02-06 14:13:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-02-06 14:13:52,729 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:52,729 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:52,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:52,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:52,930 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:52,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:52,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1787191380, now seen corresponding path program 1 times [2025-02-06 14:13:52,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:52,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812548560] [2025-02-06 14:13:52,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:52,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 14:13:52,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 14:13:52,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:52,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:53,126 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:53,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:53,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812548560] [2025-02-06 14:13:53,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812548560] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:53,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579804790] [2025-02-06 14:13:53,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:53,129 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:53,137 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:13:53,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-02-06 14:13:53,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-02-06 14:13:53,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:53,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:53,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:13:53,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:53,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:53,872 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:53,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579804790] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:53,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:53,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-06 14:13:53,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029353839] [2025-02-06 14:13:53,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:53,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:13:53,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:53,874 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:13:53,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:13:53,875 INFO L87 Difference]: Start difference. First operand 435 states and 556 transitions. Second operand has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:13:54,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:54,443 INFO L93 Difference]: Finished difference Result 578 states and 741 transitions. [2025-02-06 14:13:54,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 14:13:54,444 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 117 [2025-02-06 14:13:54,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:54,446 INFO L225 Difference]: With dead ends: 578 [2025-02-06 14:13:54,449 INFO L226 Difference]: Without dead ends: 487 [2025-02-06 14:13:54,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2025-02-06 14:13:54,455 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 708 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:54,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 533 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:13:54,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-02-06 14:13:54,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 424. [2025-02-06 14:13:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 346 states have (on average 1.2254335260115607) internal successors, (424), 357 states have internal predecessors, (424), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-06 14:13:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 554 transitions. [2025-02-06 14:13:54,515 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 554 transitions. Word has length 117 [2025-02-06 14:13:54,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:54,515 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 554 transitions. [2025-02-06 14:13:54,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.476190476190476) internal successors, (157), 22 states have internal predecessors, (157), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:13:54,515 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 554 transitions. [2025-02-06 14:13:54,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 14:13:54,516 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:54,516 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:54,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:13:54,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:13:54,717 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:54,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:54,717 INFO L85 PathProgramCache]: Analyzing trace with hash -204434152, now seen corresponding path program 1 times [2025-02-06 14:13:54,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:54,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046526452] [2025-02-06 14:13:54,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:54,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 14:13:54,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 14:13:54,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:54,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:54,903 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2025-02-06 14:13:54,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:54,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046526452] [2025-02-06 14:13:54,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046526452] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:54,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949439901] [2025-02-06 14:13:54,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:54,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:54,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:54,911 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:54,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:13:54,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 14:13:54,958 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 14:13:54,958 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:54,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:54,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:13:54,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:55,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:57,195 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:57,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949439901] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:57,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:57,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2025-02-06 14:13:57,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148591752] [2025-02-06 14:13:57,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:57,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 14:13:57,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:57,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 14:13:57,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:13:57,199 INFO L87 Difference]: Start difference. First operand 424 states and 554 transitions. Second operand has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-02-06 14:13:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:57,533 INFO L93 Difference]: Finished difference Result 559 states and 743 transitions. [2025-02-06 14:13:57,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:13:57,533 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 122 [2025-02-06 14:13:57,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:57,535 INFO L225 Difference]: With dead ends: 559 [2025-02-06 14:13:57,535 INFO L226 Difference]: Without dead ends: 558 [2025-02-06 14:13:57,536 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:13:57,536 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 204 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:57,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 314 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:13:57,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2025-02-06 14:13:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 423. [2025-02-06 14:13:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 346 states have (on average 1.216763005780347) internal successors, (421), 356 states have internal predecessors, (421), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-06 14:13:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 551 transitions. [2025-02-06 14:13:57,574 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 551 transitions. Word has length 122 [2025-02-06 14:13:57,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:13:57,575 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 551 transitions. [2025-02-06 14:13:57,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.1) internal successors, (162), 21 states have internal predecessors, (162), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-02-06 14:13:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 551 transitions. [2025-02-06 14:13:57,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 14:13:57,576 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:13:57,576 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:13:57,582 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 14:13:57,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:57,777 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:13:57,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:13:57,778 INFO L85 PathProgramCache]: Analyzing trace with hash -2042491433, now seen corresponding path program 1 times [2025-02-06 14:13:57,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:13:57,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397241647] [2025-02-06 14:13:57,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:57,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:13:57,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 14:13:57,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 14:13:57,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:57,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:57,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:13:57,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397241647] [2025-02-06 14:13:57,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397241647] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:13:57,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537005188] [2025-02-06 14:13:57,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:13:57,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:13:57,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:13:57,933 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:13:57,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:13:57,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 14:13:57,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 14:13:57,979 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:13:57,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:13:57,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:13:57,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:13:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:58,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:13:59,105 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:13:59,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537005188] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:13:59,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:13:59,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-06 14:13:59,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214360797] [2025-02-06 14:13:59,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:13:59,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:13:59,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:13:59,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:13:59,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:13:59,107 INFO L87 Difference]: Start difference. First operand 423 states and 551 transitions. Second operand has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:13:59,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:13:59,974 INFO L93 Difference]: Finished difference Result 685 states and 874 transitions. [2025-02-06 14:13:59,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 14:13:59,976 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 123 [2025-02-06 14:13:59,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:13:59,978 INFO L225 Difference]: With dead ends: 685 [2025-02-06 14:13:59,978 INFO L226 Difference]: Without dead ends: 684 [2025-02-06 14:13:59,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:13:59,979 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 321 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:13:59,979 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 482 Invalid, 737 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:13:59,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-02-06 14:14:00,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 566. [2025-02-06 14:14:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.2135306553911205) internal successors, (574), 483 states have internal predecessors, (574), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 14:14:00,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 736 transitions. [2025-02-06 14:14:00,018 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 736 transitions. Word has length 123 [2025-02-06 14:14:00,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:00,018 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 736 transitions. [2025-02-06 14:14:00,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.142857142857142) internal successors, (171), 22 states have internal predecessors, (171), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:14:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 736 transitions. [2025-02-06 14:14:00,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 14:14:00,019 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:00,019 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:00,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:14:00,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-06 14:14:00,220 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:00,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:00,220 INFO L85 PathProgramCache]: Analyzing trace with hash -848315665, now seen corresponding path program 3 times [2025-02-06 14:14:00,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:00,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932612814] [2025-02-06 14:14:00,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:14:00,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:00,227 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 124 statements into 8 equivalence classes. [2025-02-06 14:14:00,253 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 14:14:00,253 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 14:14:00,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:00,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1145334610] [2025-02-06 14:14:00,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:14:00,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:00,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:00,257 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:00,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:14:00,284 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 124 statements into 8 equivalence classes. [2025-02-06 14:14:00,295 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 43 of 124 statements. [2025-02-06 14:14:00,296 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 14:14:00,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:00,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:14:00,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2025-02-06 14:14:00,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:16,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932612814] [2025-02-06 14:14:16,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:16,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145334610] [2025-02-06 14:14:16,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145334610] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:16,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:14:16,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:14:16,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732307914] [2025-02-06 14:14:16,668 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:16,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:14:16,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:16,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:14:16,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=208, Unknown=3, NotChecked=0, Total=272 [2025-02-06 14:14:16,669 INFO L87 Difference]: Start difference. First operand 566 states and 736 transitions. Second operand has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:14:17,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:17,277 INFO L93 Difference]: Finished difference Result 579 states and 748 transitions. [2025-02-06 14:14:17,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:14:17,277 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2025-02-06 14:14:17,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:17,279 INFO L225 Difference]: With dead ends: 579 [2025-02-06 14:14:17,279 INFO L226 Difference]: Without dead ends: 578 [2025-02-06 14:14:17,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 15.6s TimeCoverageRelationStatistics Valid=169, Invalid=478, Unknown=3, NotChecked=0, Total=650 [2025-02-06 14:14:17,281 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 156 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:17,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 129 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:14:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-02-06 14:14:17,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 566. [2025-02-06 14:14:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 473 states have (on average 1.200845665961945) internal successors, (568), 483 states have internal predecessors, (568), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-06 14:14:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 730 transitions. [2025-02-06 14:14:17,321 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 730 transitions. Word has length 124 [2025-02-06 14:14:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:17,321 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 730 transitions. [2025-02-06 14:14:17,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.1) internal successors, (41), 11 states have internal predecessors, (41), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:14:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2025-02-06 14:14:17,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 14:14:17,322 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:17,322 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:17,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:17,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:17,526 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:17,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:17,526 INFO L85 PathProgramCache]: Analyzing trace with hash -34212299, now seen corresponding path program 2 times [2025-02-06 14:14:17,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:17,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058298686] [2025-02-06 14:14:17,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:14:17,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:17,533 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 125 statements into 2 equivalence classes. [2025-02-06 14:14:17,550 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 14:14:17,550 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:14:17,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:17,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146885557] [2025-02-06 14:14:17,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:14:17,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:17,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:17,558 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:17,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:14:17,586 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 125 statements into 2 equivalence classes. [2025-02-06 14:14:17,593 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 22 of 125 statements. [2025-02-06 14:14:17,593 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 14:14:17,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:17,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:14:17,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:17,720 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2025-02-06 14:14:17,721 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:14:17,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:17,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058298686] [2025-02-06 14:14:17,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:17,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146885557] [2025-02-06 14:14:17,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146885557] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:14:17,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:14:17,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:14:17,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109774674] [2025-02-06 14:14:17,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:14:17,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:14:17,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:17,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:14:17,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:14:17,722 INFO L87 Difference]: Start difference. First operand 566 states and 730 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:14:17,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:17,909 INFO L93 Difference]: Finished difference Result 566 states and 730 transitions. [2025-02-06 14:14:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:14:17,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 125 [2025-02-06 14:14:17,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:17,912 INFO L225 Difference]: With dead ends: 566 [2025-02-06 14:14:17,912 INFO L226 Difference]: Without dead ends: 565 [2025-02-06 14:14:17,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:14:17,912 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 61 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:17,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 61 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:14:17,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2025-02-06 14:14:17,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 535. [2025-02-06 14:14:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 447 states have (on average 1.1722595078299776) internal successors, (524), 456 states have internal predecessors, (524), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-02-06 14:14:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 678 transitions. [2025-02-06 14:14:17,948 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 678 transitions. Word has length 125 [2025-02-06 14:14:17,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:17,949 INFO L471 AbstractCegarLoop]: Abstraction has 535 states and 678 transitions. [2025-02-06 14:14:17,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:14:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 678 transitions. [2025-02-06 14:14:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-02-06 14:14:17,950 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:17,950 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:17,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:18,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-06 14:14:18,151 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:18,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:18,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1311337514, now seen corresponding path program 4 times [2025-02-06 14:14:18,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:18,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382474311] [2025-02-06 14:14:18,151 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:14:18,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:18,160 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-02-06 14:14:18,167 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 14:14:18,167 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:14:18,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:18,428 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:14:18,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:18,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382474311] [2025-02-06 14:14:18,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382474311] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:18,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986195076] [2025-02-06 14:14:18,428 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:14:18,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:18,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:18,431 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:18,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 14:14:18,458 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 128 statements into 2 equivalence classes. [2025-02-06 14:14:18,486 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 128 of 128 statements. [2025-02-06 14:14:18,486 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:14:18,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:18,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:14:18,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:19,289 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-02-06 14:14:19,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:32,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986195076] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:32,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:14:32,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2025-02-06 14:14:32,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710856514] [2025-02-06 14:14:32,110 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:32,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 14:14:32,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:32,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 14:14:32,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=714, Unknown=3, NotChecked=0, Total=812 [2025-02-06 14:14:32,111 INFO L87 Difference]: Start difference. First operand 535 states and 678 transitions. Second operand has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-02-06 14:14:34,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:34,431 INFO L93 Difference]: Finished difference Result 888 states and 1127 transitions. [2025-02-06 14:14:34,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-06 14:14:34,432 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 128 [2025-02-06 14:14:34,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:34,434 INFO L225 Difference]: With dead ends: 888 [2025-02-06 14:14:34,434 INFO L226 Difference]: Without dead ends: 882 [2025-02-06 14:14:34,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 126 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1257 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=769, Invalid=4340, Unknown=3, NotChecked=0, Total=5112 [2025-02-06 14:14:34,436 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 795 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 795 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 1846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:34,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [795 Valid, 438 Invalid, 1846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 14:14:34,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2025-02-06 14:14:34,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 661. [2025-02-06 14:14:34,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 563 states have (on average 1.1722912966252221) internal successors, (660), 572 states have internal predecessors, (660), 87 states have call successors, (87), 1 states have call predecessors, (87), 1 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-02-06 14:14:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 834 transitions. [2025-02-06 14:14:34,497 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 834 transitions. Word has length 128 [2025-02-06 14:14:34,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:34,498 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 834 transitions. [2025-02-06 14:14:34,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.695652173913044) internal successors, (131), 24 states have internal predecessors, (131), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-02-06 14:14:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 834 transitions. [2025-02-06 14:14:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-06 14:14:34,499 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:34,499 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:34,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:34,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-06 14:14:34,703 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:34,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:34,704 INFO L85 PathProgramCache]: Analyzing trace with hash -2072581170, now seen corresponding path program 1 times [2025-02-06 14:14:34,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:34,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853043604] [2025-02-06 14:14:34,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:34,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:34,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-06 14:14:34,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-06 14:14:34,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:34,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:34,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1636933026] [2025-02-06 14:14:34,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:34,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:34,716 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:34,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:14:34,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-02-06 14:14:34,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-02-06 14:14:34,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:34,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:34,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:14:34,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-02-06 14:14:34,969 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:14:34,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:34,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853043604] [2025-02-06 14:14:34,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:34,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636933026] [2025-02-06 14:14:34,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636933026] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:14:34,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:14:34,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:14:34,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773985261] [2025-02-06 14:14:34,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:14:34,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:14:34,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:34,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:14:34,970 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:14:34,970 INFO L87 Difference]: Start difference. First operand 661 states and 834 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:14:35,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:35,060 INFO L93 Difference]: Finished difference Result 661 states and 834 transitions. [2025-02-06 14:14:35,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:14:35,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 131 [2025-02-06 14:14:35,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:35,062 INFO L225 Difference]: With dead ends: 661 [2025-02-06 14:14:35,062 INFO L226 Difference]: Without dead ends: 659 [2025-02-06 14:14:35,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:14:35,062 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:35,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 53 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:14:35,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2025-02-06 14:14:35,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 512. [2025-02-06 14:14:35,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 432 states have (on average 1.1412037037037037) internal successors, (493), 439 states have internal predecessors, (493), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 14:14:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 635 transitions. [2025-02-06 14:14:35,105 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 635 transitions. Word has length 131 [2025-02-06 14:14:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:35,106 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 635 transitions. [2025-02-06 14:14:35,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:14:35,106 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 635 transitions. [2025-02-06 14:14:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-06 14:14:35,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:35,107 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:35,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 14:14:35,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:35,308 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:35,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1507138459, now seen corresponding path program 1 times [2025-02-06 14:14:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993886170] [2025-02-06 14:14:35,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:35,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 14:14:35,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 14:14:35,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:35,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:35,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682764412] [2025-02-06 14:14:35,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:35,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:35,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:35,323 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:35,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:14:35,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 14:14:35,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 14:14:35,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:35,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:35,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 14:14:35,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:35,809 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-06 14:14:35,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:36,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:36,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993886170] [2025-02-06 14:14:36,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:36,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1682764412] [2025-02-06 14:14:36,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1682764412] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:36,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:14:36,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:14:36,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575845241] [2025-02-06 14:14:36,125 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:36,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:14:36,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:36,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:14:36,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:14:36,126 INFO L87 Difference]: Start difference. First operand 512 states and 635 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-06 14:14:36,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:36,634 INFO L93 Difference]: Finished difference Result 516 states and 639 transitions. [2025-02-06 14:14:36,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:14:36,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 138 [2025-02-06 14:14:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:36,636 INFO L225 Difference]: With dead ends: 516 [2025-02-06 14:14:36,636 INFO L226 Difference]: Without dead ends: 515 [2025-02-06 14:14:36,637 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:14:36,637 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 9 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:36,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 283 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:14:36,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-02-06 14:14:36,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 513. [2025-02-06 14:14:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 433 states have (on average 1.1408775981524248) internal successors, (494), 440 states have internal predecessors, (494), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 14:14:36,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 636 transitions. [2025-02-06 14:14:36,677 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 636 transitions. Word has length 138 [2025-02-06 14:14:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:36,677 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 636 transitions. [2025-02-06 14:14:36,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.0) internal successors, (66), 12 states have internal predecessors, (66), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-06 14:14:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 636 transitions. [2025-02-06 14:14:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-06 14:14:36,678 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:36,678 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:36,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:36,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 14:14:36,882 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:36,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:36,882 INFO L85 PathProgramCache]: Analyzing trace with hash -523348048, now seen corresponding path program 1 times [2025-02-06 14:14:36,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:36,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699851095] [2025-02-06 14:14:36,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:36,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:36,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-06 14:14:36,904 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-06 14:14:36,904 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:36,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:36,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1731316696] [2025-02-06 14:14:36,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:36,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:36,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:36,908 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:36,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 14:14:36,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 139 statements into 1 equivalence classes. [2025-02-06 14:14:36,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 139 of 139 statements. [2025-02-06 14:14:36,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:36,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:36,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-06 14:14:36,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:37,445 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-06 14:14:37,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:37,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:37,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699851095] [2025-02-06 14:14:37,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:37,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731316696] [2025-02-06 14:14:37,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731316696] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:37,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:14:37,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-06 14:14:37,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395471624] [2025-02-06 14:14:37,781 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:37,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:14:37,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:37,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:14:37,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:14:37,791 INFO L87 Difference]: Start difference. First operand 513 states and 636 transitions. Second operand has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 15 states have internal predecessors, (67), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-06 14:14:38,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:38,286 INFO L93 Difference]: Finished difference Result 521 states and 643 transitions. [2025-02-06 14:14:38,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:14:38,287 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 15 states have internal predecessors, (67), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 139 [2025-02-06 14:14:38,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:38,288 INFO L225 Difference]: With dead ends: 521 [2025-02-06 14:14:38,288 INFO L226 Difference]: Without dead ends: 516 [2025-02-06 14:14:38,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:14:38,289 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:38,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 339 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:14:38,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2025-02-06 14:14:38,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 513. [2025-02-06 14:14:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 433 states have (on average 1.136258660508083) internal successors, (492), 440 states have internal predecessors, (492), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 14:14:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 634 transitions. [2025-02-06 14:14:38,329 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 634 transitions. Word has length 139 [2025-02-06 14:14:38,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:38,330 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 634 transitions. [2025-02-06 14:14:38,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.785714285714286) internal successors, (67), 15 states have internal predecessors, (67), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-06 14:14:38,330 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 634 transitions. [2025-02-06 14:14:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-06 14:14:38,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:38,331 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:38,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 14:14:38,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 14:14:38,535 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:38,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:38,535 INFO L85 PathProgramCache]: Analyzing trace with hash -472052736, now seen corresponding path program 3 times [2025-02-06 14:14:38,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:38,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052930341] [2025-02-06 14:14:38,535 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:14:38,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:38,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 142 statements into 9 equivalence classes. [2025-02-06 14:14:38,553 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 142 of 142 statements. [2025-02-06 14:14:38,553 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-02-06 14:14:38,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:38,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2108728283] [2025-02-06 14:14:38,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:14:38,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:38,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:38,556 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:38,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 14:14:38,582 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 142 statements into 9 equivalence classes. [2025-02-06 14:14:38,597 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 68 of 142 statements. [2025-02-06 14:14:38,597 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 14:14:38,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:38,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:14:38,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2025-02-06 14:14:38,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:38,881 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2025-02-06 14:14:38,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:38,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052930341] [2025-02-06 14:14:38,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:38,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108728283] [2025-02-06 14:14:38,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108728283] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:38,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:14:38,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-02-06 14:14:38,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218425669] [2025-02-06 14:14:38,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:14:38,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:14:38,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:38,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:14:38,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:14:38,882 INFO L87 Difference]: Start difference. First operand 513 states and 634 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:14:39,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:39,076 INFO L93 Difference]: Finished difference Result 515 states and 636 transitions. [2025-02-06 14:14:39,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:14:39,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 142 [2025-02-06 14:14:39,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:39,078 INFO L225 Difference]: With dead ends: 515 [2025-02-06 14:14:39,078 INFO L226 Difference]: Without dead ends: 514 [2025-02-06 14:14:39,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:14:39,079 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 92 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:39,079 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 58 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:14:39,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2025-02-06 14:14:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 512. [2025-02-06 14:14:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 433 states have (on average 1.1316397228637414) internal successors, (490), 439 states have internal predecessors, (490), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 14:14:39,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 632 transitions. [2025-02-06 14:14:39,134 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 632 transitions. Word has length 142 [2025-02-06 14:14:39,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:39,135 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 632 transitions. [2025-02-06 14:14:39,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:14:39,135 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 632 transitions. [2025-02-06 14:14:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-02-06 14:14:39,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:39,136 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:39,142 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 14:14:39,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:14:39,340 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:39,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:39,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1748732949, now seen corresponding path program 1 times [2025-02-06 14:14:39,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:39,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469882071] [2025-02-06 14:14:39,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:39,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:39,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-06 14:14:39,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-06 14:14:39,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:39,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:14:39,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1632349029] [2025-02-06 14:14:39,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:39,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:39,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:39,356 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:39,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 14:14:39,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-02-06 14:14:39,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-02-06 14:14:39,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:39,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:39,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-06 14:14:39,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-06 14:14:40,016 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:40,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469882071] [2025-02-06 14:14:40,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:14:40,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632349029] [2025-02-06 14:14:40,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632349029] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:40,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:14:40,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-02-06 14:14:40,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737517965] [2025-02-06 14:14:40,808 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:40,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:14:40,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:40,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:14:40,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:14:40,809 INFO L87 Difference]: Start difference. First operand 512 states and 632 transitions. Second operand has 17 states, 16 states have (on average 4.4375) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-06 14:14:41,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:41,469 INFO L93 Difference]: Finished difference Result 515 states and 634 transitions. [2025-02-06 14:14:41,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:14:41,470 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.4375) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 143 [2025-02-06 14:14:41,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:41,472 INFO L225 Difference]: With dead ends: 515 [2025-02-06 14:14:41,472 INFO L226 Difference]: Without dead ends: 512 [2025-02-06 14:14:41,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:14:41,472 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 32 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:41,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 358 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:14:41,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2025-02-06 14:14:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 510. [2025-02-06 14:14:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 431 states have (on average 1.1299303944315546) internal successors, (487), 437 states have internal predecessors, (487), 71 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2025-02-06 14:14:41,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 629 transitions. [2025-02-06 14:14:41,515 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 629 transitions. Word has length 143 [2025-02-06 14:14:41,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:41,515 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 629 transitions. [2025-02-06 14:14:41,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.4375) internal successors, (71), 17 states have internal predecessors, (71), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-06 14:14:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 629 transitions. [2025-02-06 14:14:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-02-06 14:14:41,516 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:41,516 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:41,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:41,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 14:14:41,717 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:41,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:41,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1232870363, now seen corresponding path program 2 times [2025-02-06 14:14:41,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:41,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042505057] [2025-02-06 14:14:41,717 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:14:41,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:41,726 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 162 statements into 2 equivalence classes. [2025-02-06 14:14:41,732 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 162 of 162 statements. [2025-02-06 14:14:41,732 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:14:41,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:41,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:41,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042505057] [2025-02-06 14:14:41,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042505057] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:41,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962351425] [2025-02-06 14:14:41,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:14:41,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:41,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:41,888 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:41,891 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 14:14:41,915 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 162 statements into 2 equivalence classes. [2025-02-06 14:14:41,943 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 162 of 162 statements. [2025-02-06 14:14:41,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:14:41,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:41,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:14:41,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:42,189 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:42,189 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 54 proven. 35 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:42,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962351425] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:14:42,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:14:42,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 6] total 16 [2025-02-06 14:14:42,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954352673] [2025-02-06 14:14:42,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:42,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:14:42,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:42,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:14:42,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:14:42,400 INFO L87 Difference]: Start difference. First operand 510 states and 629 transitions. Second operand has 16 states, 16 states have (on average 9.5) internal successors, (152), 16 states have internal predecessors, (152), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-02-06 14:14:42,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:42,716 INFO L93 Difference]: Finished difference Result 578 states and 709 transitions. [2025-02-06 14:14:42,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:14:42,717 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.5) internal successors, (152), 16 states have internal predecessors, (152), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) Word has length 162 [2025-02-06 14:14:42,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:42,719 INFO L225 Difference]: With dead ends: 578 [2025-02-06 14:14:42,719 INFO L226 Difference]: Without dead ends: 572 [2025-02-06 14:14:42,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 310 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:14:42,720 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 78 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:42,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 376 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:14:42,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2025-02-06 14:14:42,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 544. [2025-02-06 14:14:42,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 459 states have (on average 1.122004357298475) internal successors, (515), 465 states have internal predecessors, (515), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-02-06 14:14:42,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 669 transitions. [2025-02-06 14:14:42,772 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 669 transitions. Word has length 162 [2025-02-06 14:14:42,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:42,772 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 669 transitions. [2025-02-06 14:14:42,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.5) internal successors, (152), 16 states have internal predecessors, (152), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-02-06 14:14:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 669 transitions. [2025-02-06 14:14:42,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-02-06 14:14:42,773 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:42,773 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:42,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:42,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 14:14:42,974 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:42,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:42,975 INFO L85 PathProgramCache]: Analyzing trace with hash -836589573, now seen corresponding path program 1 times [2025-02-06 14:14:42,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:42,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269688746] [2025-02-06 14:14:42,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:42,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:42,979 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 14:14:42,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 14:14:42,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:42,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:43,188 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 14:14:43,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:43,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269688746] [2025-02-06 14:14:43,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269688746] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:43,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952959789] [2025-02-06 14:14:43,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:43,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:43,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:43,191 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:43,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 14:14:43,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-02-06 14:14:43,241 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-02-06 14:14:43,241 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:43,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:43,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:14:43,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:43,649 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 13 proven. 87 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 14:14:43,650 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:43,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952959789] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:43,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:14:43,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2025-02-06 14:14:43,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125937893] [2025-02-06 14:14:43,713 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:43,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 14:14:43,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:43,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 14:14:43,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:14:43,715 INFO L87 Difference]: Start difference. First operand 544 states and 669 transitions. Second operand has 18 states, 18 states have (on average 8.777777777777779) internal successors, (158), 18 states have internal predecessors, (158), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-02-06 14:14:44,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:44,214 INFO L93 Difference]: Finished difference Result 596 states and 728 transitions. [2025-02-06 14:14:44,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:14:44,215 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.777777777777779) internal successors, (158), 18 states have internal predecessors, (158), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 164 [2025-02-06 14:14:44,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:44,216 INFO L225 Difference]: With dead ends: 596 [2025-02-06 14:14:44,216 INFO L226 Difference]: Without dead ends: 352 [2025-02-06 14:14:44,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2025-02-06 14:14:44,218 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 52 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:44,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 373 Invalid, 613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:14:44,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-06 14:14:44,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-02-06 14:14:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 289 states have (on average 1.0968858131487889) internal successors, (317), 295 states have internal predecessors, (317), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-06 14:14:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 427 transitions. [2025-02-06 14:14:44,254 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 427 transitions. Word has length 164 [2025-02-06 14:14:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:44,254 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 427 transitions. [2025-02-06 14:14:44,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.777777777777779) internal successors, (158), 18 states have internal predecessors, (158), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-02-06 14:14:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 427 transitions. [2025-02-06 14:14:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-06 14:14:44,255 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:44,255 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:44,262 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-06 14:14:44,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-06 14:14:44,459 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:44,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:44,460 INFO L85 PathProgramCache]: Analyzing trace with hash 2033996838, now seen corresponding path program 1 times [2025-02-06 14:14:44,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:44,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289446209] [2025-02-06 14:14:44,460 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:44,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:44,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-06 14:14:44,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-06 14:14:44,471 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:44,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 29 proven. 66 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:44,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289446209] [2025-02-06 14:14:44,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289446209] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:44,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281531494] [2025-02-06 14:14:44,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:44,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:44,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:44,612 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:44,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 14:14:44,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-06 14:14:44,661 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-06 14:14:44,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:44,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:44,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:14:44,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:44,753 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2025-02-06 14:14:44,753 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:14:44,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281531494] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:14:44,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:14:44,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2025-02-06 14:14:44,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075211710] [2025-02-06 14:14:44,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:14:44,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:14:44,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:44,754 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:14:44,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:14:44,754 INFO L87 Difference]: Start difference. First operand 352 states and 427 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:14:44,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:44,832 INFO L93 Difference]: Finished difference Result 352 states and 427 transitions. [2025-02-06 14:14:44,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:14:44,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2025-02-06 14:14:44,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:44,833 INFO L225 Difference]: With dead ends: 352 [2025-02-06 14:14:44,833 INFO L226 Difference]: Without dead ends: 351 [2025-02-06 14:14:44,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:14:44,834 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:44,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 88 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:14:44,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2025-02-06 14:14:44,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 340. [2025-02-06 14:14:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 280 states have (on average 1.0892857142857142) internal successors, (305), 285 states have internal predecessors, (305), 53 states have call successors, (53), 1 states have call predecessors, (53), 1 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2025-02-06 14:14:44,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 411 transitions. [2025-02-06 14:14:44,873 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 411 transitions. Word has length 165 [2025-02-06 14:14:44,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:44,874 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 411 transitions. [2025-02-06 14:14:44,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:14:44,874 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 411 transitions. [2025-02-06 14:14:44,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-06 14:14:44,875 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:44,875 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:44,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:45,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:45,077 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:45,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:45,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1973800007, now seen corresponding path program 1 times [2025-02-06 14:14:45,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:45,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731575469] [2025-02-06 14:14:45,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:45,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:45,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 14:14:45,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 14:14:45,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:45,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:45,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:45,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731575469] [2025-02-06 14:14:45,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731575469] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:45,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128321367] [2025-02-06 14:14:45,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:45,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:45,334 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:45,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 14:14:45,359 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 14:14:45,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 14:14:45,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:45,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:45,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-06 14:14:45,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:45,818 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:45,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:49,109 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:49,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128321367] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:14:49,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:14:49,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2025-02-06 14:14:49,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514049763] [2025-02-06 14:14:49,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:49,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-06 14:14:49,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:49,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-06 14:14:49,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2025-02-06 14:14:49,113 INFO L87 Difference]: Start difference. First operand 340 states and 411 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2025-02-06 14:14:52,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:52,574 INFO L93 Difference]: Finished difference Result 1008 states and 1210 transitions. [2025-02-06 14:14:52,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-02-06 14:14:52,577 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 169 [2025-02-06 14:14:52,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:52,581 INFO L225 Difference]: With dead ends: 1008 [2025-02-06 14:14:52,583 INFO L226 Difference]: Without dead ends: 930 [2025-02-06 14:14:52,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1154, Invalid=2038, Unknown=0, NotChecked=0, Total=3192 [2025-02-06 14:14:52,585 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 807 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:52,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 750 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 14:14:52,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2025-02-06 14:14:52,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 670. [2025-02-06 14:14:52,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 568 states have (on average 1.0950704225352113) internal successors, (622), 573 states have internal predecessors, (622), 95 states have call successors, (95), 1 states have call predecessors, (95), 1 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2025-02-06 14:14:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 812 transitions. [2025-02-06 14:14:52,792 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 812 transitions. Word has length 169 [2025-02-06 14:14:52,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:52,794 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 812 transitions. [2025-02-06 14:14:52,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2025-02-06 14:14:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 812 transitions. [2025-02-06 14:14:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 14:14:52,802 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:52,802 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:52,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-06 14:14:53,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:53,004 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:53,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash -59650432, now seen corresponding path program 1 times [2025-02-06 14:14:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247078939] [2025-02-06 14:14:53,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:53,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:53,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 14:14:53,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 14:14:53,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:53,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:53,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:53,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247078939] [2025-02-06 14:14:53,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247078939] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:53,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394874817] [2025-02-06 14:14:53,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:53,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:53,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:53,389 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:53,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 14:14:53,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 14:14:53,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 14:14:53,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:53,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:53,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:14:53,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:14:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:53,772 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:14:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:55,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394874817] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:14:55,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:14:55,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 33 [2025-02-06 14:14:55,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290242226] [2025-02-06 14:14:55,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:14:55,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-06 14:14:55,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:14:55,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-06 14:14:55,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=914, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 14:14:55,918 INFO L87 Difference]: Start difference. First operand 670 states and 812 transitions. Second operand has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2025-02-06 14:14:58,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:14:58,905 INFO L93 Difference]: Finished difference Result 1195 states and 1471 transitions. [2025-02-06 14:14:58,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-02-06 14:14:58,905 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) Word has length 171 [2025-02-06 14:14:58,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:14:58,908 INFO L225 Difference]: With dead ends: 1195 [2025-02-06 14:14:58,910 INFO L226 Difference]: Without dead ends: 1194 [2025-02-06 14:14:58,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=990, Invalid=3042, Unknown=0, NotChecked=0, Total=4032 [2025-02-06 14:14:58,912 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 812 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 1289 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1564 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 1289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:14:58,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1564 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 1289 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 14:14:58,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2025-02-06 14:14:59,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 963. [2025-02-06 14:14:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 831 states have (on average 1.121540312876053) internal successors, (932), 836 states have internal predecessors, (932), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2025-02-06 14:14:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1182 transitions. [2025-02-06 14:14:59,073 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1182 transitions. Word has length 171 [2025-02-06 14:14:59,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:14:59,073 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1182 transitions. [2025-02-06 14:14:59,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 7.090909090909091) internal successors, (234), 34 states have internal predecessors, (234), 20 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 20 states have call predecessors, (51), 20 states have call successors, (51) [2025-02-06 14:14:59,073 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1182 transitions. [2025-02-06 14:14:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-06 14:14:59,074 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:14:59,074 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:14:59,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 14:14:59,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-02-06 14:14:59,282 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:14:59,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:14:59,283 INFO L85 PathProgramCache]: Analyzing trace with hash 565496628, now seen corresponding path program 1 times [2025-02-06 14:14:59,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:14:59,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133353523] [2025-02-06 14:14:59,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:59,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:14:59,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 14:14:59,299 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 14:14:59,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:59,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:59,561 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:14:59,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:14:59,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133353523] [2025-02-06 14:14:59,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133353523] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:14:59,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194037608] [2025-02-06 14:14:59,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:14:59,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:14:59,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:14:59,563 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:14:59,565 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 14:14:59,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 14:14:59,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 14:14:59,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:14:59,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:14:59,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:14:59,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:15:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:15:00,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:15:00,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194037608] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:15:00,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:15:00,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2025-02-06 14:15:00,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608004727] [2025-02-06 14:15:00,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:15:00,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 14:15:00,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:15:00,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 14:15:00,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=659, Unknown=0, NotChecked=0, Total=756 [2025-02-06 14:15:00,451 INFO L87 Difference]: Start difference. First operand 963 states and 1182 transitions. Second operand has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-02-06 14:15:02,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:15:02,122 INFO L93 Difference]: Finished difference Result 1487 states and 1826 transitions. [2025-02-06 14:15:02,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-06 14:15:02,123 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 174 [2025-02-06 14:15:02,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:15:02,126 INFO L225 Difference]: With dead ends: 1487 [2025-02-06 14:15:02,126 INFO L226 Difference]: Without dead ends: 1117 [2025-02-06 14:15:02,127 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=464, Invalid=2506, Unknown=0, NotChecked=0, Total=2970 [2025-02-06 14:15:02,132 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 472 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 1673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:15:02,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 806 Invalid, 1673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 14:15:02,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2025-02-06 14:15:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 956. [2025-02-06 14:15:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 824 states have (on average 1.1128640776699028) internal successors, (917), 829 states have internal predecessors, (917), 125 states have call successors, (125), 1 states have call predecessors, (125), 1 states have return successors, (125), 125 states have call predecessors, (125), 125 states have call successors, (125) [2025-02-06 14:15:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1167 transitions. [2025-02-06 14:15:02,289 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1167 transitions. Word has length 174 [2025-02-06 14:15:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:15:02,289 INFO L471 AbstractCegarLoop]: Abstraction has 956 states and 1167 transitions. [2025-02-06 14:15:02,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 7.0) internal successors, (168), 25 states have internal predecessors, (168), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-02-06 14:15:02,289 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1167 transitions. [2025-02-06 14:15:02,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-02-06 14:15:02,290 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:15:02,290 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2025-02-06 14:15:02,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-06 14:15:02,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:15:02,495 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-06 14:15:02,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:15:02,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1066899823, now seen corresponding path program 5 times [2025-02-06 14:15:02,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:15:02,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412238560] [2025-02-06 14:15:02,496 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:15:02,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:15:02,507 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 178 statements into 9 equivalence classes. [2025-02-06 14:15:02,539 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 178 of 178 statements. [2025-02-06 14:15:02,539 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-02-06 14:15:02,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:15:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-06 14:15:03,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:15:03,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412238560] [2025-02-06 14:15:03,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412238560] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:15:03,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394801097] [2025-02-06 14:15:03,191 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:15:03,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:15:03,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:15:03,193 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:15:03,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 14:15:03,223 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 178 statements into 9 equivalence classes. [2025-02-06 14:15:03,276 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 178 of 178 statements. [2025-02-06 14:15:03,276 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-02-06 14:15:03,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:15:03,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-02-06 14:15:03,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:15:04,872 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 84 proven. 138 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2025-02-06 14:15:04,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:15:05,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394801097] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:15:05,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:15:05,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 24] total 39 [2025-02-06 14:15:05,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077739001] [2025-02-06 14:15:05,662 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:15:05,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2025-02-06 14:15:05,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:15:05,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2025-02-06 14:15:05,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1658, Unknown=0, NotChecked=0, Total=1892 [2025-02-06 14:15:05,664 INFO L87 Difference]: Start difference. First operand 956 states and 1167 transitions. Second operand has 40 states, 39 states have (on average 4.589743589743589) internal successors, (179), 40 states have internal predecessors, (179), 15 states have call successors, (36), 1 states have call predecessors, (36), 2 states have return successors, (36), 14 states have call predecessors, (36), 15 states have call successors, (36)