./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-numeric/twisted.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-numeric/twisted.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:32:04,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:32:04,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 01:32:04,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:32:05,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:32:05,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:32:05,023 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:32:05,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:32:05,025 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:32:05,025 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:32:05,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:32:05,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:32:05,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:32:05,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:32:05,026 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:32:05,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:32:05,027 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:32:05,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:32:05,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:32:05,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:32:05,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:32:05,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:32:05,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:32:05,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:32:05,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:32:05,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:32:05,029 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b68c797f7da07f29717590596e5fa31674f85e16d7b32a9335da92aff43a272 [2025-01-10 01:32:05,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:32:05,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:32:05,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:32:05,237 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:32:05,237 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:32:05,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-numeric/twisted.c [2025-01-10 01:32:06,358 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47e85df12/28dbb790f1b645738275bd992a7e3cc2/FLAG83214c178 [2025-01-10 01:32:06,567 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:32:06,568 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-numeric/twisted.c [2025-01-10 01:32:06,572 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47e85df12/28dbb790f1b645738275bd992a7e3cc2/FLAG83214c178 [2025-01-10 01:32:06,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47e85df12/28dbb790f1b645738275bd992a7e3cc2 [2025-01-10 01:32:06,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:32:06,930 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:32:06,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:32:06,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:32:06,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:32:06,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:32:06" (1/1) ... [2025-01-10 01:32:06,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d8eee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:06, skipping insertion in model container [2025-01-10 01:32:06,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:32:06" (1/1) ... [2025-01-10 01:32:06,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:32:07,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:32:07,048 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:32:07,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:32:07,065 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:32:07,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07 WrapperNode [2025-01-10 01:32:07,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:32:07,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:32:07,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:32:07,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:32:07,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,085 INFO L138 Inliner]: procedures = 5, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2025-01-10 01:32:07,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:32:07,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:32:07,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:32:07,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:32:07,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,093 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,097 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:32:07,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,102 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,105 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:32:07,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:32:07,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:32:07,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:32:07,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (1/1) ... [2025-01-10 01:32:07,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:32:07,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:07,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:32:07,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:32:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:32:07,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:32:07,214 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:32:07,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:32:07,327 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-01-10 01:32:07,327 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:32:07,333 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:32:07,333 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:32:07,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:32:07 BoogieIcfgContainer [2025-01-10 01:32:07,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:32:07,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:32:07,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:32:07,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:32:07,339 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:32:06" (1/3) ... [2025-01-10 01:32:07,340 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8a5707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:32:07, skipping insertion in model container [2025-01-10 01:32:07,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:32:07" (2/3) ... [2025-01-10 01:32:07,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b8a5707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:32:07, skipping insertion in model container [2025-01-10 01:32:07,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:32:07" (3/3) ... [2025-01-10 01:32:07,344 INFO L128 eAbstractionObserver]: Analyzing ICFG twisted.c [2025-01-10 01:32:07,353 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:32:07,354 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG twisted.c that has 1 procedures, 24 locations, 1 initial locations, 2 loop locations, and 6 error locations. [2025-01-10 01:32:07,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:32:07,402 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;@641efb07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:32:07,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 01:32:07,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:32:07,412 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:07,412 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:32:07,413 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:07,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:07,418 INFO L85 PathProgramCache]: Analyzing trace with hash 28708145, now seen corresponding path program 1 times [2025-01-10 01:32:07,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:07,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260379133] [2025-01-10 01:32:07,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:07,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:07,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:32:07,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:32:07,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:07,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:07,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:07,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260379133] [2025-01-10 01:32:07,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260379133] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:07,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:07,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:32:07,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000538413] [2025-01-10 01:32:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:32:07,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:32:07,599 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:07,601 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.588235294117647) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:07,656 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2025-01-10 01:32:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:32:07,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:32:07,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:07,662 INFO L225 Difference]: With dead ends: 31 [2025-01-10 01:32:07,662 INFO L226 Difference]: Without dead ends: 26 [2025-01-10 01:32:07,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:07,665 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:07,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 27 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:07,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-01-10 01:32:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2025-01-10 01:32:07,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2025-01-10 01:32:07,685 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 5 [2025-01-10 01:32:07,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:07,686 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2025-01-10 01:32:07,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,686 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2025-01-10 01:32:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:32:07,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:07,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:32:07,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:32:07,686 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:07,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:07,687 INFO L85 PathProgramCache]: Analyzing trace with hash 28694756, now seen corresponding path program 1 times [2025-01-10 01:32:07,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:07,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140453939] [2025-01-10 01:32:07,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:07,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:07,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:32:07,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:32:07,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:07,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:07,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:07,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:07,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140453939] [2025-01-10 01:32:07,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140453939] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:07,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:07,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:07,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701432041] [2025-01-10 01:32:07,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:32:07,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:32:07,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,727 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:07,762 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2025-01-10 01:32:07,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:32:07,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:32:07,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:07,763 INFO L225 Difference]: With dead ends: 23 [2025-01-10 01:32:07,763 INFO L226 Difference]: Without dead ends: 22 [2025-01-10 01:32:07,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,764 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:07,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 18 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2025-01-10 01:32:07,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2025-01-10 01:32:07,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.588235294117647) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2025-01-10 01:32:07,767 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 5 [2025-01-10 01:32:07,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:07,767 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2025-01-10 01:32:07,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,767 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2025-01-10 01:32:07,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:32:07,768 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:07,768 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:32:07,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:32:07,768 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:07,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:07,768 INFO L85 PathProgramCache]: Analyzing trace with hash 889952565, now seen corresponding path program 1 times [2025-01-10 01:32:07,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:07,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253882770] [2025-01-10 01:32:07,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:07,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:07,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:32:07,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:32:07,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:07,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:07,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:07,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253882770] [2025-01-10 01:32:07,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253882770] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:07,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:07,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:32:07,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112915866] [2025-01-10 01:32:07,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:32:07,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:32:07,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:07,805 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:07,829 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions. [2025-01-10 01:32:07,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:32:07,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:32:07,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:07,830 INFO L225 Difference]: With dead ends: 26 [2025-01-10 01:32:07,830 INFO L226 Difference]: Without dead ends: 23 [2025-01-10 01:32:07,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:07,831 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:07,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:07,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-01-10 01:32:07,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2025-01-10 01:32:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2025-01-10 01:32:07,834 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 6 [2025-01-10 01:32:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:07,834 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2025-01-10 01:32:07,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2025-01-10 01:32:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:32:07,835 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:07,835 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:32:07,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:32:07,835 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:07,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:07,835 INFO L85 PathProgramCache]: Analyzing trace with hash 889939656, now seen corresponding path program 1 times [2025-01-10 01:32:07,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:07,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156082032] [2025-01-10 01:32:07,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:07,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:07,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:32:07,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:32:07,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:07,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:07,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:07,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156082032] [2025-01-10 01:32:07,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156082032] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:07,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:07,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:07,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928634320] [2025-01-10 01:32:07,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:32:07,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,862 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:32:07,862 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,862 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:07,883 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2025-01-10 01:32:07,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:32:07,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:32:07,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:07,884 INFO L225 Difference]: With dead ends: 21 [2025-01-10 01:32:07,884 INFO L226 Difference]: Without dead ends: 20 [2025-01-10 01:32:07,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,885 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:07,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 24 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:07,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-01-10 01:32:07,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-01-10 01:32:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.5) internal successors, (24), 19 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2025-01-10 01:32:07,890 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 6 [2025-01-10 01:32:07,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:07,890 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions. [2025-01-10 01:32:07,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,891 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2025-01-10 01:32:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:32:07,892 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:07,892 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:32:07,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:32:07,892 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:07,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:07,892 INFO L85 PathProgramCache]: Analyzing trace with hash 889537478, now seen corresponding path program 1 times [2025-01-10 01:32:07,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:07,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405076155] [2025-01-10 01:32:07,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:07,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:07,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:32:07,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:32:07,897 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:07,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:07,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:07,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:07,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405076155] [2025-01-10 01:32:07,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405076155] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:07,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:07,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:07,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237142467] [2025-01-10 01:32:07,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:32:07,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:32:07,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,917 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:07,948 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2025-01-10 01:32:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:32:07,948 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:32:07,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:07,948 INFO L225 Difference]: With dead ends: 33 [2025-01-10 01:32:07,948 INFO L226 Difference]: Without dead ends: 32 [2025-01-10 01:32:07,948 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,949 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:07,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 36 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2025-01-10 01:32:07,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2025-01-10 01:32:07,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.48) internal successors, (37), 28 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2025-01-10 01:32:07,953 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 6 [2025-01-10 01:32:07,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:07,953 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2025-01-10 01:32:07,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:07,953 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2025-01-10 01:32:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:32:07,953 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:07,953 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:07,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:32:07,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:07,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:07,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1818325619, now seen corresponding path program 1 times [2025-01-10 01:32:07,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:07,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622496960] [2025-01-10 01:32:07,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:07,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:07,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:32:07,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:32:07,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:07,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:07,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:07,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622496960] [2025-01-10 01:32:07,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622496960] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:07,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:07,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:07,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220466052] [2025-01-10 01:32:07,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:07,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:32:07,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:07,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:32:07,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:07,986 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:08,009 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2025-01-10 01:32:08,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:32:08,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 01:32:08,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:08,010 INFO L225 Difference]: With dead ends: 47 [2025-01-10 01:32:08,010 INFO L226 Difference]: Without dead ends: 46 [2025-01-10 01:32:08,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:32:08,011 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:08,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 36 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:08,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-01-10 01:32:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2025-01-10 01:32:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 42 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2025-01-10 01:32:08,019 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 7 [2025-01-10 01:32:08,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:08,019 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions. [2025-01-10 01:32:08,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions. [2025-01-10 01:32:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:32:08,020 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:08,020 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:08,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:32:08,021 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:08,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:08,021 INFO L85 PathProgramCache]: Analyzing trace with hash 262838059, now seen corresponding path program 1 times [2025-01-10 01:32:08,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:08,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102465645] [2025-01-10 01:32:08,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:08,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:08,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:32:08,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:32:08,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:08,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:08,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102465645] [2025-01-10 01:32:08,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102465645] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:08,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:08,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:32:08,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642922153] [2025-01-10 01:32:08,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:08,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:32:08,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:08,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:32:08,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:08,085 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:08,155 INFO L93 Difference]: Finished difference Result 46 states and 57 transitions. [2025-01-10 01:32:08,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:32:08,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 01:32:08,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:08,156 INFO L225 Difference]: With dead ends: 46 [2025-01-10 01:32:08,157 INFO L226 Difference]: Without dead ends: 45 [2025-01-10 01:32:08,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:08,157 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:08,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 16 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:08,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-01-10 01:32:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2025-01-10 01:32:08,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 40 states have (on average 1.375) internal successors, (55), 43 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2025-01-10 01:32:08,164 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 9 [2025-01-10 01:32:08,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:08,165 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2025-01-10 01:32:08,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,165 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2025-01-10 01:32:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:32:08,165 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:08,165 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:08,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 01:32:08,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:08,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:08,165 INFO L85 PathProgramCache]: Analyzing trace with hash -441954693, now seen corresponding path program 1 times [2025-01-10 01:32:08,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:08,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718492426] [2025-01-10 01:32:08,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:08,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:08,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:32:08,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:32:08,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:08,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:08,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718492426] [2025-01-10 01:32:08,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718492426] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:08,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:08,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:32:08,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722933635] [2025-01-10 01:32:08,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:08,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:32:08,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:08,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:32:08,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:08,209 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:08,254 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2025-01-10 01:32:08,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:32:08,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 01:32:08,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:08,255 INFO L225 Difference]: With dead ends: 51 [2025-01-10 01:32:08,255 INFO L226 Difference]: Without dead ends: 48 [2025-01-10 01:32:08,255 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:08,256 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:08,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:08,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2025-01-10 01:32:08,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2025-01-10 01:32:08,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.380952380952381) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2025-01-10 01:32:08,262 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 10 [2025-01-10 01:32:08,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:08,262 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2025-01-10 01:32:08,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,265 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2025-01-10 01:32:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:32:08,265 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:08,265 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:08,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 01:32:08,265 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:08,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:08,266 INFO L85 PathProgramCache]: Analyzing trace with hash -442042079, now seen corresponding path program 1 times [2025-01-10 01:32:08,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:08,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309990988] [2025-01-10 01:32:08,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:08,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:08,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:32:08,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:32:08,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:08,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:08,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309990988] [2025-01-10 01:32:08,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309990988] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:08,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121319406] [2025-01-10 01:32:08,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:08,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:08,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:08,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:08,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:32:08,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:32:08,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:32:08,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:08,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:32:08,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:08,430 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121319406] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:08,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:08,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-01-10 01:32:08,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052986208] [2025-01-10 01:32:08,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:08,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:32:08,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:08,431 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:32:08,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:32:08,431 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:08,512 INFO L93 Difference]: Finished difference Result 101 states and 134 transitions. [2025-01-10 01:32:08,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:32:08,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 01:32:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:08,513 INFO L225 Difference]: With dead ends: 101 [2025-01-10 01:32:08,513 INFO L226 Difference]: Without dead ends: 100 [2025-01-10 01:32:08,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:32:08,514 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 44 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:08,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 54 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:08,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-01-10 01:32:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 77. [2025-01-10 01:32:08,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 76 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 101 transitions. [2025-01-10 01:32:08,521 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 101 transitions. Word has length 10 [2025-01-10 01:32:08,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:08,521 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 101 transitions. [2025-01-10 01:32:08,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,521 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 101 transitions. [2025-01-10 01:32:08,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 01:32:08,521 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:08,521 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:08,528 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:08,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:08,726 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:08,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:08,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1597373042, now seen corresponding path program 1 times [2025-01-10 01:32:08,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:08,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29627205] [2025-01-10 01:32:08,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:08,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:08,729 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 01:32:08,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 01:32:08,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:08,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:08,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29627205] [2025-01-10 01:32:08,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29627205] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:08,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736421933] [2025-01-10 01:32:08,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:08,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:08,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:08,766 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:08,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:32:08,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 01:32:08,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 01:32:08,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:08,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:08,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:32:08,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:08,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:08,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736421933] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:08,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:08,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-01-10 01:32:08,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131513487] [2025-01-10 01:32:08,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:08,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:32:08,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:08,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:32:08,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:32:08,850 INFO L87 Difference]: Start difference. First operand 77 states and 101 transitions. Second operand has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:08,900 INFO L93 Difference]: Finished difference Result 215 states and 299 transitions. [2025-01-10 01:32:08,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:32:08,900 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 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 11 [2025-01-10 01:32:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:08,901 INFO L225 Difference]: With dead ends: 215 [2025-01-10 01:32:08,901 INFO L226 Difference]: Without dead ends: 214 [2025-01-10 01:32:08,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:32:08,902 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 65 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:08,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 79 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:08,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-01-10 01:32:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 204. [2025-01-10 01:32:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 200 states have (on average 1.385) internal successors, (277), 203 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 277 transitions. [2025-01-10 01:32:08,913 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 277 transitions. Word has length 11 [2025-01-10 01:32:08,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:08,913 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 277 transitions. [2025-01-10 01:32:08,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 277 transitions. [2025-01-10 01:32:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 01:32:08,915 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:08,915 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:08,921 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:09,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:09,116 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:09,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:09,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1597318938, now seen corresponding path program 1 times [2025-01-10 01:32:09,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:09,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904479909] [2025-01-10 01:32:09,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:09,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:09,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 01:32:09,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 01:32:09,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:09,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:09,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904479909] [2025-01-10 01:32:09,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904479909] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:09,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121981293] [2025-01-10 01:32:09,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:09,160 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:09,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:32:09,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 01:32:09,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 01:32:09,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:09,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:09,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:32:09,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:09,241 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:32:09,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121981293] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:09,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:32:09,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-01-10 01:32:09,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863143725] [2025-01-10 01:32:09,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:09,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:32:09,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:09,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:32:09,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:32:09,242 INFO L87 Difference]: Start difference. First operand 204 states and 277 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:09,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:09,306 INFO L93 Difference]: Finished difference Result 239 states and 325 transitions. [2025-01-10 01:32:09,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:32:09,307 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 11 [2025-01-10 01:32:09,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:09,308 INFO L225 Difference]: With dead ends: 239 [2025-01-10 01:32:09,308 INFO L226 Difference]: Without dead ends: 238 [2025-01-10 01:32:09,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:32:09,308 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:09,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 14 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-01-10 01:32:09,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 232. [2025-01-10 01:32:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 228 states have (on average 1.394736842105263) internal successors, (318), 231 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 318 transitions. [2025-01-10 01:32:09,324 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 318 transitions. Word has length 11 [2025-01-10 01:32:09,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:09,324 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 318 transitions. [2025-01-10 01:32:09,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:09,324 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 318 transitions. [2025-01-10 01:32:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:32:09,327 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:09,327 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:09,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:32:09,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:09,528 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:09,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:09,528 INFO L85 PathProgramCache]: Analyzing trace with hash 2022720544, now seen corresponding path program 1 times [2025-01-10 01:32:09,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:09,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692769898] [2025-01-10 01:32:09,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:09,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:09,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:32:09,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:32:09,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:09,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:09,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:09,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692769898] [2025-01-10 01:32:09,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692769898] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:09,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086492939] [2025-01-10 01:32:09,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:09,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:09,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:09,587 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:09,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 01:32:09,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:32:09,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:32:09,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:09,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:09,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:32:09,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:09,671 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:09,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086492939] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:09,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:09,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-01-10 01:32:09,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692268063] [2025-01-10 01:32:09,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:09,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:32:09,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:09,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:32:09,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:32:09,706 INFO L87 Difference]: Start difference. First operand 232 states and 318 transitions. Second operand has 11 states, 10 states have (on average 3.4) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:09,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:09,813 INFO L93 Difference]: Finished difference Result 256 states and 347 transitions. [2025-01-10 01:32:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:32:09,814 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), 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 12 [2025-01-10 01:32:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:09,815 INFO L225 Difference]: With dead ends: 256 [2025-01-10 01:32:09,815 INFO L226 Difference]: Without dead ends: 249 [2025-01-10 01:32:09,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:32:09,816 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:09,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 28 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:09,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-01-10 01:32:09,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 244. [2025-01-10 01:32:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 240 states have (on average 1.3833333333333333) internal successors, (332), 243 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:09,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 332 transitions. [2025-01-10 01:32:09,824 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 332 transitions. Word has length 12 [2025-01-10 01:32:09,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:09,825 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 332 transitions. [2025-01-10 01:32:09,825 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:09,825 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 332 transitions. [2025-01-10 01:32:09,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:32:09,825 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:09,825 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:09,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:10,029 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,SelfDestructingSolverStorable11 [2025-01-10 01:32:10,029 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:10,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:10,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1500110422, now seen corresponding path program 1 times [2025-01-10 01:32:10,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:10,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65398961] [2025-01-10 01:32:10,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:10,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:10,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:32:10,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:32:10,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:10,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:10,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65398961] [2025-01-10 01:32:10,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65398961] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:10,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369020393] [2025-01-10 01:32:10,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:10,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:10,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:10,093 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:10,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 01:32:10,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:32:10,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:32:10,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:10,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:10,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:32:10,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369020393] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:10,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:10,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-01-10 01:32:10,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381817204] [2025-01-10 01:32:10,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:10,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:32:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:10,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:32:10,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:32:10,236 INFO L87 Difference]: Start difference. First operand 244 states and 332 transitions. Second operand has 17 states, 16 states have (on average 2.5) internal successors, (40), 17 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:10,317 INFO L93 Difference]: Finished difference Result 247 states and 334 transitions. [2025-01-10 01:32:10,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:32:10,317 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.5) internal successors, (40), 17 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-01-10 01:32:10,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:10,318 INFO L225 Difference]: With dead ends: 247 [2025-01-10 01:32:10,318 INFO L226 Difference]: Without dead ends: 244 [2025-01-10 01:32:10,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:32:10,320 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 9 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:10,320 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 37 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-01-10 01:32:10,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 244. [2025-01-10 01:32:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 240 states have (on average 1.375) internal successors, (330), 243 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 330 transitions. [2025-01-10 01:32:10,329 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 330 transitions. Word has length 14 [2025-01-10 01:32:10,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:10,329 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 330 transitions. [2025-01-10 01:32:10,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.5) internal successors, (40), 17 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,329 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 330 transitions. [2025-01-10 01:32:10,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:32:10,329 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:10,329 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:10,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:32:10,530 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,SelfDestructingSolverStorable12 [2025-01-10 01:32:10,530 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:10,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:10,530 INFO L85 PathProgramCache]: Analyzing trace with hash 995655776, now seen corresponding path program 1 times [2025-01-10 01:32:10,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:10,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793950220] [2025-01-10 01:32:10,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:10,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:10,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:32:10,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:32:10,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:10,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:10,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793950220] [2025-01-10 01:32:10,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793950220] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:10,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:10,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:10,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901885383] [2025-01-10 01:32:10,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:10,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:32:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:10,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:32:10,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:10,551 INFO L87 Difference]: Start difference. First operand 244 states and 330 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:10,578 INFO L93 Difference]: Finished difference Result 486 states and 669 transitions. [2025-01-10 01:32:10,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:32:10,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-01-10 01:32:10,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:10,580 INFO L225 Difference]: With dead ends: 486 [2025-01-10 01:32:10,580 INFO L226 Difference]: Without dead ends: 329 [2025-01-10 01:32:10,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:10,581 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:10,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:10,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2025-01-10 01:32:10,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 266. [2025-01-10 01:32:10,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 262 states have (on average 1.3511450381679388) internal successors, (354), 265 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 354 transitions. [2025-01-10 01:32:10,592 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 354 transitions. Word has length 15 [2025-01-10 01:32:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:10,592 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 354 transitions. [2025-01-10 01:32:10,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,592 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 354 transitions. [2025-01-10 01:32:10,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:32:10,593 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:10,593 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:10,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:32:10,593 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:10,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:10,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1179287392, now seen corresponding path program 2 times [2025-01-10 01:32:10,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:10,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271565097] [2025-01-10 01:32:10,594 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:10,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:10,597 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 2 equivalence classes. [2025-01-10 01:32:10,600 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:32:10,600 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:10,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:10,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271565097] [2025-01-10 01:32:10,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271565097] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:10,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059918346] [2025-01-10 01:32:10,652 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:10,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:10,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:10,654 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:10,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 01:32:10,674 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 15 statements into 2 equivalence classes. [2025-01-10 01:32:10,678 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:32:10,678 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:10,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:10,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:32:10,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:10,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:10,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2059918346] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:10,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:10,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-10 01:32:10,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979447938] [2025-01-10 01:32:10,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:10,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:32:10,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:10,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:32:10,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:32:10,804 INFO L87 Difference]: Start difference. First operand 266 states and 354 transitions. Second operand has 14 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:10,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:10,979 INFO L93 Difference]: Finished difference Result 289 states and 379 transitions. [2025-01-10 01:32:10,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:32:10,979 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 14 states have internal predecessors, (43), 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 15 [2025-01-10 01:32:10,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:10,980 INFO L225 Difference]: With dead ends: 289 [2025-01-10 01:32:10,980 INFO L226 Difference]: Without dead ends: 288 [2025-01-10 01:32:10,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:32:10,981 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 66 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:10,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 75 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:10,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-01-10 01:32:10,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 251. [2025-01-10 01:32:10,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 247 states have (on average 1.3522267206477734) internal successors, (334), 250 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:11,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 334 transitions. [2025-01-10 01:32:11,000 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 334 transitions. Word has length 15 [2025-01-10 01:32:11,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:11,001 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 334 transitions. [2025-01-10 01:32:11,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 14 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:11,001 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 334 transitions. [2025-01-10 01:32:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:32:11,001 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:11,001 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:11,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 01:32:11,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 01:32:11,202 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:11,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:11,203 INFO L85 PathProgramCache]: Analyzing trace with hash -2096796442, now seen corresponding path program 1 times [2025-01-10 01:32:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:11,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522123554] [2025-01-10 01:32:11,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:11,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:11,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:32:11,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:32:11,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:11,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:11,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:11,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:11,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522123554] [2025-01-10 01:32:11,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522123554] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:11,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169060680] [2025-01-10 01:32:11,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:11,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:11,258 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:11,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 01:32:11,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:32:11,284 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:32:11,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:11,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:11,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:32:11,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:11,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:11,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169060680] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:11,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:11,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-01-10 01:32:11,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430700265] [2025-01-10 01:32:11,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:11,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-10 01:32:11,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:11,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-10 01:32:11,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:32:11,410 INFO L87 Difference]: Start difference. First operand 251 states and 334 transitions. Second operand has 17 states, 16 states have (on average 2.875) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:11,527 INFO L93 Difference]: Finished difference Result 283 states and 373 transitions. [2025-01-10 01:32:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:32:11,527 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.875) internal successors, (46), 17 states have internal predecessors, (46), 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 16 [2025-01-10 01:32:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:11,528 INFO L225 Difference]: With dead ends: 283 [2025-01-10 01:32:11,528 INFO L226 Difference]: Without dead ends: 275 [2025-01-10 01:32:11,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=226, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:32:11,529 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 26 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:11,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 21 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:11,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-01-10 01:32:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 248. [2025-01-10 01:32:11,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 244 states have (on average 1.3524590163934427) internal successors, (330), 247 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 330 transitions. [2025-01-10 01:32:11,539 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 330 transitions. Word has length 16 [2025-01-10 01:32:11,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:11,539 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 330 transitions. [2025-01-10 01:32:11,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.875) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 330 transitions. [2025-01-10 01:32:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 01:32:11,540 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:11,540 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:11,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:11,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:11,740 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:11,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:11,741 INFO L85 PathProgramCache]: Analyzing trace with hash 860641754, now seen corresponding path program 1 times [2025-01-10 01:32:11,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:11,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603740420] [2025-01-10 01:32:11,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:11,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:11,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:32:11,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:32:11,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:11,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:11,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603740420] [2025-01-10 01:32:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603740420] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986167925] [2025-01-10 01:32:11,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:11,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:11,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:11,807 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:11,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 01:32:11,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:32:11,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:32:11,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:11,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:11,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:32:11,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:11,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:11,941 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:32:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986167925] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:11,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:32:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2025-01-10 01:32:11,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263343675] [2025-01-10 01:32:11,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:11,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:32:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:11,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:32:11,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:32:11,944 INFO L87 Difference]: Start difference. First operand 248 states and 330 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:12,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:12,030 INFO L93 Difference]: Finished difference Result 287 states and 374 transitions. [2025-01-10 01:32:12,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:32:12,031 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-10 01:32:12,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:12,032 INFO L225 Difference]: With dead ends: 287 [2025-01-10 01:32:12,032 INFO L226 Difference]: Without dead ends: 285 [2025-01-10 01:32:12,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:32:12,032 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 15 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:12,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 23 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:12,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-01-10 01:32:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 245. [2025-01-10 01:32:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 242 states have (on average 1.3471074380165289) internal successors, (326), 244 states have internal predecessors, (326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 326 transitions. [2025-01-10 01:32:12,047 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 326 transitions. Word has length 19 [2025-01-10 01:32:12,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:12,048 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 326 transitions. [2025-01-10 01:32:12,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:12,048 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 326 transitions. [2025-01-10 01:32:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:32:12,048 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:12,048 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 01:32:12,054 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 01:32:12,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 01:32:12,252 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:12,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:12,252 INFO L85 PathProgramCache]: Analyzing trace with hash -226452001, now seen corresponding path program 2 times [2025-01-10 01:32:12,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:12,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426033402] [2025-01-10 01:32:12,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:12,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:12,256 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-10 01:32:12,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:32:12,258 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:12,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:12,387 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:12,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426033402] [2025-01-10 01:32:12,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426033402] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:12,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277541592] [2025-01-10 01:32:12,387 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:12,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:12,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:12,389 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:12,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 01:32:12,413 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-10 01:32:12,419 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:32:12,419 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:12,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:12,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:32:12,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:12,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:12,581 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:12,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277541592] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:12,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:12,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-01-10 01:32:12,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267419249] [2025-01-10 01:32:12,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:12,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:32:12,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:12,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:32:12,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:32:12,582 INFO L87 Difference]: Start difference. First operand 245 states and 326 transitions. Second operand has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:12,704 INFO L93 Difference]: Finished difference Result 567 states and 782 transitions. [2025-01-10 01:32:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 01:32:12,705 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2025-01-10 01:32:12,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:12,706 INFO L225 Difference]: With dead ends: 567 [2025-01-10 01:32:12,706 INFO L226 Difference]: Without dead ends: 566 [2025-01-10 01:32:12,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:32:12,708 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 221 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:12,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 130 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:12,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2025-01-10 01:32:12,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 539. [2025-01-10 01:32:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 536 states have (on average 1.3694029850746268) internal successors, (734), 538 states have internal predecessors, (734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 734 transitions. [2025-01-10 01:32:12,737 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 734 transitions. Word has length 23 [2025-01-10 01:32:12,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:12,738 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 734 transitions. [2025-01-10 01:32:12,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.142857142857143) internal successors, (45), 22 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 734 transitions. [2025-01-10 01:32:12,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 01:32:12,738 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:12,738 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:12,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 01:32:12,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 01:32:12,939 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:12,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:12,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1571599855, now seen corresponding path program 1 times [2025-01-10 01:32:12,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:12,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039160934] [2025-01-10 01:32:12,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:12,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 01:32:12,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 01:32:12,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:12,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:32:12,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:12,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039160934] [2025-01-10 01:32:12,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039160934] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:12,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:12,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:12,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754930255] [2025-01-10 01:32:12,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:12,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:32:12,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:12,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:32:12,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:12,974 INFO L87 Difference]: Start difference. First operand 539 states and 734 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:13,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:13,010 INFO L93 Difference]: Finished difference Result 1150 states and 1547 transitions. [2025-01-10 01:32:13,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:32:13,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-01-10 01:32:13,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:13,013 INFO L225 Difference]: With dead ends: 1150 [2025-01-10 01:32:13,013 INFO L226 Difference]: Without dead ends: 715 [2025-01-10 01:32:13,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:13,017 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:13,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 32 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:13,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2025-01-10 01:32:13,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 578. [2025-01-10 01:32:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 575 states have (on average 1.346086956521739) internal successors, (774), 577 states have internal predecessors, (774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:13,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 774 transitions. [2025-01-10 01:32:13,041 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 774 transitions. Word has length 24 [2025-01-10 01:32:13,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:13,041 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 774 transitions. [2025-01-10 01:32:13,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:13,041 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 774 transitions. [2025-01-10 01:32:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 01:32:13,042 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:13,042 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:13,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-10 01:32:13,042 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:13,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1993248505, now seen corresponding path program 1 times [2025-01-10 01:32:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:13,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818704033] [2025-01-10 01:32:13,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:13,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 01:32:13,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 01:32:13,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:13,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:13,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818704033] [2025-01-10 01:32:13,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818704033] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:13,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666776735] [2025-01-10 01:32:13,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:13,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:13,142 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:13,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 01:32:13,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 01:32:13,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 01:32:13,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:13,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:13,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:32:13,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:13,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:13,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:13,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666776735] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:13,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:13,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2025-01-10 01:32:13,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334437251] [2025-01-10 01:32:13,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:13,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 01:32:13,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:13,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 01:32:13,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=626, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:32:13,410 INFO L87 Difference]: Start difference. First operand 578 states and 774 transitions. Second operand has 29 states, 28 states have (on average 2.5) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:13,558 INFO L93 Difference]: Finished difference Result 659 states and 877 transitions. [2025-01-10 01:32:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-10 01:32:13,558 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.5) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-01-10 01:32:13,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:13,560 INFO L225 Difference]: With dead ends: 659 [2025-01-10 01:32:13,560 INFO L226 Difference]: Without dead ends: 650 [2025-01-10 01:32:13,561 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2025-01-10 01:32:13,561 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 54 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:13,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 20 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2025-01-10 01:32:13,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 620. [2025-01-10 01:32:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 620 states, 617 states have (on average 1.3371150729335495) internal successors, (825), 619 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:13,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 620 states and 825 transitions. [2025-01-10 01:32:13,595 INFO L78 Accepts]: Start accepts. Automaton has 620 states and 825 transitions. Word has length 24 [2025-01-10 01:32:13,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:13,595 INFO L471 AbstractCegarLoop]: Abstraction has 620 states and 825 transitions. [2025-01-10 01:32:13,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.5) internal successors, (70), 29 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:13,595 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 825 transitions. [2025-01-10 01:32:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 01:32:13,596 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:13,596 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:13,605 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 01:32:13,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:13,800 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:13,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:13,800 INFO L85 PathProgramCache]: Analyzing trace with hash 315125356, now seen corresponding path program 1 times [2025-01-10 01:32:13,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:13,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246049970] [2025-01-10 01:32:13,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:13,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:13,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:32:13,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:32:13,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:13,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:13,898 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:13,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:13,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246049970] [2025-01-10 01:32:13,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1246049970] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:13,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999078667] [2025-01-10 01:32:13,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:13,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:13,900 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:13,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 01:32:13,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:32:13,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:32:13,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:13,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:13,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:32:13,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:14,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:14,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999078667] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:14,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:14,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 28 [2025-01-10 01:32:14,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649562708] [2025-01-10 01:32:14,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:14,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 01:32:14,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:14,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 01:32:14,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:32:14,199 INFO L87 Difference]: Start difference. First operand 620 states and 825 transitions. Second operand has 29 states, 28 states have (on average 2.7142857142857144) internal successors, (76), 29 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:14,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:14,392 INFO L93 Difference]: Finished difference Result 692 states and 908 transitions. [2025-01-10 01:32:14,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:32:14,392 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 2.7142857142857144) internal successors, (76), 29 states have internal predecessors, (76), 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 26 [2025-01-10 01:32:14,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:14,394 INFO L225 Difference]: With dead ends: 692 [2025-01-10 01:32:14,395 INFO L226 Difference]: Without dead ends: 685 [2025-01-10 01:32:14,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=216, Invalid=776, Unknown=0, NotChecked=0, Total=992 [2025-01-10 01:32:14,396 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 37 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:14,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 21 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:14,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2025-01-10 01:32:14,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 637. [2025-01-10 01:32:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 634 states have (on average 1.33596214511041) internal successors, (847), 636 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:14,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 847 transitions. [2025-01-10 01:32:14,427 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 847 transitions. Word has length 26 [2025-01-10 01:32:14,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:14,427 INFO L471 AbstractCegarLoop]: Abstraction has 637 states and 847 transitions. [2025-01-10 01:32:14,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 2.7142857142857144) internal successors, (76), 29 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:14,427 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 847 transitions. [2025-01-10 01:32:14,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 01:32:14,428 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:14,428 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:14,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 01:32:14,628 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,SelfDestructingSolverStorable20 [2025-01-10 01:32:14,629 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:14,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:14,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1991476472, now seen corresponding path program 1 times [2025-01-10 01:32:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:14,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84179775] [2025-01-10 01:32:14,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:14,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:14,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:32:14,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:32:14,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:14,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:14,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:14,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84179775] [2025-01-10 01:32:14,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84179775] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:14,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012729323] [2025-01-10 01:32:14,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:14,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:14,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:14,736 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:14,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 01:32:14,762 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:32:14,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:32:14,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:14,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:14,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:32:14,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:14,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:14,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012729323] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:14,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:14,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-01-10 01:32:14,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265100186] [2025-01-10 01:32:14,918 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:14,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 01:32:14,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:14,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 01:32:14,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:32:14,920 INFO L87 Difference]: Start difference. First operand 637 states and 847 transitions. Second operand has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:15,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:15,112 INFO L93 Difference]: Finished difference Result 1802 states and 2396 transitions. [2025-01-10 01:32:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-10 01:32:15,112 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2025-01-10 01:32:15,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:15,117 INFO L225 Difference]: With dead ends: 1802 [2025-01-10 01:32:15,117 INFO L226 Difference]: Without dead ends: 1801 [2025-01-10 01:32:15,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:32:15,120 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 119 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:15,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 142 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:15,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1801 states. [2025-01-10 01:32:15,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1801 to 937. [2025-01-10 01:32:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 937 states, 934 states have (on average 1.3404710920770877) internal successors, (1252), 936 states have internal predecessors, (1252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1252 transitions. [2025-01-10 01:32:15,152 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1252 transitions. Word has length 28 [2025-01-10 01:32:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:15,153 INFO L471 AbstractCegarLoop]: Abstraction has 937 states and 1252 transitions. [2025-01-10 01:32:15,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:15,153 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1252 transitions. [2025-01-10 01:32:15,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 01:32:15,154 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:15,154 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:15,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:32:15,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:15,354 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:15,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:15,355 INFO L85 PathProgramCache]: Analyzing trace with hash 2049198589, now seen corresponding path program 2 times [2025-01-10 01:32:15,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:15,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396720535] [2025-01-10 01:32:15,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:15,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:15,358 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-01-10 01:32:15,365 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:32:15,365 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:15,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:15,511 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:15,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396720535] [2025-01-10 01:32:15,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396720535] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:15,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294056816] [2025-01-10 01:32:15,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:15,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:15,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:15,513 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:15,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 01:32:15,534 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-01-10 01:32:15,543 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:32:15,543 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:15,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:15,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:32:15,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:15,727 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:15,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:15,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294056816] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:15,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:15,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2025-01-10 01:32:15,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121910179] [2025-01-10 01:32:15,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:15,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-10 01:32:15,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:15,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-10 01:32:15,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=1274, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 01:32:15,901 INFO L87 Difference]: Start difference. First operand 937 states and 1252 transitions. Second operand has 41 states, 40 states have (on average 2.35) internal successors, (94), 41 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:16,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:16,086 INFO L93 Difference]: Finished difference Result 986 states and 1310 transitions. [2025-01-10 01:32:16,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:32:16,086 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.35) internal successors, (94), 41 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2025-01-10 01:32:16,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:16,089 INFO L225 Difference]: With dead ends: 986 [2025-01-10 01:32:16,089 INFO L226 Difference]: Without dead ends: 975 [2025-01-10 01:32:16,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=387, Invalid=1335, Unknown=0, NotChecked=0, Total=1722 [2025-01-10 01:32:16,090 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 46 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:16,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 29 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:16,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2025-01-10 01:32:16,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 939. [2025-01-10 01:32:16,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 939 states, 936 states have (on average 1.3365384615384615) internal successors, (1251), 938 states have internal predecessors, (1251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 939 states and 1251 transitions. [2025-01-10 01:32:16,116 INFO L78 Accepts]: Start accepts. Automaton has 939 states and 1251 transitions. Word has length 32 [2025-01-10 01:32:16,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:16,117 INFO L471 AbstractCegarLoop]: Abstraction has 939 states and 1251 transitions. [2025-01-10 01:32:16,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.35) internal successors, (94), 41 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1251 transitions. [2025-01-10 01:32:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 01:32:16,117 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:16,117 INFO L218 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1] [2025-01-10 01:32:16,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 01:32:16,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:16,322 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:16,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:16,323 INFO L85 PathProgramCache]: Analyzing trace with hash -877284020, now seen corresponding path program 2 times [2025-01-10 01:32:16,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:16,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229722291] [2025-01-10 01:32:16,323 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:16,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:16,326 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-10 01:32:16,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 01:32:16,328 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:16,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:16,349 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2025-01-10 01:32:16,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:16,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229722291] [2025-01-10 01:32:16,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229722291] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:16,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793605408] [2025-01-10 01:32:16,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:16,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:16,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:16,351 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:16,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 01:32:16,373 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-10 01:32:16,380 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 01:32:16,380 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:16,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:16,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:32:16,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:16,509 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:16,509 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:16,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793605408] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:16,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:16,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 12, 12] total 24 [2025-01-10 01:32:16,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790011700] [2025-01-10 01:32:16,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:16,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-10 01:32:16,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:16,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-10 01:32:16,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=431, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:32:16,596 INFO L87 Difference]: Start difference. First operand 939 states and 1251 transitions. Second operand has 25 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 25 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:16,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:16,839 INFO L93 Difference]: Finished difference Result 1050 states and 1377 transitions. [2025-01-10 01:32:16,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 01:32:16,839 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 25 states have internal predecessors, (79), 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 36 [2025-01-10 01:32:16,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:16,842 INFO L225 Difference]: With dead ends: 1050 [2025-01-10 01:32:16,842 INFO L226 Difference]: Without dead ends: 1037 [2025-01-10 01:32:16,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=304, Invalid=886, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 01:32:16,843 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 60 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:16,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 45 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:16,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2025-01-10 01:32:16,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 997. [2025-01-10 01:32:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 994 states have (on average 1.3269617706237424) internal successors, (1319), 996 states have internal predecessors, (1319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1319 transitions. [2025-01-10 01:32:16,871 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1319 transitions. Word has length 36 [2025-01-10 01:32:16,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:16,871 INFO L471 AbstractCegarLoop]: Abstraction has 997 states and 1319 transitions. [2025-01-10 01:32:16,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.2916666666666665) internal successors, (79), 25 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1319 transitions. [2025-01-10 01:32:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 01:32:16,881 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:16,881 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:16,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:17,081 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,SelfDestructingSolverStorable23 [2025-01-10 01:32:17,081 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:17,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:17,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1053239432, now seen corresponding path program 2 times [2025-01-10 01:32:17,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:17,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019626130] [2025-01-10 01:32:17,082 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:17,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:17,088 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-10 01:32:17,091 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 01:32:17,091 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:17,091 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:17,200 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:17,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:17,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019626130] [2025-01-10 01:32:17,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019626130] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:17,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452294153] [2025-01-10 01:32:17,200 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:17,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:17,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:17,202 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:17,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 01:32:17,228 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-01-10 01:32:17,235 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 01:32:17,235 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:17,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:17,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:32:17,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:17,421 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:17,421 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:17,604 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:17,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452294153] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:17,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:17,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 40 [2025-01-10 01:32:17,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396322353] [2025-01-10 01:32:17,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:17,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-10 01:32:17,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:17,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-10 01:32:17,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=1306, Unknown=0, NotChecked=0, Total=1640 [2025-01-10 01:32:17,605 INFO L87 Difference]: Start difference. First operand 997 states and 1319 transitions. Second operand has 41 states, 40 states have (on average 2.65) internal successors, (106), 41 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:17,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:17,879 INFO L93 Difference]: Finished difference Result 1481 states and 1922 transitions. [2025-01-10 01:32:17,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-10 01:32:17,879 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.65) internal successors, (106), 41 states have internal predecessors, (106), 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 36 [2025-01-10 01:32:17,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:17,883 INFO L225 Difference]: With dead ends: 1481 [2025-01-10 01:32:17,883 INFO L226 Difference]: Without dead ends: 1464 [2025-01-10 01:32:17,884 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=464, Invalid=1792, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 01:32:17,885 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 81 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:17,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 32 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2025-01-10 01:32:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1294. [2025-01-10 01:32:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1294 states, 1291 states have (on average 1.310611928737413) internal successors, (1692), 1293 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1692 transitions. [2025-01-10 01:32:17,940 INFO L78 Accepts]: Start accepts. Automaton has 1294 states and 1692 transitions. Word has length 36 [2025-01-10 01:32:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:17,940 INFO L471 AbstractCegarLoop]: Abstraction has 1294 states and 1692 transitions. [2025-01-10 01:32:17,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.65) internal successors, (106), 41 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1692 transitions. [2025-01-10 01:32:17,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 01:32:17,941 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:17,941 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:17,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:18,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-10 01:32:18,142 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:18,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:18,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1039025673, now seen corresponding path program 3 times [2025-01-10 01:32:18,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:18,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224692579] [2025-01-10 01:32:18,143 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:18,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:18,148 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 5 equivalence classes. [2025-01-10 01:32:18,160 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 38 of 46 statements. [2025-01-10 01:32:18,161 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 01:32:18,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2025-01-10 01:32:18,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:18,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224692579] [2025-01-10 01:32:18,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224692579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:18,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:18,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:32:18,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187777377] [2025-01-10 01:32:18,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:18,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:32:18,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:18,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:32:18,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:18,219 INFO L87 Difference]: Start difference. First operand 1294 states and 1692 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:18,275 INFO L93 Difference]: Finished difference Result 1996 states and 2624 transitions. [2025-01-10 01:32:18,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:32:18,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 46 [2025-01-10 01:32:18,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:18,278 INFO L225 Difference]: With dead ends: 1996 [2025-01-10 01:32:18,278 INFO L226 Difference]: Without dead ends: 943 [2025-01-10 01:32:18,279 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:18,279 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:18,280 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 43 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:18,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2025-01-10 01:32:18,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 941. [2025-01-10 01:32:18,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 938 states have (on average 1.302771855010661) internal successors, (1222), 940 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:18,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1222 transitions. [2025-01-10 01:32:18,313 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1222 transitions. Word has length 46 [2025-01-10 01:32:18,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:18,313 INFO L471 AbstractCegarLoop]: Abstraction has 941 states and 1222 transitions. [2025-01-10 01:32:18,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:18,313 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1222 transitions. [2025-01-10 01:32:18,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 01:32:18,314 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:18,314 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:18,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-01-10 01:32:18,314 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:18,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:18,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1249241993, now seen corresponding path program 4 times [2025-01-10 01:32:18,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:18,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656771334] [2025-01-10 01:32:18,315 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:18,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:18,319 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 46 statements into 2 equivalence classes. [2025-01-10 01:32:18,334 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 01:32:18,335 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:32:18,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:18,546 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:18,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:18,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656771334] [2025-01-10 01:32:18,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656771334] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:18,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655053674] [2025-01-10 01:32:18,547 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:18,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:18,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:18,549 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:18,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 01:32:18,572 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 46 statements into 2 equivalence classes. [2025-01-10 01:32:18,582 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 01:32:18,582 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:32:18,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:18,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:32:18,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:18,877 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:19,167 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 94 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:19,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655053674] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:19,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:19,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2025-01-10 01:32:19,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762700569] [2025-01-10 01:32:19,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:19,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2025-01-10 01:32:19,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:19,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2025-01-10 01:32:19,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=708, Invalid=2714, Unknown=0, NotChecked=0, Total=3422 [2025-01-10 01:32:19,172 INFO L87 Difference]: Start difference. First operand 941 states and 1222 transitions. Second operand has 59 states, 58 states have (on average 2.3448275862068964) internal successors, (136), 59 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:19,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:19,401 INFO L93 Difference]: Finished difference Result 1127 states and 1453 transitions. [2025-01-10 01:32:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-10 01:32:19,401 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.3448275862068964) internal successors, (136), 59 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2025-01-10 01:32:19,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:19,404 INFO L225 Difference]: With dead ends: 1127 [2025-01-10 01:32:19,404 INFO L226 Difference]: Without dead ends: 1110 [2025-01-10 01:32:19,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1814 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=805, Invalid=3101, Unknown=0, NotChecked=0, Total=3906 [2025-01-10 01:32:19,405 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 109 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:19,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 33 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:19,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2025-01-10 01:32:19,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 979. [2025-01-10 01:32:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 979 states, 976 states have (on average 1.298155737704918) internal successors, (1267), 978 states have internal predecessors, (1267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 979 states and 1267 transitions. [2025-01-10 01:32:19,442 INFO L78 Accepts]: Start accepts. Automaton has 979 states and 1267 transitions. Word has length 46 [2025-01-10 01:32:19,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:19,442 INFO L471 AbstractCegarLoop]: Abstraction has 979 states and 1267 transitions. [2025-01-10 01:32:19,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.3448275862068964) internal successors, (136), 59 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1267 transitions. [2025-01-10 01:32:19,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 01:32:19,443 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:19,443 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:32:19,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:32:19,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:19,643 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:19,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:19,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1924430850, now seen corresponding path program 2 times [2025-01-10 01:32:19,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:19,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233008477] [2025-01-10 01:32:19,644 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:19,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:19,647 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 50 statements into 2 equivalence classes. [2025-01-10 01:32:19,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:32:19,650 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:19,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:19,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233008477] [2025-01-10 01:32:19,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233008477] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:19,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150893684] [2025-01-10 01:32:19,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:19,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:19,862 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:19,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 01:32:19,889 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 50 statements into 2 equivalence classes. [2025-01-10 01:32:19,898 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 01:32:19,898 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:19,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:19,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:32:19,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:20,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:20,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150893684] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:20,512 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:20,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 58 [2025-01-10 01:32:20,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580709522] [2025-01-10 01:32:20,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:20,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2025-01-10 01:32:20,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:20,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2025-01-10 01:32:20,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=660, Invalid=2762, Unknown=0, NotChecked=0, Total=3422 [2025-01-10 01:32:20,514 INFO L87 Difference]: Start difference. First operand 979 states and 1267 transitions. Second operand has 59 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 59 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:20,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:20,825 INFO L93 Difference]: Finished difference Result 1278 states and 1620 transitions. [2025-01-10 01:32:20,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-10 01:32:20,825 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 59 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2025-01-10 01:32:20,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:20,828 INFO L225 Difference]: With dead ends: 1278 [2025-01-10 01:32:20,828 INFO L226 Difference]: Without dead ends: 1259 [2025-01-10 01:32:20,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1974 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=843, Invalid=3579, Unknown=0, NotChecked=0, Total=4422 [2025-01-10 01:32:20,829 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 101 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:20,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 29 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:20,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2025-01-10 01:32:20,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1045. [2025-01-10 01:32:20,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 1042 states have (on average 1.293666026871401) internal successors, (1348), 1044 states have internal predecessors, (1348), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:20,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1348 transitions. [2025-01-10 01:32:20,864 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1348 transitions. Word has length 50 [2025-01-10 01:32:20,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:20,864 INFO L471 AbstractCegarLoop]: Abstraction has 1045 states and 1348 transitions. [2025-01-10 01:32:20,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 58 states have (on average 2.5517241379310347) internal successors, (148), 59 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:20,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1348 transitions. [2025-01-10 01:32:20,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 01:32:20,865 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:20,865 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:20,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 01:32:21,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 01:32:21,069 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:21,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:21,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1342074368, now seen corresponding path program 1 times [2025-01-10 01:32:21,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:21,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663926962] [2025-01-10 01:32:21,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:21,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:21,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 01:32:21,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 01:32:21,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:21,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-01-10 01:32:21,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:21,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663926962] [2025-01-10 01:32:21,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663926962] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:32:21,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:32:21,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:32:21,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120754385] [2025-01-10 01:32:21,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:32:21,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:32:21,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:21,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:32:21,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:21,091 INFO L87 Difference]: Start difference. First operand 1045 states and 1348 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:21,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:21,138 INFO L93 Difference]: Finished difference Result 1059 states and 1361 transitions. [2025-01-10 01:32:21,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:32:21,139 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 55 [2025-01-10 01:32:21,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:21,141 INFO L225 Difference]: With dead ends: 1059 [2025-01-10 01:32:21,141 INFO L226 Difference]: Without dead ends: 1019 [2025-01-10 01:32:21,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:32:21,142 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:21,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 16 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:21,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2025-01-10 01:32:21,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 1006. [2025-01-10 01:32:21,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1003 states have (on average 1.226321036889332) internal successors, (1230), 1005 states have internal predecessors, (1230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1230 transitions. [2025-01-10 01:32:21,178 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1230 transitions. Word has length 55 [2025-01-10 01:32:21,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:21,179 INFO L471 AbstractCegarLoop]: Abstraction has 1006 states and 1230 transitions. [2025-01-10 01:32:21,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:21,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1230 transitions. [2025-01-10 01:32:21,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 01:32:21,179 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:21,179 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:21,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2025-01-10 01:32:21,180 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:21,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash -762445830, now seen corresponding path program 5 times [2025-01-10 01:32:21,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:21,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786625186] [2025-01-10 01:32:21,180 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:21,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:21,183 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 56 statements into 8 equivalence classes. [2025-01-10 01:32:21,191 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 36 of 56 statements. [2025-01-10 01:32:21,191 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-10 01:32:21,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:21,301 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-10 01:32:21,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:21,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786625186] [2025-01-10 01:32:21,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786625186] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:21,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626975957] [2025-01-10 01:32:21,302 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:21,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:21,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:21,304 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:21,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 01:32:21,331 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 56 statements into 8 equivalence classes. [2025-01-10 01:32:21,340 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 36 of 56 statements. [2025-01-10 01:32:21,340 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-10 01:32:21,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:21,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:32:21,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:21,393 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-10 01:32:21,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-10 01:32:21,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626975957] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:21,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:21,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2025-01-10 01:32:21,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428783127] [2025-01-10 01:32:21,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:21,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:32:21,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:21,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:32:21,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:32:21,457 INFO L87 Difference]: Start difference. First operand 1006 states and 1230 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:21,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:21,506 INFO L93 Difference]: Finished difference Result 1261 states and 1539 transitions. [2025-01-10 01:32:21,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:32:21,506 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 56 [2025-01-10 01:32:21,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:21,507 INFO L225 Difference]: With dead ends: 1261 [2025-01-10 01:32:21,507 INFO L226 Difference]: Without dead ends: 326 [2025-01-10 01:32:21,510 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 11 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:32:21,511 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:21,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 30 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:21,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-01-10 01:32:21,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2025-01-10 01:32:21,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 323 states have (on average 1.1176470588235294) internal successors, (361), 325 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 361 transitions. [2025-01-10 01:32:21,551 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 361 transitions. Word has length 56 [2025-01-10 01:32:21,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:21,551 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 361 transitions. [2025-01-10 01:32:21,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:21,551 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 361 transitions. [2025-01-10 01:32:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-01-10 01:32:21,552 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:21,552 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 1, 1, 1] [2025-01-10 01:32:21,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:21,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:21,753 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:21,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:21,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1113782853, now seen corresponding path program 1 times [2025-01-10 01:32:21,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:21,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169028380] [2025-01-10 01:32:21,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:21,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:32:21,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:32:21,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:21,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:22,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:22,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169028380] [2025-01-10 01:32:22,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169028380] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:22,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929842267] [2025-01-10 01:32:22,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:32:22,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:22,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:22,007 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:22,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 01:32:22,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-10 01:32:22,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-10 01:32:22,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:22,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:22,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 01:32:22,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:22,106 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:22,106 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:22,502 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:22,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929842267] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:22,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:22,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2025-01-10 01:32:22,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83259374] [2025-01-10 01:32:22,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:22,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-01-10 01:32:22,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:22,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-01-10 01:32:22,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-01-10 01:32:22,503 INFO L87 Difference]: Start difference. First operand 326 states and 361 transitions. Second operand has 46 states, 45 states have (on average 2.9555555555555557) internal successors, (133), 46 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:22,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:22,688 INFO L93 Difference]: Finished difference Result 692 states and 805 transitions. [2025-01-10 01:32:22,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-10 01:32:22,689 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.9555555555555557) internal successors, (133), 46 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2025-01-10 01:32:22,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:22,690 INFO L225 Difference]: With dead ends: 692 [2025-01-10 01:32:22,691 INFO L226 Difference]: Without dead ends: 691 [2025-01-10 01:32:22,691 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-01-10 01:32:22,692 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 393 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:22,692 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 239 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-01-10 01:32:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 638. [2025-01-10 01:32:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 635 states have (on average 1.1543307086614174) internal successors, (733), 637 states have internal predecessors, (733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 733 transitions. [2025-01-10 01:32:22,745 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 733 transitions. Word has length 67 [2025-01-10 01:32:22,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:22,746 INFO L471 AbstractCegarLoop]: Abstraction has 638 states and 733 transitions. [2025-01-10 01:32:22,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.9555555555555557) internal successors, (133), 46 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 733 transitions. [2025-01-10 01:32:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 01:32:22,746 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:22,746 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 01:32:22,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 01:32:22,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:22,947 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:22,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:22,947 INFO L85 PathProgramCache]: Analyzing trace with hash -44319354, now seen corresponding path program 6 times [2025-01-10 01:32:22,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:22,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132416531] [2025-01-10 01:32:22,947 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:22,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:22,952 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 70 statements into 9 equivalence classes. [2025-01-10 01:32:22,974 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:32:22,974 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-10 01:32:22,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:23,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132416531] [2025-01-10 01:32:23,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132416531] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381556403] [2025-01-10 01:32:23,399 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:23,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:23,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:23,401 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:23,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 01:32:23,429 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 70 statements into 9 equivalence classes. [2025-01-10 01:32:23,444 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:32:23,444 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-10 01:32:23,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:23,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-10 01:32:23,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:23,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:24,543 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 224 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:24,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381556403] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:24,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:24,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 88 [2025-01-10 01:32:24,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234367632] [2025-01-10 01:32:24,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:24,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2025-01-10 01:32:24,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:24,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2025-01-10 01:32:24,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1510, Invalid=6322, Unknown=0, NotChecked=0, Total=7832 [2025-01-10 01:32:24,546 INFO L87 Difference]: Start difference. First operand 638 states and 733 transitions. Second operand has 89 states, 88 states have (on average 2.3636363636363638) internal successors, (208), 89 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:24,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:24,827 INFO L93 Difference]: Finished difference Result 657 states and 751 transitions. [2025-01-10 01:32:24,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-10 01:32:24,827 INFO L78 Accepts]: Start accepts. Automaton has has 89 states, 88 states have (on average 2.3636363636363638) internal successors, (208), 89 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2025-01-10 01:32:24,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:24,829 INFO L225 Difference]: With dead ends: 657 [2025-01-10 01:32:24,829 INFO L226 Difference]: Without dead ends: 638 [2025-01-10 01:32:24,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4226 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1510, Invalid=6322, Unknown=0, NotChecked=0, Total=7832 [2025-01-10 01:32:24,830 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 55 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:24,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 27 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:24,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 638 states. [2025-01-10 01:32:24,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 638 to 631. [2025-01-10 01:32:24,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 628 states have (on average 1.14171974522293) internal successors, (717), 630 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:24,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 717 transitions. [2025-01-10 01:32:24,868 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 717 transitions. Word has length 70 [2025-01-10 01:32:24,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:24,868 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 717 transitions. [2025-01-10 01:32:24,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 88 states have (on average 2.3636363636363638) internal successors, (208), 89 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:24,868 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 717 transitions. [2025-01-10 01:32:24,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:32:24,868 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:24,868 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:24,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:25,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:25,069 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:25,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:25,070 INFO L85 PathProgramCache]: Analyzing trace with hash 75187396, now seen corresponding path program 3 times [2025-01-10 01:32:25,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:25,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733544431] [2025-01-10 01:32:25,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:25,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:25,073 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 74 statements into 11 equivalence classes. [2025-01-10 01:32:25,082 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:32:25,083 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:32:25,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:25,404 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:25,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:25,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733544431] [2025-01-10 01:32:25,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733544431] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:25,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268593809] [2025-01-10 01:32:25,405 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:25,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:25,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:25,407 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:25,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 01:32:25,433 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 74 statements into 11 equivalence classes. [2025-01-10 01:32:25,449 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:32:25,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 01:32:25,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:25,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 01:32:25,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:25,879 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:25,879 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:26,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268593809] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:26,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:26,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 76 [2025-01-10 01:32:26,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134078633] [2025-01-10 01:32:26,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:26,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2025-01-10 01:32:26,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:26,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2025-01-10 01:32:26,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1218, Invalid=4634, Unknown=0, NotChecked=0, Total=5852 [2025-01-10 01:32:26,435 INFO L87 Difference]: Start difference. First operand 631 states and 717 transitions. Second operand has 77 states, 76 states have (on average 2.8947368421052633) internal successors, (220), 77 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:26,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:26,693 INFO L93 Difference]: Finished difference Result 777 states and 875 transitions. [2025-01-10 01:32:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-10 01:32:26,694 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 76 states have (on average 2.8947368421052633) internal successors, (220), 77 states have internal predecessors, (220), 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 74 [2025-01-10 01:32:26,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:26,695 INFO L225 Difference]: With dead ends: 777 [2025-01-10 01:32:26,695 INFO L226 Difference]: Without dead ends: 754 [2025-01-10 01:32:26,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3064 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1218, Invalid=4634, Unknown=0, NotChecked=0, Total=5852 [2025-01-10 01:32:26,697 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 48 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:26,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 34 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 433 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:26,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2025-01-10 01:32:26,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 752. [2025-01-10 01:32:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 749 states have (on average 1.1188251001335114) internal successors, (838), 751 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 838 transitions. [2025-01-10 01:32:26,754 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 838 transitions. Word has length 74 [2025-01-10 01:32:26,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:26,754 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 838 transitions. [2025-01-10 01:32:26,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 76 states have (on average 2.8947368421052633) internal successors, (220), 77 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 838 transitions. [2025-01-10 01:32:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-10 01:32:26,754 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:26,754 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1] [2025-01-10 01:32:26,760 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-10 01:32:26,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-01-10 01:32:26,959 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:26,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:26,959 INFO L85 PathProgramCache]: Analyzing trace with hash 428206493, now seen corresponding path program 2 times [2025-01-10 01:32:26,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:26,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808112417] [2025-01-10 01:32:26,959 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:26,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:26,962 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 80 statements into 2 equivalence classes. [2025-01-10 01:32:26,969 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 01:32:26,969 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:26,969 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:27,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:27,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808112417] [2025-01-10 01:32:27,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808112417] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:27,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686162326] [2025-01-10 01:32:27,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:27,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:27,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:27,256 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:27,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 01:32:27,282 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 80 statements into 2 equivalence classes. [2025-01-10 01:32:27,296 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 01:32:27,296 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:27,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:27,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 01:32:27,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:27,364 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:27,795 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 0 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:27,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686162326] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:27,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:27,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 49 [2025-01-10 01:32:27,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796680934] [2025-01-10 01:32:27,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:27,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-01-10 01:32:27,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:27,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-01-10 01:32:27,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=649, Invalid=1801, Unknown=0, NotChecked=0, Total=2450 [2025-01-10 01:32:27,796 INFO L87 Difference]: Start difference. First operand 752 states and 838 transitions. Second operand has 50 states, 49 states have (on average 3.2448979591836733) internal successors, (159), 50 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:28,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:28,058 INFO L93 Difference]: Finished difference Result 1724 states and 1951 transitions. [2025-01-10 01:32:28,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-10 01:32:28,058 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 49 states have (on average 3.2448979591836733) internal successors, (159), 50 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2025-01-10 01:32:28,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:28,062 INFO L225 Difference]: With dead ends: 1724 [2025-01-10 01:32:28,062 INFO L226 Difference]: Without dead ends: 1723 [2025-01-10 01:32:28,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=649, Invalid=1801, Unknown=0, NotChecked=0, Total=2450 [2025-01-10 01:32:28,063 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 202 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:28,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 174 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:32:28,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2025-01-10 01:32:28,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 752. [2025-01-10 01:32:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 749 states have (on average 1.1001335113484647) internal successors, (824), 751 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:28,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 824 transitions. [2025-01-10 01:32:28,118 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 824 transitions. Word has length 80 [2025-01-10 01:32:28,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:28,118 INFO L471 AbstractCegarLoop]: Abstraction has 752 states and 824 transitions. [2025-01-10 01:32:28,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 49 states have (on average 3.2448979591836733) internal successors, (159), 50 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:28,119 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 824 transitions. [2025-01-10 01:32:28,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 01:32:28,119 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:28,119 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 7, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:32:28,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-10 01:32:28,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 01:32:28,324 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:28,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:28,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1085680603, now seen corresponding path program 4 times [2025-01-10 01:32:28,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:28,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795422707] [2025-01-10 01:32:28,324 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:28,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:28,327 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-01-10 01:32:28,334 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 01:32:28,335 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:32:28,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:28,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:28,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795422707] [2025-01-10 01:32:28,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795422707] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:28,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [161655996] [2025-01-10 01:32:28,724 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:32:28,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:28,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:28,725 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:28,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 01:32:28,749 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-01-10 01:32:28,771 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 01:32:28,771 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:32:28,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:28,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-10 01:32:28,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:29,297 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 294 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:29,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [161655996] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:29,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:29,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 94 [2025-01-10 01:32:29,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191150617] [2025-01-10 01:32:29,912 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:29,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-01-10 01:32:29,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:29,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-01-10 01:32:29,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1648, Invalid=7282, Unknown=0, NotChecked=0, Total=8930 [2025-01-10 01:32:29,914 INFO L87 Difference]: Start difference. First operand 752 states and 824 transitions. Second operand has 95 states, 94 states have (on average 2.6595744680851063) internal successors, (250), 95 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:30,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:30,205 INFO L93 Difference]: Finished difference Result 891 states and 976 transitions. [2025-01-10 01:32:30,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-10 01:32:30,206 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 94 states have (on average 2.6595744680851063) internal successors, (250), 95 states have internal predecessors, (250), 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 84 [2025-01-10 01:32:30,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:30,208 INFO L225 Difference]: With dead ends: 891 [2025-01-10 01:32:30,208 INFO L226 Difference]: Without dead ends: 870 [2025-01-10 01:32:30,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1648, Invalid=7282, Unknown=0, NotChecked=0, Total=8930 [2025-01-10 01:32:30,208 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 59 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:30,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 35 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:30,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2025-01-10 01:32:30,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 819. [2025-01-10 01:32:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 816 states have (on average 1.0919117647058822) internal successors, (891), 818 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 891 transitions. [2025-01-10 01:32:30,257 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 891 transitions. Word has length 84 [2025-01-10 01:32:30,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:30,257 INFO L471 AbstractCegarLoop]: Abstraction has 819 states and 891 transitions. [2025-01-10 01:32:30,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 94 states have (on average 2.6595744680851063) internal successors, (250), 95 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 891 transitions. [2025-01-10 01:32:30,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-01-10 01:32:30,258 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:30,258 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 10, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 01:32:30,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 01:32:30,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-01-10 01:32:30,462 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:30,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:30,462 INFO L85 PathProgramCache]: Analyzing trace with hash 512765352, now seen corresponding path program 5 times [2025-01-10 01:32:30,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:30,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714489728] [2025-01-10 01:32:30,462 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:30,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:30,467 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 116 statements into 11 equivalence classes. [2025-01-10 01:32:30,485 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 116 of 116 statements. [2025-01-10 01:32:30,488 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-01-10 01:32:30,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:31,120 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:31,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:31,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714489728] [2025-01-10 01:32:31,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714489728] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:31,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1680326807] [2025-01-10 01:32:31,120 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:32:31,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:31,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:31,122 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:31,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 01:32:31,150 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 116 statements into 11 equivalence classes. [2025-01-10 01:32:31,171 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 116 of 116 statements. [2025-01-10 01:32:31,171 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-01-10 01:32:31,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:31,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-01-10 01:32:31,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:32,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:33,227 INFO L134 CoverageAnalysis]: Checked inductivity of 606 backedges. 0 proven. 606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:33,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1680326807] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:33,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:33,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 44, 44] total 130 [2025-01-10 01:32:33,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930264828] [2025-01-10 01:32:33,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:33,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2025-01-10 01:32:33,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:33,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2025-01-10 01:32:33,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3084, Invalid=13946, Unknown=0, NotChecked=0, Total=17030 [2025-01-10 01:32:33,230 INFO L87 Difference]: Start difference. First operand 819 states and 891 transitions. Second operand has 131 states, 130 states have (on average 2.6615384615384614) internal successors, (346), 131 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:33,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:33,623 INFO L93 Difference]: Finished difference Result 1054 states and 1156 transitions. [2025-01-10 01:32:33,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2025-01-10 01:32:33,623 INFO L78 Accepts]: Start accepts. Automaton has has 131 states, 130 states have (on average 2.6615384615384614) internal successors, (346), 131 states have internal predecessors, (346), 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 116 [2025-01-10 01:32:33,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:33,625 INFO L225 Difference]: With dead ends: 1054 [2025-01-10 01:32:33,625 INFO L226 Difference]: Without dead ends: 1025 [2025-01-10 01:32:33,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9658 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=3084, Invalid=13946, Unknown=0, NotChecked=0, Total=17030 [2025-01-10 01:32:33,626 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 93 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:33,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 26 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:33,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2025-01-10 01:32:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 770. [2025-01-10 01:32:33,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 767 states have (on average 1.1029986962190352) internal successors, (846), 769 states have internal predecessors, (846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:33,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 846 transitions. [2025-01-10 01:32:33,676 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 846 transitions. Word has length 116 [2025-01-10 01:32:33,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:33,676 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 846 transitions. [2025-01-10 01:32:33,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 130 states have (on average 2.6615384615384614) internal successors, (346), 131 states have internal predecessors, (346), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:33,676 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 846 transitions. [2025-01-10 01:32:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-01-10 01:32:33,677 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:33,677 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1] [2025-01-10 01:32:33,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 01:32:33,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 01:32:33,881 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:33,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:33,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1969001185, now seen corresponding path program 6 times [2025-01-10 01:32:33,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:33,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668130044] [2025-01-10 01:32:33,881 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:33,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:33,889 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 132 statements into 15 equivalence classes. [2025-01-10 01:32:33,938 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 132 of 132 statements. [2025-01-10 01:32:33,938 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-10 01:32:33,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:35,554 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 0 proven. 846 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:35,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:35,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668130044] [2025-01-10 01:32:35,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668130044] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:35,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557482355] [2025-01-10 01:32:35,554 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-10 01:32:35,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:35,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:35,560 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:35,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-10 01:32:35,599 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 132 statements into 15 equivalence classes. [2025-01-10 01:32:35,633 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 132 of 132 statements. [2025-01-10 01:32:35,633 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-10 01:32:35,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:35,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-01-10 01:32:35,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:36,998 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 0 proven. 846 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:36,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 846 backedges. 0 proven. 846 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:38,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557482355] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:38,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:38,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 56, 56] total 166 [2025-01-10 01:32:38,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758949770] [2025-01-10 01:32:38,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:38,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 167 states [2025-01-10 01:32:38,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:38,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2025-01-10 01:32:38,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5138, Invalid=22584, Unknown=0, NotChecked=0, Total=27722 [2025-01-10 01:32:38,991 INFO L87 Difference]: Start difference. First operand 770 states and 846 transitions. Second operand has 167 states, 166 states have (on average 2.3433734939759034) internal successors, (389), 167 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:39,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:39,499 INFO L93 Difference]: Finished difference Result 809 states and 884 transitions. [2025-01-10 01:32:39,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2025-01-10 01:32:39,499 INFO L78 Accepts]: Start accepts. Automaton has has 167 states, 166 states have (on average 2.3433734939759034) internal successors, (389), 167 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2025-01-10 01:32:39,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:39,501 INFO L225 Difference]: With dead ends: 809 [2025-01-10 01:32:39,501 INFO L226 Difference]: Without dead ends: 770 [2025-01-10 01:32:39,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15973 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=5138, Invalid=22584, Unknown=0, NotChecked=0, Total=27722 [2025-01-10 01:32:39,503 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 153 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:39,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 34 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:32:39,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2025-01-10 01:32:39,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 721. [2025-01-10 01:32:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 718 states have (on average 1.083565459610028) internal successors, (778), 720 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 778 transitions. [2025-01-10 01:32:39,559 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 778 transitions. Word has length 132 [2025-01-10 01:32:39,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:39,559 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 778 transitions. [2025-01-10 01:32:39,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 167 states, 166 states have (on average 2.3433734939759034) internal successors, (389), 167 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 778 transitions. [2025-01-10 01:32:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-01-10 01:32:39,560 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:39,560 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 1, 1, 1] [2025-01-10 01:32:39,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-01-10 01:32:39,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 01:32:39,762 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:39,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:39,762 INFO L85 PathProgramCache]: Analyzing trace with hash -454111679, now seen corresponding path program 2 times [2025-01-10 01:32:39,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:39,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451090978] [2025-01-10 01:32:39,762 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:39,772 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 139 statements into 2 equivalence classes. [2025-01-10 01:32:39,772 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 139 statements. [2025-01-10 01:32:39,772 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:32:39,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2025-01-10 01:32:39,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:39,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451090978] [2025-01-10 01:32:39,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451090978] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:39,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605537895] [2025-01-10 01:32:39,786 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:39,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:39,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:39,790 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:39,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-10 01:32:39,826 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 139 statements into 2 equivalence classes. [2025-01-10 01:32:39,829 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 7 of 139 statements. [2025-01-10 01:32:39,829 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:32:39,829 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:39,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:32:39,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:39,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2025-01-10 01:32:39,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2025-01-10 01:32:40,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605537895] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:40,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:40,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2025-01-10 01:32:40,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250353096] [2025-01-10 01:32:40,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:40,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:32:40,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:40,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:32:40,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:32:40,051 INFO L87 Difference]: Start difference. First operand 721 states and 778 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:40,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:40,110 INFO L93 Difference]: Finished difference Result 721 states and 778 transitions. [2025-01-10 01:32:40,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:32:40,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2025-01-10 01:32:40,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:40,112 INFO L225 Difference]: With dead ends: 721 [2025-01-10 01:32:40,112 INFO L226 Difference]: Without dead ends: 584 [2025-01-10 01:32:40,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 275 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:32:40,112 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:40,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 38 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:32:40,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2025-01-10 01:32:40,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 430. [2025-01-10 01:32:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 428 states have (on average 1.0794392523364487) internal successors, (462), 429 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 462 transitions. [2025-01-10 01:32:40,140 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 462 transitions. Word has length 139 [2025-01-10 01:32:40,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:40,140 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 462 transitions. [2025-01-10 01:32:40,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 462 transitions. [2025-01-10 01:32:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-01-10 01:32:40,141 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:40,141 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 15, 10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1] [2025-01-10 01:32:40,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-01-10 01:32:40,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-10 01:32:40,341 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:40,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash 813350859, now seen corresponding path program 7 times [2025-01-10 01:32:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089065797] [2025-01-10 01:32:40,342 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:32:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:40,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-10 01:32:40,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-10 01:32:40,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:40,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 0 proven. 1244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:41,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:41,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089065797] [2025-01-10 01:32:41,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089065797] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:41,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580752475] [2025-01-10 01:32:41,620 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-10 01:32:41,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:41,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:41,622 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:41,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-01-10 01:32:41,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-01-10 01:32:41,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-01-10 01:32:41,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:32:41,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:41,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-01-10 01:32:41,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 0 proven. 1244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:43,087 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1244 backedges. 0 proven. 1244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:45,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580752475] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:45,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:45,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 60, 60] total 178 [2025-01-10 01:32:45,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992096000] [2025-01-10 01:32:45,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:45,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 179 states [2025-01-10 01:32:45,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:45,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2025-01-10 01:32:45,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5740, Invalid=26122, Unknown=0, NotChecked=0, Total=31862 [2025-01-10 01:32:45,081 INFO L87 Difference]: Start difference. First operand 430 states and 462 transitions. Second operand has 179 states, 178 states have (on average 2.6853932584269664) internal successors, (478), 179 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:45,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:45,608 INFO L93 Difference]: Finished difference Result 787 states and 838 transitions. [2025-01-10 01:32:45,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2025-01-10 01:32:45,609 INFO L78 Accepts]: Start accepts. Automaton has has 179 states, 178 states have (on average 2.6853932584269664) internal successors, (478), 179 states have internal predecessors, (478), 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 160 [2025-01-10 01:32:45,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:45,610 INFO L225 Difference]: With dead ends: 787 [2025-01-10 01:32:45,610 INFO L226 Difference]: Without dead ends: 746 [2025-01-10 01:32:45,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 378 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18442 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=5740, Invalid=26122, Unknown=0, NotChecked=0, Total=31862 [2025-01-10 01:32:45,612 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 116 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:45,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 27 Invalid, 797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:32:45,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states. [2025-01-10 01:32:45,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 502. [2025-01-10 01:32:45,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 500 states have (on average 1.068) internal successors, (534), 501 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:45,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 534 transitions. [2025-01-10 01:32:45,663 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 534 transitions. Word has length 160 [2025-01-10 01:32:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:45,663 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 534 transitions. [2025-01-10 01:32:45,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 179 states, 178 states have (on average 2.6853932584269664) internal successors, (478), 179 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 534 transitions. [2025-01-10 01:32:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2025-01-10 01:32:45,664 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:45,664 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 25, 13, 13, 12, 12, 12, 12, 12, 12, 1, 1, 1] [2025-01-10 01:32:45,670 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-01-10 01:32:45,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-01-10 01:32:45,867 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:45,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:45,867 INFO L85 PathProgramCache]: Analyzing trace with hash 655093425, now seen corresponding path program 3 times [2025-01-10 01:32:45,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:45,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754309175] [2025-01-10 01:32:45,867 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:45,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:45,872 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 178 statements into 19 equivalence classes. [2025-01-10 01:32:45,902 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 178 of 178 statements. [2025-01-10 01:32:45,902 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-01-10 01:32:45,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:47,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754309175] [2025-01-10 01:32:47,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754309175] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:47,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386192924] [2025-01-10 01:32:47,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:47,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:47,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:47,125 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:47,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-01-10 01:32:47,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 178 statements into 19 equivalence classes. [2025-01-10 01:32:47,191 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) and asserted 178 of 178 statements. [2025-01-10 01:32:47,191 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2025-01-10 01:32:47,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:47,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 53 conjuncts are in the unsatisfiable core [2025-01-10 01:32:47,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:47,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:47,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:48,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386192924] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:48,842 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:48,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 105 [2025-01-10 01:32:48,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529911108] [2025-01-10 01:32:48,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:48,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-01-10 01:32:48,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:48,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-01-10 01:32:48,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2861, Invalid=8269, Unknown=0, NotChecked=0, Total=11130 [2025-01-10 01:32:48,844 INFO L87 Difference]: Start difference. First operand 502 states and 534 transitions. Second operand has 106 states, 105 states have (on average 3.380952380952381) internal successors, (355), 106 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:49,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:49,561 INFO L93 Difference]: Finished difference Result 2319 states and 2409 transitions. [2025-01-10 01:32:49,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2025-01-10 01:32:49,561 INFO L78 Accepts]: Start accepts. Automaton has has 106 states, 105 states have (on average 3.380952380952381) internal successors, (355), 106 states have internal predecessors, (355), 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 178 [2025-01-10 01:32:49,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:49,566 INFO L225 Difference]: With dead ends: 2319 [2025-01-10 01:32:49,566 INFO L226 Difference]: Without dead ends: 2318 [2025-01-10 01:32:49,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3226 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2861, Invalid=8269, Unknown=0, NotChecked=0, Total=11130 [2025-01-10 01:32:49,567 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 315 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:49,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 263 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:32:49,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states. [2025-01-10 01:32:49,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 617. [2025-01-10 01:32:49,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 617 states, 615 states have (on average 1.0634146341463415) internal successors, (654), 616 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 654 transitions. [2025-01-10 01:32:49,634 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 654 transitions. Word has length 178 [2025-01-10 01:32:49,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:49,634 INFO L471 AbstractCegarLoop]: Abstraction has 617 states and 654 transitions. [2025-01-10 01:32:49,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 105 states have (on average 3.380952380952381) internal successors, (355), 106 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 654 transitions. [2025-01-10 01:32:49,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-01-10 01:32:49,642 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:49,642 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 20, 12, 12, 12, 6, 6, 6, 1, 1, 1, 1, 1] [2025-01-10 01:32:49,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 01:32:49,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-01-10 01:32:49,847 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:49,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:49,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1691782994, now seen corresponding path program 8 times [2025-01-10 01:32:49,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:49,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964858900] [2025-01-10 01:32:49,847 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:49,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:49,852 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-01-10 01:32:49,867 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-01-10 01:32:49,868 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:49,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 0 proven. 2114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:51,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:32:51,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964858900] [2025-01-10 01:32:51,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964858900] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:32:51,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857443037] [2025-01-10 01:32:51,783 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:32:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:51,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:32:51,786 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:32:51,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-10 01:32:51,818 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-01-10 01:32:51,843 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-01-10 01:32:51,843 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:32:51,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:32:51,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 77 conjuncts are in the unsatisfiable core [2025-01-10 01:32:51,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:32:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 0 proven. 2114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:54,088 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:32:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2114 backedges. 0 proven. 2114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:32:57,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857443037] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:32:57,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:32:57,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [76, 76, 76] total 226 [2025-01-10 01:32:57,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732055419] [2025-01-10 01:32:57,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:32:57,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2025-01-10 01:32:57,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:32:57,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2025-01-10 01:32:57,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9228, Invalid=42074, Unknown=0, NotChecked=0, Total=51302 [2025-01-10 01:32:57,389 INFO L87 Difference]: Start difference. First operand 617 states and 654 transitions. Second operand has 227 states, 226 states have (on average 2.6991150442477876) internal successors, (610), 227 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:58,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:32:58,227 INFO L93 Difference]: Finished difference Result 1113 states and 1175 transitions. [2025-01-10 01:32:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2025-01-10 01:32:58,228 INFO L78 Accepts]: Start accepts. Automaton has has 227 states, 226 states have (on average 2.6991150442477876) internal successors, (610), 227 states have internal predecessors, (610), 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 204 [2025-01-10 01:32:58,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:32:58,230 INFO L225 Difference]: With dead ends: 1113 [2025-01-10 01:32:58,230 INFO L226 Difference]: Without dead ends: 1060 [2025-01-10 01:32:58,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 482 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30034 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=9228, Invalid=42074, Unknown=0, NotChecked=0, Total=51302 [2025-01-10 01:32:58,236 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 152 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:32:58,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 28 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:32:58,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2025-01-10 01:32:58,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 689. [2025-01-10 01:32:58,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 687 states have (on average 1.056768558951965) internal successors, (726), 688 states have internal predecessors, (726), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:58,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 726 transitions. [2025-01-10 01:32:58,351 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 726 transitions. Word has length 204 [2025-01-10 01:32:58,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:32:58,351 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 726 transitions. [2025-01-10 01:32:58,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 226 states have (on average 2.6991150442477876) internal successors, (610), 227 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:32:58,351 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 726 transitions. [2025-01-10 01:32:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2025-01-10 01:32:58,353 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:32:58,353 INFO L218 NwaCegarLoop]: trace histogram [26, 26, 26, 19, 19, 19, 19, 19, 13, 13, 13, 7, 1, 1, 1, 1, 1] [2025-01-10 01:32:58,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-01-10 01:32:58,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:32:58,554 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:32:58,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:32:58,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1832351277, now seen corresponding path program 9 times [2025-01-10 01:32:58,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:32:58,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429279676] [2025-01-10 01:32:58,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:32:58,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:32:58,560 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 224 statements into 21 equivalence classes. [2025-01-10 01:32:58,618 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) and asserted 224 of 224 statements. [2025-01-10 01:32:58,618 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2025-01-10 01:32:58,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:33:01,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 0 proven. 2364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:01,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:33:01,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429279676] [2025-01-10 01:33:01,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429279676] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:33:01,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512324955] [2025-01-10 01:33:01,365 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:33:01,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:33:01,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:33:01,367 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:33:01,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 01:33:01,400 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 224 statements into 21 equivalence classes. [2025-01-10 01:33:01,449 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) and asserted 224 of 224 statements. [2025-01-10 01:33:01,449 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2025-01-10 01:33:01,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:33:01,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 93 conjuncts are in the unsatisfiable core [2025-01-10 01:33:01,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:33:04,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 0 proven. 2364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:04,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:33:08,909 INFO L134 CoverageAnalysis]: Checked inductivity of 2364 backedges. 0 proven. 2364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:08,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512324955] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:33:08,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:33:08,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [92, 92, 92] total 274 [2025-01-10 01:33:08,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007716191] [2025-01-10 01:33:08,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:33:08,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 275 states [2025-01-10 01:33:08,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:33:08,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 275 interpolants. [2025-01-10 01:33:08,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13068, Invalid=62282, Unknown=0, NotChecked=0, Total=75350 [2025-01-10 01:33:08,916 INFO L87 Difference]: Start difference. First operand 689 states and 726 transitions. Second operand has 275 states, 274 states have (on average 2.4452554744525545) internal successors, (670), 275 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:33:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:33:10,063 INFO L93 Difference]: Finished difference Result 1068 states and 1124 transitions. [2025-01-10 01:33:10,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-10 01:33:10,064 INFO L78 Accepts]: Start accepts. Automaton has has 275 states, 274 states have (on average 2.4452554744525545) internal successors, (670), 275 states have internal predecessors, (670), 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 224 [2025-01-10 01:33:10,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:33:10,066 INFO L225 Difference]: With dead ends: 1068 [2025-01-10 01:33:10,067 INFO L226 Difference]: Without dead ends: 1011 [2025-01-10 01:33:10,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 273 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44698 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=13068, Invalid=62282, Unknown=0, NotChecked=0, Total=75350 [2025-01-10 01:33:10,069 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 263 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:33:10,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 27 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:33:10,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-01-10 01:33:10,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 689. [2025-01-10 01:33:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 689 states, 687 states have (on average 1.0451237263464337) internal successors, (718), 688 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:33:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 718 transitions. [2025-01-10 01:33:10,181 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 718 transitions. Word has length 224 [2025-01-10 01:33:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:33:10,181 INFO L471 AbstractCegarLoop]: Abstraction has 689 states and 718 transitions. [2025-01-10 01:33:10,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 275 states, 274 states have (on average 2.4452554744525545) internal successors, (670), 275 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:33:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 718 transitions. [2025-01-10 01:33:10,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2025-01-10 01:33:10,183 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:33:10,183 INFO L218 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 33, 14, 14, 14, 7, 7, 7, 1, 1, 1, 1, 1] [2025-01-10 01:33:10,191 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-01-10 01:33:10,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2025-01-10 01:33:10,388 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:33:10,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:33:10,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1591179095, now seen corresponding path program 10 times [2025-01-10 01:33:10,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:33:10,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717034797] [2025-01-10 01:33:10,388 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:33:10,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:33:10,396 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 296 statements into 2 equivalence classes. [2025-01-10 01:33:10,419 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 296 of 296 statements. [2025-01-10 01:33:10,419 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:33:10,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:33:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4888 backedges. 0 proven. 4888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:14,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:33:14,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717034797] [2025-01-10 01:33:14,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717034797] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:33:14,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490598945] [2025-01-10 01:33:14,200 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 01:33:14,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:33:14,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:33:14,202 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:33:14,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 01:33:14,237 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 296 statements into 2 equivalence classes. [2025-01-10 01:33:14,280 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 296 of 296 statements. [2025-01-10 01:33:14,280 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 01:33:14,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:33:14,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 109 conjuncts are in the unsatisfiable core [2025-01-10 01:33:14,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:33:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4888 backedges. 0 proven. 4888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:18,269 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:33:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4888 backedges. 0 proven. 4888 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:24,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490598945] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:33:24,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:33:24,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [108, 108, 108] total 322 [2025-01-10 01:33:24,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378274442] [2025-01-10 01:33:24,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:33:24,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 323 states [2025-01-10 01:33:24,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:33:24,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 323 interpolants. [2025-01-10 01:33:24,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19068, Invalid=84938, Unknown=0, NotChecked=0, Total=104006 [2025-01-10 01:33:24,494 INFO L87 Difference]: Start difference. First operand 689 states and 718 transitions. Second operand has 323 states, 322 states have (on average 2.751552795031056) internal successors, (886), 323 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:33:26,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:33:26,075 INFO L93 Difference]: Finished difference Result 1591 states and 1659 transitions. [2025-01-10 01:33:26,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2025-01-10 01:33:26,076 INFO L78 Accepts]: Start accepts. Automaton has has 323 states, 322 states have (on average 2.751552795031056) internal successors, (886), 323 states have internal predecessors, (886), 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 296 [2025-01-10 01:33:26,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:33:26,079 INFO L225 Difference]: With dead ends: 1591 [2025-01-10 01:33:26,079 INFO L226 Difference]: Without dead ends: 1510 [2025-01-10 01:33:26,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 321 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61418 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=19068, Invalid=84938, Unknown=0, NotChecked=0, Total=104006 [2025-01-10 01:33:26,083 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 269 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 1167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:33:26,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 21 Invalid, 1167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1167 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:33:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states. [2025-01-10 01:33:26,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 857. [2025-01-10 01:33:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 857 states, 855 states have (on average 1.0362573099415204) internal successors, (886), 856 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:33:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 886 transitions. [2025-01-10 01:33:26,294 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 886 transitions. Word has length 296 [2025-01-10 01:33:26,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:33:26,294 INFO L471 AbstractCegarLoop]: Abstraction has 857 states and 886 transitions. [2025-01-10 01:33:26,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 323 states, 322 states have (on average 2.751552795031056) internal successors, (886), 323 states have internal predecessors, (886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:33:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 886 transitions. [2025-01-10 01:33:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2025-01-10 01:33:26,299 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:33:26,299 INFO L218 NwaCegarLoop]: trace histogram [33, 33, 33, 33, 33, 30, 30, 30, 19, 15, 15, 15, 1, 1, 1, 1, 1] [2025-01-10 01:33:26,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-01-10 01:33:26,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:33:26,504 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 01:33:26,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:33:26,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1699979759, now seen corresponding path program 11 times [2025-01-10 01:33:26,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:33:26,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726123224] [2025-01-10 01:33:26,504 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:33:26,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:33:26,512 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 324 statements into 25 equivalence classes. [2025-01-10 01:33:26,596 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) and asserted 324 of 324 statements. [2025-01-10 01:33:26,596 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2025-01-10 01:33:26,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:33:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 0 proven. 4974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:33:31,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:33:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726123224] [2025-01-10 01:33:31,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726123224] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:33:31,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481093661] [2025-01-10 01:33:31,670 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 01:33:31,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:33:31,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:33:31,672 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:33:31,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 01:33:31,710 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 324 statements into 25 equivalence classes. [2025-01-10 01:33:31,807 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) and asserted 324 of 324 statements. [2025-01-10 01:33:31,808 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 25 check-sat command(s) [2025-01-10 01:33:31,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:33:31,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-01-10 01:33:31,815 INFO L279 TraceCheckSpWp]: Computing forward predicates...