./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-007.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/xcsp/AllInterval-007.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 10:06:58,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 10:06:58,993 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 10:06:58,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 10:06:58,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 10:06:59,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 10:06:59,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 10:06:59,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 10:06:59,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 10:06:59,011 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 10:06:59,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 10:06:59,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 10:06:59,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 10:06:59,012 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 10:06:59,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 10:06:59,013 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 10:06:59,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:06:59,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 10:06:59,014 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79ad480fc17f59cc4e46ec2dbc023b5da3460c72b3c8ca1cc6dbc35a93f8cf64 [2025-02-08 10:06:59,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 10:06:59,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 10:06:59,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 10:06:59,248 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 10:06:59,249 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 10:06:59,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-007.c [2025-02-08 10:07:00,546 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce9402863/e1424772df5e4c1da12f9743adbf2d73/FLAG7f5ff66c4 [2025-02-08 10:07:00,806 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 10:07:00,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-007.c [2025-02-08 10:07:00,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce9402863/e1424772df5e4c1da12f9743adbf2d73/FLAG7f5ff66c4 [2025-02-08 10:07:01,146 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce9402863/e1424772df5e4c1da12f9743adbf2d73 [2025-02-08 10:07:01,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 10:07:01,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 10:07:01,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 10:07:01,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 10:07:01,153 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 10:07:01,154 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d795288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01, skipping insertion in model container [2025-02-08 10:07:01,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 10:07:01,293 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:07:01,304 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 10:07:01,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:07:01,352 INFO L204 MainTranslator]: Completed translation [2025-02-08 10:07:01,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01 WrapperNode [2025-02-08 10:07:01,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 10:07:01,354 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 10:07:01,354 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 10:07:01,354 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 10:07:01,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,390 INFO L138 Inliner]: procedures = 13, calls = 76, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 211 [2025-02-08 10:07:01,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 10:07:01,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 10:07:01,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 10:07:01,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 10:07:01,401 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,422 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 10:07:01,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,425 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,435 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,437 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 10:07:01,441 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 10:07:01,441 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 10:07:01,441 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 10:07:01,442 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (1/1) ... [2025-02-08 10:07:01,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:07:01,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:01,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 10:07:01,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 10:07:01,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 10:07:01,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 10:07:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 10:07:01,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 10:07:01,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-02-08 10:07:01,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-02-08 10:07:01,549 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 10:07:01,551 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 10:07:01,917 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2025-02-08 10:07:01,917 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 10:07:01,937 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 10:07:01,938 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 10:07:01,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:01 BoogieIcfgContainer [2025-02-08 10:07:01,938 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 10:07:01,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 10:07:01,942 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 10:07:01,945 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 10:07:01,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 10:07:01" (1/3) ... [2025-02-08 10:07:01,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db499b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:07:01, skipping insertion in model container [2025-02-08 10:07:01,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:01" (2/3) ... [2025-02-08 10:07:01,946 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7db499b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:07:01, skipping insertion in model container [2025-02-08 10:07:01,946 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:01" (3/3) ... [2025-02-08 10:07:01,947 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-007.c [2025-02-08 10:07:01,961 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 10:07:01,963 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-007.c that has 2 procedures, 150 locations, 1 initial locations, 0 loop locations, and 24 error locations. [2025-02-08 10:07:02,032 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 10:07:02,052 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;@1f5b5372, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 10:07:02,053 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-02-08 10:07:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 150 states, 56 states have (on average 1.5535714285714286) internal successors, (87), 80 states have internal predecessors, (87), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-02-08 10:07:02,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2025-02-08 10:07:02,073 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:02,074 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:02,074 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:02,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:02,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1787162823, now seen corresponding path program 1 times [2025-02-08 10:07:02,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:02,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035813940] [2025-02-08 10:07:02,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:02,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:02,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-02-08 10:07:02,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-02-08 10:07:02,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:02,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:02,314 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 7442 trivial. 0 not checked. [2025-02-08 10:07:02,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:02,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035813940] [2025-02-08 10:07:02,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035813940] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:02,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176053079] [2025-02-08 10:07:02,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:02,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:02,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:02,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:02,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 10:07:02,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-02-08 10:07:02,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-02-08 10:07:02,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:02,455 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:02,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 10:07:02,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 7442 trivial. 0 not checked. [2025-02-08 10:07:02,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 10:07:02,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176053079] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:07:02,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 10:07:02,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 10:07:02,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443769751] [2025-02-08 10:07:02,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:07:02,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 10:07:02,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:02,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 10:07:02,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 10:07:02,536 INFO L87 Difference]: Start difference. First operand has 150 states, 56 states have (on average 1.5535714285714286) internal successors, (87), 80 states have internal predecessors, (87), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2025-02-08 10:07:02,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:02,581 INFO L93 Difference]: Finished difference Result 296 states and 510 transitions. [2025-02-08 10:07:02,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 10:07:02,582 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) Word has length 326 [2025-02-08 10:07:02,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:02,588 INFO L225 Difference]: With dead ends: 296 [2025-02-08 10:07:02,588 INFO L226 Difference]: Without dead ends: 145 [2025-02-08 10:07:02,592 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 10:07:02,595 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:02,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:07:02,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-02-08 10:07:02,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-02-08 10:07:02,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 53 states have (on average 1.528301886792453) internal successors, (81), 76 states have internal predecessors, (81), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 215 transitions. [2025-02-08 10:07:02,653 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 215 transitions. Word has length 326 [2025-02-08 10:07:02,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:02,653 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 215 transitions. [2025-02-08 10:07:02,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (62), 2 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 2 states have call successors, (62) [2025-02-08 10:07:02,653 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 215 transitions. [2025-02-08 10:07:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2025-02-08 10:07:02,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:02,658 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:02,666 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 10:07:02,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 10:07:02,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:02,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:02,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1550468967, now seen corresponding path program 1 times [2025-02-08 10:07:02,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:02,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808821946] [2025-02-08 10:07:02,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:02,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:02,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-02-08 10:07:02,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-02-08 10:07:02,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:02,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:03,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 354 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2025-02-08 10:07:03,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:03,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808821946] [2025-02-08 10:07:03,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808821946] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:03,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265525337] [2025-02-08 10:07:03,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:03,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:03,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:03,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:03,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 10:07:03,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 326 statements into 1 equivalence classes. [2025-02-08 10:07:03,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 326 of 326 statements. [2025-02-08 10:07:03,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:03,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:03,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:03,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:04,248 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:04,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:04,649 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:04,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265525337] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:04,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:04,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 10:07:04,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131488682] [2025-02-08 10:07:04,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:04,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:04,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:04,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:04,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:04,654 INFO L87 Difference]: Start difference. First operand 145 states and 215 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) [2025-02-08 10:07:05,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:05,125 INFO L93 Difference]: Finished difference Result 145 states and 215 transitions. [2025-02-08 10:07:05,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 10:07:05,125 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) Word has length 326 [2025-02-08 10:07:05,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:05,128 INFO L225 Difference]: With dead ends: 145 [2025-02-08 10:07:05,128 INFO L226 Difference]: Without dead ends: 144 [2025-02-08 10:07:05,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 649 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 10:07:05,129 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 3 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:05,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 618 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:05,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-08 10:07:05,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2025-02-08 10:07:05,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 53 states have (on average 1.509433962264151) internal successors, (80), 75 states have internal predecessors, (80), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:05,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 214 transitions. [2025-02-08 10:07:05,166 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 214 transitions. Word has length 326 [2025-02-08 10:07:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:05,168 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 214 transitions. [2025-02-08 10:07:05,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 5 states have call predecessors, (184), 6 states have call successors, (184) [2025-02-08 10:07:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 214 transitions. [2025-02-08 10:07:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2025-02-08 10:07:05,175 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:05,175 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:05,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 10:07:05,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:05,377 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:05,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:05,378 INFO L85 PathProgramCache]: Analyzing trace with hash 819897760, now seen corresponding path program 1 times [2025-02-08 10:07:05,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:05,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531645100] [2025-02-08 10:07:05,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:05,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:05,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 327 statements into 1 equivalence classes. [2025-02-08 10:07:05,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 327 of 327 statements. [2025-02-08 10:07:05,424 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:05,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:05,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:05,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:05,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531645100] [2025-02-08 10:07:05,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531645100] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:05,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453697526] [2025-02-08 10:07:05,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:05,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:05,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:05,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:05,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 10:07:05,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 327 statements into 1 equivalence classes. [2025-02-08 10:07:05,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 327 of 327 statements. [2025-02-08 10:07:05,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:05,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:05,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:05,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:06,218 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:06,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 177 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:06,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453697526] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:06,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:06,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2025-02-08 10:07:06,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368872919] [2025-02-08 10:07:06,548 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:06,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:06,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:06,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:06,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:06,551 INFO L87 Difference]: Start difference. First operand 144 states and 214 transitions. Second operand has 10 states, 8 states have (on average 7.0) internal successors, (56), 10 states have internal predecessors, (56), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2025-02-08 10:07:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:06,845 INFO L93 Difference]: Finished difference Result 144 states and 214 transitions. [2025-02-08 10:07:06,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:06,846 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 10 states have internal predecessors, (56), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) Word has length 327 [2025-02-08 10:07:06,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:06,848 INFO L225 Difference]: With dead ends: 144 [2025-02-08 10:07:06,848 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 10:07:06,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 649 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:06,849 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:06,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 540 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:06,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 10:07:06,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-02-08 10:07:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 53 states have (on average 1.490566037735849) internal successors, (79), 74 states have internal predecessors, (79), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 213 transitions. [2025-02-08 10:07:06,862 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 213 transitions. Word has length 327 [2025-02-08 10:07:06,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:06,863 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 213 transitions. [2025-02-08 10:07:06,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 10 states have internal predecessors, (56), 5 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2025-02-08 10:07:06,863 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 213 transitions. [2025-02-08 10:07:06,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-02-08 10:07:06,865 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:06,865 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:06,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:07,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:07,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:07,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:07,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1942733406, now seen corresponding path program 1 times [2025-02-08 10:07:07,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:07,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264709267] [2025-02-08 10:07:07,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:07,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:07,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 329 statements into 1 equivalence classes. [2025-02-08 10:07:07,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 329 of 329 statements. [2025-02-08 10:07:07,091 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:07,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7564 trivial. 0 not checked. [2025-02-08 10:07:07,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:07,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264709267] [2025-02-08 10:07:07,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264709267] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:07:07,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:07:07,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 10:07:07,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035219298] [2025-02-08 10:07:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:07:07,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 10:07:07,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:07,207 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 10:07:07,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 10:07:07,207 INFO L87 Difference]: Start difference. First operand 143 states and 213 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2025-02-08 10:07:07,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:07,262 INFO L93 Difference]: Finished difference Result 143 states and 213 transitions. [2025-02-08 10:07:07,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 10:07:07,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) Word has length 329 [2025-02-08 10:07:07,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:07,264 INFO L225 Difference]: With dead ends: 143 [2025-02-08 10:07:07,264 INFO L226 Difference]: Without dead ends: 137 [2025-02-08 10:07:07,264 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 10:07:07,265 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 6 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:07,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 356 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:07:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-02-08 10:07:07,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2025-02-08 10:07:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 68 states have internal predecessors, (73), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 207 transitions. [2025-02-08 10:07:07,289 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 207 transitions. Word has length 329 [2025-02-08 10:07:07,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:07,290 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 207 transitions. [2025-02-08 10:07:07,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (62), 1 states have call predecessors, (62), 1 states have return successors, (62), 1 states have call predecessors, (62), 1 states have call successors, (62) [2025-02-08 10:07:07,290 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 207 transitions. [2025-02-08 10:07:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2025-02-08 10:07:07,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:07,294 INFO L218 NwaCegarLoop]: trace histogram [62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:07,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 10:07:07,295 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:07,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:07,295 INFO L85 PathProgramCache]: Analyzing trace with hash 95193476, now seen corresponding path program 1 times [2025-02-08 10:07:07,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:07,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860806360] [2025-02-08 10:07:07,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:07,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:07,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 330 statements into 1 equivalence classes. [2025-02-08 10:07:07,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 330 of 330 statements. [2025-02-08 10:07:07,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:07,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 6 proven. 354 refuted. 0 times theorem prover too weak. 7204 trivial. 0 not checked. [2025-02-08 10:07:07,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:07,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860806360] [2025-02-08 10:07:07,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860806360] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:07,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [703624436] [2025-02-08 10:07:07,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:07,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:07,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:07,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:07,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 10:07:07,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 330 statements into 1 equivalence classes. [2025-02-08 10:07:07,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 330 of 330 statements. [2025-02-08 10:07:07,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:07,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:07,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 10:07:07,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:08,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7564 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 7381 trivial. 0 not checked. [2025-02-08 10:07:08,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [703624436] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:08,708 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:08,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-08 10:07:08,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71606140] [2025-02-08 10:07:08,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:08,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 10:07:08,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:08,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 10:07:08,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-08 10:07:08,711 INFO L87 Difference]: Start difference. First operand 137 states and 207 transitions. Second operand has 11 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2025-02-08 10:07:09,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:09,213 INFO L93 Difference]: Finished difference Result 137 states and 207 transitions. [2025-02-08 10:07:09,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 10:07:09,214 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) Word has length 330 [2025-02-08 10:07:09,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:09,215 INFO L225 Difference]: With dead ends: 137 [2025-02-08 10:07:09,215 INFO L226 Difference]: Without dead ends: 136 [2025-02-08 10:07:09,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 667 GetRequests, 656 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 10:07:09,216 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:09,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 620 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:09,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-02-08 10:07:09,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2025-02-08 10:07:09,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 67 states have internal predecessors, (72), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:09,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 206 transitions. [2025-02-08 10:07:09,245 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 206 transitions. Word has length 330 [2025-02-08 10:07:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:09,245 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 206 transitions. [2025-02-08 10:07:09,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.3) internal successors, (63), 11 states have internal predecessors, (63), 5 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (182), 4 states have call predecessors, (182), 5 states have call successors, (182) [2025-02-08 10:07:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 206 transitions. [2025-02-08 10:07:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2025-02-08 10:07:09,250 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:09,250 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:09,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:09,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:09,451 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:09,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:09,451 INFO L85 PathProgramCache]: Analyzing trace with hash 660214954, now seen corresponding path program 1 times [2025-02-08 10:07:09,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:09,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499771680] [2025-02-08 10:07:09,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:09,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:09,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 335 statements into 1 equivalence classes. [2025-02-08 10:07:09,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 335 of 335 statements. [2025-02-08 10:07:09,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:09,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2025-02-08 10:07:09,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:09,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499771680] [2025-02-08 10:07:09,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499771680] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:09,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180727189] [2025-02-08 10:07:09,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:09,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:09,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:09,675 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:09,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 10:07:09,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 335 statements into 1 equivalence classes. [2025-02-08 10:07:09,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 335 of 335 statements. [2025-02-08 10:07:09,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:09,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:09,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 10:07:09,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2025-02-08 10:07:10,250 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:10,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2025-02-08 10:07:10,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180727189] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:10,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:10,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-08 10:07:10,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844313686] [2025-02-08 10:07:10,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:10,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 10:07:10,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:10,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 10:07:10,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-08 10:07:10,707 INFO L87 Difference]: Start difference. First operand 136 states and 206 transitions. Second operand has 20 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) [2025-02-08 10:07:11,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:11,239 INFO L93 Difference]: Finished difference Result 140 states and 213 transitions. [2025-02-08 10:07:11,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:07:11,240 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) Word has length 335 [2025-02-08 10:07:11,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:11,241 INFO L225 Difference]: With dead ends: 140 [2025-02-08 10:07:11,241 INFO L226 Difference]: Without dead ends: 139 [2025-02-08 10:07:11,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-08 10:07:11,242 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 30 mSDsluCounter, 956 mSDsCounter, 0 mSdLazyCounter, 723 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 1083 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:11,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 1083 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 723 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:11,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-08 10:07:11,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2025-02-08 10:07:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 53 states have (on average 1.3396226415094339) internal successors, (71), 66 states have internal predecessors, (71), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 205 transitions. [2025-02-08 10:07:11,253 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 205 transitions. Word has length 335 [2025-02-08 10:07:11,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:11,254 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 205 transitions. [2025-02-08 10:07:11,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.6666666666666665) internal successors, (66), 17 states have internal predecessors, (66), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 11 states have call predecessors, (189), 11 states have call successors, (189) [2025-02-08 10:07:11,254 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 205 transitions. [2025-02-08 10:07:11,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-08 10:07:11,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:11,256 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:11,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:11,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:11,458 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:11,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:11,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1008172879, now seen corresponding path program 1 times [2025-02-08 10:07:11,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:11,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115405630] [2025-02-08 10:07:11,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:11,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:11,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-02-08 10:07:11,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-02-08 10:07:11,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:11,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2025-02-08 10:07:11,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:11,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115405630] [2025-02-08 10:07:11,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115405630] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:11,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686419337] [2025-02-08 10:07:11,675 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:11,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:11,678 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:11,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 10:07:11,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-02-08 10:07:11,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-02-08 10:07:11,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:11,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:11,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 630 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:11,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:12,004 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2025-02-08 10:07:12,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 12 proven. 174 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2025-02-08 10:07:12,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686419337] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:12,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:12,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2025-02-08 10:07:12,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297189075] [2025-02-08 10:07:12,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:12,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 10:07:12,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:12,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 10:07:12,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2025-02-08 10:07:12,277 INFO L87 Difference]: Start difference. First operand 135 states and 205 transitions. Second operand has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 6 states have call predecessors, (184), 6 states have call successors, (184) [2025-02-08 10:07:12,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:12,735 INFO L93 Difference]: Finished difference Result 135 states and 205 transitions. [2025-02-08 10:07:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 10:07:12,735 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 6 states have call predecessors, (184), 6 states have call successors, (184) Word has length 336 [2025-02-08 10:07:12,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:12,738 INFO L225 Difference]: With dead ends: 135 [2025-02-08 10:07:12,738 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 10:07:12,738 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 667 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-02-08 10:07:12,740 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 24 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 779 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:12,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 779 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:12,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 10:07:12,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-08 10:07:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 53 states have (on average 1.320754716981132) internal successors, (70), 65 states have internal predecessors, (70), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:12,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 204 transitions. [2025-02-08 10:07:12,761 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 204 transitions. Word has length 336 [2025-02-08 10:07:12,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:12,761 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 204 transitions. [2025-02-08 10:07:12,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.5) internal successors, (65), 11 states have internal predecessors, (65), 6 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (184), 6 states have call predecessors, (184), 6 states have call successors, (184) [2025-02-08 10:07:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 204 transitions. [2025-02-08 10:07:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2025-02-08 10:07:12,767 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:12,767 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:12,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 10:07:12,968 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,SelfDestructingSolverStorable6 [2025-02-08 10:07:12,969 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:12,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:12,969 INFO L85 PathProgramCache]: Analyzing trace with hash 228088391, now seen corresponding path program 1 times [2025-02-08 10:07:12,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:12,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80694505] [2025-02-08 10:07:12,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:12,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 339 statements into 1 equivalence classes. [2025-02-08 10:07:13,019 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 339 of 339 statements. [2025-02-08 10:07:13,019 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:13,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:13,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 7626 trivial. 0 not checked. [2025-02-08 10:07:13,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:13,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80694505] [2025-02-08 10:07:13,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80694505] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:13,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459571924] [2025-02-08 10:07:13,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:13,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:13,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:13,183 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:13,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 10:07:13,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 339 statements into 1 equivalence classes. [2025-02-08 10:07:13,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 339 of 339 statements. [2025-02-08 10:07:13,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:13,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:13,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 10:07:13,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:13,645 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2025-02-08 10:07:13,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7812 backedges. 228 proven. 480 refuted. 0 times theorem prover too weak. 7104 trivial. 0 not checked. [2025-02-08 10:07:14,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459571924] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:14,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:14,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2025-02-08 10:07:14,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974212511] [2025-02-08 10:07:14,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:14,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 10:07:14,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:14,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 10:07:14,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2025-02-08 10:07:14,047 INFO L87 Difference]: Start difference. First operand 134 states and 204 transitions. Second operand has 21 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 20 states have internal predecessors, (73), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 10 states have call predecessors, (189), 11 states have call successors, (189) [2025-02-08 10:07:14,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:14,651 INFO L93 Difference]: Finished difference Result 138 states and 209 transitions. [2025-02-08 10:07:14,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 10:07:14,652 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 20 states have internal predecessors, (73), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 10 states have call predecessors, (189), 11 states have call successors, (189) Word has length 339 [2025-02-08 10:07:14,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:14,653 INFO L225 Difference]: With dead ends: 138 [2025-02-08 10:07:14,653 INFO L226 Difference]: Without dead ends: 137 [2025-02-08 10:07:14,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 662 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2025-02-08 10:07:14,654 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 48 mSDsluCounter, 1196 mSDsCounter, 0 mSdLazyCounter, 953 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1318 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 953 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:14,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1318 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 953 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:14,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-02-08 10:07:14,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 133. [2025-02-08 10:07:14,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 64 states have internal predecessors, (69), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 203 transitions. [2025-02-08 10:07:14,671 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 203 transitions. Word has length 339 [2025-02-08 10:07:14,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:14,673 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 203 transitions. [2025-02-08 10:07:14,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.8421052631578947) internal successors, (73), 20 states have internal predecessors, (73), 11 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 10 states have call predecessors, (189), 11 states have call successors, (189) [2025-02-08 10:07:14,673 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 203 transitions. [2025-02-08 10:07:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2025-02-08 10:07:14,675 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:14,675 INFO L218 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:14,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 10:07:14,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:14,876 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:14,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:14,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1474184269, now seen corresponding path program 1 times [2025-02-08 10:07:14,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448894489] [2025-02-08 10:07:14,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:14,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:14,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 344 statements into 1 equivalence classes. [2025-02-08 10:07:14,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 344 of 344 statements. [2025-02-08 10:07:14,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:14,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:15,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:15,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:15,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448894489] [2025-02-08 10:07:15,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448894489] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:15,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516954336] [2025-02-08 10:07:15,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:15,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:15,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:15,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:15,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 10:07:15,072 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 344 statements into 1 equivalence classes. [2025-02-08 10:07:15,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 344 of 344 statements. [2025-02-08 10:07:15,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:15,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:15,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:15,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:15,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:15,546 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:15,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516954336] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:15,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:15,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 10:07:15,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143499960] [2025-02-08 10:07:15,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:15,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:15,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:15,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:15,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:15,548 INFO L87 Difference]: Start difference. First operand 133 states and 203 transitions. Second operand has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) [2025-02-08 10:07:15,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:15,781 INFO L93 Difference]: Finished difference Result 133 states and 203 transitions. [2025-02-08 10:07:15,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:15,782 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) Word has length 344 [2025-02-08 10:07:15,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:15,783 INFO L225 Difference]: With dead ends: 133 [2025-02-08 10:07:15,783 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 10:07:15,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 691 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:15,784 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 21 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:15,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 654 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 10:07:15,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 10:07:15,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-02-08 10:07:15,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 63 states have internal predecessors, (68), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:15,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 202 transitions. [2025-02-08 10:07:15,794 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 202 transitions. Word has length 344 [2025-02-08 10:07:15,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:15,794 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 202 transitions. [2025-02-08 10:07:15,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.222222222222221) internal successors, (74), 8 states have internal predecessors, (74), 6 states have call successors, (181), 1 states have call predecessors, (181), 2 states have return successors, (182), 6 states have call predecessors, (182), 6 states have call successors, (182) [2025-02-08 10:07:15,794 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2025-02-08 10:07:15,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2025-02-08 10:07:15,796 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:15,796 INFO L218 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:15,803 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-08 10:07:15,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:15,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:15,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:15,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1544927932, now seen corresponding path program 1 times [2025-02-08 10:07:15,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:15,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226155582] [2025-02-08 10:07:15,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:15,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:16,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 345 statements into 1 equivalence classes. [2025-02-08 10:07:16,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 345 of 345 statements. [2025-02-08 10:07:16,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:16,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:16,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226155582] [2025-02-08 10:07:16,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226155582] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665209499] [2025-02-08 10:07:16,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:16,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:16,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:16,148 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:16,149 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 10:07:16,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 345 statements into 1 equivalence classes. [2025-02-08 10:07:16,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 345 of 345 statements. [2025-02-08 10:07:16,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:16,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:16,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:16,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:16,424 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:16,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 18 proven. 171 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:16,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665209499] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:16,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:16,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-08 10:07:16,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879905288] [2025-02-08 10:07:16,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:16,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 10:07:16,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:16,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 10:07:16,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:16,659 INFO L87 Difference]: Start difference. First operand 132 states and 202 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2025-02-08 10:07:16,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:16,934 INFO L93 Difference]: Finished difference Result 132 states and 202 transitions. [2025-02-08 10:07:16,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:16,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 345 [2025-02-08 10:07:16,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:16,936 INFO L225 Difference]: With dead ends: 132 [2025-02-08 10:07:16,936 INFO L226 Difference]: Without dead ends: 131 [2025-02-08 10:07:16,937 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 693 GetRequests, 686 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:16,937 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 6 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:16,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 611 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-02-08 10:07:16,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2025-02-08 10:07:16,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 53 states have (on average 1.2641509433962264) internal successors, (67), 62 states have internal predecessors, (67), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 201 transitions. [2025-02-08 10:07:16,945 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 201 transitions. Word has length 345 [2025-02-08 10:07:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:16,946 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 201 transitions. [2025-02-08 10:07:16,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2025-02-08 10:07:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2025-02-08 10:07:16,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2025-02-08 10:07:16,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:16,947 INFO L218 NwaCegarLoop]: trace histogram [64, 64, 64, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:16,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 10:07:17,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:17,152 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:17,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:17,152 INFO L85 PathProgramCache]: Analyzing trace with hash 78492112, now seen corresponding path program 1 times [2025-02-08 10:07:17,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:17,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324500050] [2025-02-08 10:07:17,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:17,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:17,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 348 statements into 1 equivalence classes. [2025-02-08 10:07:17,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 348 of 348 statements. [2025-02-08 10:07:17,172 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:17,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:17,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 30 proven. 342 refuted. 0 times theorem prover too weak. 7692 trivial. 0 not checked. [2025-02-08 10:07:17,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:17,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324500050] [2025-02-08 10:07:17,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324500050] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:17,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996487005] [2025-02-08 10:07:17,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:17,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:17,342 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:17,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 10:07:17,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 348 statements into 1 equivalence classes. [2025-02-08 10:07:17,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 348 of 348 statements. [2025-02-08 10:07:17,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:17,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:17,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 10:07:17,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:17,651 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:17,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8064 backedges. 12 proven. 177 refuted. 0 times theorem prover too weak. 7875 trivial. 0 not checked. [2025-02-08 10:07:17,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996487005] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:17,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:17,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-08 10:07:17,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207073670] [2025-02-08 10:07:17,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:17,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 10:07:17,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:17,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 10:07:17,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-08 10:07:17,894 INFO L87 Difference]: Start difference. First operand 131 states and 201 transitions. Second operand has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (180), 5 states have call predecessors, (180), 5 states have call successors, (180) [2025-02-08 10:07:18,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:18,177 INFO L93 Difference]: Finished difference Result 131 states and 201 transitions. [2025-02-08 10:07:18,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 10:07:18,177 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (180), 5 states have call predecessors, (180), 5 states have call successors, (180) Word has length 348 [2025-02-08 10:07:18,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:18,179 INFO L225 Difference]: With dead ends: 131 [2025-02-08 10:07:18,179 INFO L226 Difference]: Without dead ends: 130 [2025-02-08 10:07:18,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 703 GetRequests, 692 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 10:07:18,179 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 12 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:18,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 744 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:18,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2025-02-08 10:07:18,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2025-02-08 10:07:18,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 61 states have internal predecessors, (66), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 200 transitions. [2025-02-08 10:07:18,190 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 200 transitions. Word has length 348 [2025-02-08 10:07:18,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:18,191 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 200 transitions. [2025-02-08 10:07:18,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (180), 1 states have call predecessors, (180), 2 states have return successors, (180), 5 states have call predecessors, (180), 5 states have call successors, (180) [2025-02-08 10:07:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 200 transitions. [2025-02-08 10:07:18,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2025-02-08 10:07:18,192 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:18,193 INFO L218 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:18,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 10:07:18,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:18,395 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:18,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:18,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1185097654, now seen corresponding path program 1 times [2025-02-08 10:07:18,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:18,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120463996] [2025-02-08 10:07:18,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:18,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:18,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 353 statements into 1 equivalence classes. [2025-02-08 10:07:18,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 353 of 353 statements. [2025-02-08 10:07:18,420 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:18,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:18,549 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2025-02-08 10:07:18,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:18,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120463996] [2025-02-08 10:07:18,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120463996] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:18,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577013698] [2025-02-08 10:07:18,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:18,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:18,552 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:18,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 10:07:18,594 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 353 statements into 1 equivalence classes. [2025-02-08 10:07:18,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 353 of 353 statements. [2025-02-08 10:07:18,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:18,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:18,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 10:07:18,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:18,922 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 270 proven. 462 refuted. 0 times theorem prover too weak. 7588 trivial. 0 not checked. [2025-02-08 10:07:18,923 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 270 proven. 462 refuted. 0 times theorem prover too weak. 7588 trivial. 0 not checked. [2025-02-08 10:07:19,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [577013698] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:19,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:19,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-08 10:07:19,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35995057] [2025-02-08 10:07:19,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:19,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 10:07:19,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:19,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 10:07:19,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-08 10:07:19,272 INFO L87 Difference]: Start difference. First operand 130 states and 200 transitions. Second operand has 20 states, 18 states have (on average 4.777777777777778) internal successors, (86), 17 states have internal predecessors, (86), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 11 states have call predecessors, (187), 11 states have call successors, (187) [2025-02-08 10:07:19,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:19,866 INFO L93 Difference]: Finished difference Result 134 states and 207 transitions. [2025-02-08 10:07:19,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:07:19,868 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 4.777777777777778) internal successors, (86), 17 states have internal predecessors, (86), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 11 states have call predecessors, (187), 11 states have call successors, (187) Word has length 353 [2025-02-08 10:07:19,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:19,869 INFO L225 Difference]: With dead ends: 134 [2025-02-08 10:07:19,869 INFO L226 Difference]: Without dead ends: 133 [2025-02-08 10:07:19,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 716 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-08 10:07:19,870 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 81 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 1043 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:19,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 1043 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:19,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-02-08 10:07:19,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2025-02-08 10:07:19,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 60 states have internal predecessors, (65), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 199 transitions. [2025-02-08 10:07:19,884 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 199 transitions. Word has length 353 [2025-02-08 10:07:19,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:19,884 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 199 transitions. [2025-02-08 10:07:19,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 4.777777777777778) internal successors, (86), 17 states have internal predecessors, (86), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 11 states have call predecessors, (187), 11 states have call successors, (187) [2025-02-08 10:07:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2025-02-08 10:07:19,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2025-02-08 10:07:19,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:19,886 INFO L218 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:19,895 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 10:07:20,091 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,SelfDestructingSolverStorable11 [2025-02-08 10:07:20,091 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:20,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:20,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1916678387, now seen corresponding path program 1 times [2025-02-08 10:07:20,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:20,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770570374] [2025-02-08 10:07:20,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:20,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:20,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-02-08 10:07:20,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-02-08 10:07:20,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:20,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:20,464 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 261 proven. 297 refuted. 0 times theorem prover too weak. 7762 trivial. 0 not checked. [2025-02-08 10:07:20,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:20,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770570374] [2025-02-08 10:07:20,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770570374] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:20,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077045745] [2025-02-08 10:07:20,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:20,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:20,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:20,467 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:20,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 10:07:20,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 354 statements into 1 equivalence classes. [2025-02-08 10:07:20,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 354 of 354 statements. [2025-02-08 10:07:20,573 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:20,573 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:20,575 INFO L256 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:20,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2025-02-08 10:07:20,903 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 24 proven. 168 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2025-02-08 10:07:21,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077045745] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:21,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:21,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2025-02-08 10:07:21,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541550966] [2025-02-08 10:07:21,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:21,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 10:07:21,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:21,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 10:07:21,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2025-02-08 10:07:21,231 INFO L87 Difference]: Start difference. First operand 129 states and 199 transitions. Second operand has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (183), 8 states have call predecessors, (183), 8 states have call successors, (183) [2025-02-08 10:07:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:21,711 INFO L93 Difference]: Finished difference Result 133 states and 205 transitions. [2025-02-08 10:07:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:07:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (183), 8 states have call predecessors, (183), 8 states have call successors, (183) Word has length 354 [2025-02-08 10:07:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:21,713 INFO L225 Difference]: With dead ends: 133 [2025-02-08 10:07:21,713 INFO L226 Difference]: Without dead ends: 132 [2025-02-08 10:07:21,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 726 GetRequests, 707 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2025-02-08 10:07:21,715 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 72 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:21,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 937 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:21,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-08 10:07:21,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 128. [2025-02-08 10:07:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 59 states have internal predecessors, (64), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 198 transitions. [2025-02-08 10:07:21,730 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 198 transitions. Word has length 354 [2025-02-08 10:07:21,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:21,730 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 198 transitions. [2025-02-08 10:07:21,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.769230769230769) internal successors, (88), 14 states have internal predecessors, (88), 8 states have call successors, (182), 1 states have call predecessors, (182), 2 states have return successors, (183), 8 states have call predecessors, (183), 8 states have call successors, (183) [2025-02-08 10:07:21,730 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 198 transitions. [2025-02-08 10:07:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2025-02-08 10:07:21,733 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:21,733 INFO L218 NwaCegarLoop]: trace histogram [65, 65, 65, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:21,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:21,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:21,934 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:21,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:21,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1824375123, now seen corresponding path program 1 times [2025-02-08 10:07:21,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:21,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777453805] [2025-02-08 10:07:21,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:21,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:21,946 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 357 statements into 1 equivalence classes. [2025-02-08 10:07:21,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 357 of 357 statements. [2025-02-08 10:07:21,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:21,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 18 proven. 174 refuted. 0 times theorem prover too weak. 8128 trivial. 0 not checked. [2025-02-08 10:07:22,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:22,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777453805] [2025-02-08 10:07:22,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777453805] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:22,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83708204] [2025-02-08 10:07:22,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:22,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:22,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:22,126 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:22,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 10:07:22,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 357 statements into 1 equivalence classes. [2025-02-08 10:07:22,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 357 of 357 statements. [2025-02-08 10:07:22,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:22,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:22,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 10:07:22,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 270 proven. 462 refuted. 0 times theorem prover too weak. 7588 trivial. 0 not checked. [2025-02-08 10:07:22,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 8320 backedges. 270 proven. 462 refuted. 0 times theorem prover too weak. 7588 trivial. 0 not checked. [2025-02-08 10:07:23,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83708204] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:23,018 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:23,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2025-02-08 10:07:23,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042804841] [2025-02-08 10:07:23,018 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:23,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 10:07:23,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:23,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 10:07:23,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2025-02-08 10:07:23,020 INFO L87 Difference]: Start difference. First operand 128 states and 198 transitions. Second operand has 21 states, 19 states have (on average 4.894736842105263) internal successors, (93), 20 states have internal predecessors, (93), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 10 states have call predecessors, (187), 11 states have call successors, (187) [2025-02-08 10:07:23,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:23,628 INFO L93 Difference]: Finished difference Result 132 states and 203 transitions. [2025-02-08 10:07:23,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 10:07:23,629 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 4.894736842105263) internal successors, (93), 20 states have internal predecessors, (93), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 10 states have call predecessors, (187), 11 states have call successors, (187) Word has length 357 [2025-02-08 10:07:23,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:23,630 INFO L225 Difference]: With dead ends: 132 [2025-02-08 10:07:23,630 INFO L226 Difference]: Without dead ends: 131 [2025-02-08 10:07:23,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 698 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2025-02-08 10:07:23,631 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 85 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 1166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:23,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 1127 Invalid, 1166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:23,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-02-08 10:07:23,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2025-02-08 10:07:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 58 states have internal predecessors, (63), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 197 transitions. [2025-02-08 10:07:23,642 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 197 transitions. Word has length 357 [2025-02-08 10:07:23,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:23,642 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 197 transitions. [2025-02-08 10:07:23,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 4.894736842105263) internal successors, (93), 20 states have internal predecessors, (93), 11 states have call successors, (185), 1 states have call predecessors, (185), 2 states have return successors, (187), 10 states have call predecessors, (187), 11 states have call successors, (187) [2025-02-08 10:07:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions. [2025-02-08 10:07:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2025-02-08 10:07:23,644 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:23,644 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:23,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 10:07:23,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:23,848 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:23,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:23,848 INFO L85 PathProgramCache]: Analyzing trace with hash -236992513, now seen corresponding path program 1 times [2025-02-08 10:07:23,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:23,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173476196] [2025-02-08 10:07:23,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:23,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:23,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-02-08 10:07:23,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-02-08 10:07:23,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:23,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2025-02-08 10:07:23,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:23,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173476196] [2025-02-08 10:07:23,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173476196] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:23,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150300773] [2025-02-08 10:07:23,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:23,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:23,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:23,972 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:23,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 10:07:24,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 362 statements into 1 equivalence classes. [2025-02-08 10:07:24,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 362 of 362 statements. [2025-02-08 10:07:24,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:24,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:24,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 683 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-02-08 10:07:24,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 507 proven. 573 refuted. 0 times theorem prover too weak. 7500 trivial. 0 not checked. [2025-02-08 10:07:24,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 507 proven. 573 refuted. 0 times theorem prover too weak. 7500 trivial. 0 not checked. [2025-02-08 10:07:25,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150300773] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:25,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:25,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 15] total 28 [2025-02-08 10:07:25,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711045938] [2025-02-08 10:07:25,102 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:25,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-02-08 10:07:25,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:25,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-02-08 10:07:25,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=712, Unknown=0, NotChecked=0, Total=812 [2025-02-08 10:07:25,104 INFO L87 Difference]: Start difference. First operand 127 states and 197 transitions. Second operand has 29 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 15 states have call successors, (188), 1 states have call predecessors, (188), 2 states have return successors, (190), 15 states have call predecessors, (190), 15 states have call successors, (190) [2025-02-08 10:07:25,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:25,868 INFO L93 Difference]: Finished difference Result 135 states and 209 transitions. [2025-02-08 10:07:25,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 10:07:25,869 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 15 states have call successors, (188), 1 states have call predecessors, (188), 2 states have return successors, (190), 15 states have call predecessors, (190), 15 states have call successors, (190) Word has length 362 [2025-02-08 10:07:25,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:25,870 INFO L225 Difference]: With dead ends: 135 [2025-02-08 10:07:25,870 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 10:07:25,871 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 700 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=1378, Unknown=0, NotChecked=0, Total=1640 [2025-02-08 10:07:25,873 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 139 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:25,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1182 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 10:07:25,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 10:07:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2025-02-08 10:07:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 53 states have (on average 1.169811320754717) internal successors, (62), 57 states have internal predecessors, (62), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 196 transitions. [2025-02-08 10:07:25,885 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 196 transitions. Word has length 362 [2025-02-08 10:07:25,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:25,886 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 196 transitions. [2025-02-08 10:07:25,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 26 states have (on average 3.769230769230769) internal successors, (98), 26 states have internal predecessors, (98), 15 states have call successors, (188), 1 states have call predecessors, (188), 2 states have return successors, (190), 15 states have call predecessors, (190), 15 states have call successors, (190) [2025-02-08 10:07:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 196 transitions. [2025-02-08 10:07:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2025-02-08 10:07:25,888 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:25,888 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:25,895 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 [2025-02-08 10:07:26,088 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,SelfDestructingSolverStorable14 [2025-02-08 10:07:26,089 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:26,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:26,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1243166680, now seen corresponding path program 1 times [2025-02-08 10:07:26,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:26,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863739332] [2025-02-08 10:07:26,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:26,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:26,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 363 statements into 1 equivalence classes. [2025-02-08 10:07:26,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 363 of 363 statements. [2025-02-08 10:07:26,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:26,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:26,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 48 proven. 336 refuted. 0 times theorem prover too weak. 8196 trivial. 0 not checked. [2025-02-08 10:07:26,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863739332] [2025-02-08 10:07:26,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863739332] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:26,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679438916] [2025-02-08 10:07:26,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:26,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:26,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:26,297 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:26,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 10:07:26,339 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 363 statements into 1 equivalence classes. [2025-02-08 10:07:26,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 363 of 363 statements. [2025-02-08 10:07:26,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:26,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:26,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 79 conjuncts are in the unsatisfiable core [2025-02-08 10:07:26,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:28,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 1335 proven. 732 refuted. 0 times theorem prover too weak. 6513 trivial. 0 not checked. [2025-02-08 10:07:28,746 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 1335 proven. 732 refuted. 0 times theorem prover too weak. 6513 trivial. 0 not checked. [2025-02-08 10:07:31,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679438916] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:31,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:31,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 25, 29] total 55 [2025-02-08 10:07:31,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775106631] [2025-02-08 10:07:31,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:31,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-02-08 10:07:31,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:31,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-02-08 10:07:31,010 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=2819, Unknown=0, NotChecked=0, Total=3080 [2025-02-08 10:07:31,011 INFO L87 Difference]: Start difference. First operand 126 states and 196 transitions. Second operand has 56 states, 45 states have (on average 2.2444444444444445) internal successors, (101), 50 states have internal predecessors, (101), 31 states have call successors, (186), 1 states have call predecessors, (186), 2 states have return successors, (187), 31 states have call predecessors, (187), 31 states have call successors, (187) [2025-02-08 10:07:34,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:34,298 INFO L93 Difference]: Finished difference Result 156 states and 235 transitions. [2025-02-08 10:07:34,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-02-08 10:07:34,299 INFO L78 Accepts]: Start accepts. Automaton has has 56 states, 45 states have (on average 2.2444444444444445) internal successors, (101), 50 states have internal predecessors, (101), 31 states have call successors, (186), 1 states have call predecessors, (186), 2 states have return successors, (187), 31 states have call predecessors, (187), 31 states have call successors, (187) Word has length 363 [2025-02-08 10:07:34,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:34,301 INFO L225 Difference]: With dead ends: 156 [2025-02-08 10:07:34,301 INFO L226 Difference]: Without dead ends: 155 [2025-02-08 10:07:34,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 763 GetRequests, 678 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1424 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=729, Invalid=6581, Unknown=0, NotChecked=0, Total=7310 [2025-02-08 10:07:34,303 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 166 mSDsluCounter, 2643 mSDsCounter, 0 mSdLazyCounter, 3637 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 3851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 3637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:34,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 2749 Invalid, 3851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 3637 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-08 10:07:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-08 10:07:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 130. [2025-02-08 10:07:34,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 56 states have (on average 1.1607142857142858) internal successors, (65), 60 states have internal predecessors, (65), 68 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-02-08 10:07:34,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 201 transitions. [2025-02-08 10:07:34,332 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 201 transitions. Word has length 363 [2025-02-08 10:07:34,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:34,333 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 201 transitions. [2025-02-08 10:07:34,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 45 states have (on average 2.2444444444444445) internal successors, (101), 50 states have internal predecessors, (101), 31 states have call successors, (186), 1 states have call predecessors, (186), 2 states have return successors, (187), 31 states have call predecessors, (187), 31 states have call successors, (187) [2025-02-08 10:07:34,333 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 201 transitions. [2025-02-08 10:07:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2025-02-08 10:07:34,334 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:34,338 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:34,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:34,539 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,SelfDestructingSolverStorable15 [2025-02-08 10:07:34,540 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:34,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:34,540 INFO L85 PathProgramCache]: Analyzing trace with hash -353274981, now seen corresponding path program 1 times [2025-02-08 10:07:34,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:34,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454553481] [2025-02-08 10:07:34,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:34,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 365 statements into 1 equivalence classes. [2025-02-08 10:07:34,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 365 of 365 statements. [2025-02-08 10:07:34,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:34,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 30 proven. 165 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2025-02-08 10:07:34,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:34,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454553481] [2025-02-08 10:07:34,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454553481] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:34,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342434721] [2025-02-08 10:07:34,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:34,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:34,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:34,691 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:34,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 10:07:34,745 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 365 statements into 1 equivalence classes. [2025-02-08 10:07:34,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 365 of 365 statements. [2025-02-08 10:07:34,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:34,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:34,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:34,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 30 proven. 165 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2025-02-08 10:07:34,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:35,237 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 30 proven. 165 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2025-02-08 10:07:35,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342434721] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:35,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:35,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-08 10:07:35,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591021113] [2025-02-08 10:07:35,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:35,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 10:07:35,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:35,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 10:07:35,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:35,239 INFO L87 Difference]: Start difference. First operand 130 states and 201 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2025-02-08 10:07:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:35,425 INFO L93 Difference]: Finished difference Result 130 states and 201 transitions. [2025-02-08 10:07:35,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:35,426 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 365 [2025-02-08 10:07:35,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:35,427 INFO L225 Difference]: With dead ends: 130 [2025-02-08 10:07:35,428 INFO L226 Difference]: Without dead ends: 129 [2025-02-08 10:07:35,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 733 GetRequests, 726 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:35,429 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 20 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:35,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 344 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 10:07:35,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-02-08 10:07:35,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2025-02-08 10:07:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 53 states have (on average 1.150943396226415) internal successors, (61), 56 states have internal predecessors, (61), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 195 transitions. [2025-02-08 10:07:35,448 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 195 transitions. Word has length 365 [2025-02-08 10:07:35,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:35,449 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 195 transitions. [2025-02-08 10:07:35,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2025-02-08 10:07:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 195 transitions. [2025-02-08 10:07:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2025-02-08 10:07:35,451 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:35,451 INFO L218 NwaCegarLoop]: trace histogram [66, 66, 66, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:35,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 10:07:35,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 10:07:35,652 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:35,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:35,653 INFO L85 PathProgramCache]: Analyzing trace with hash -324439524, now seen corresponding path program 1 times [2025-02-08 10:07:35,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:35,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743444781] [2025-02-08 10:07:35,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:35,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:35,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 366 statements into 1 equivalence classes. [2025-02-08 10:07:35,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 366 of 366 statements. [2025-02-08 10:07:35,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:35,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:35,810 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 24 proven. 171 refuted. 0 times theorem prover too weak. 8385 trivial. 0 not checked. [2025-02-08 10:07:35,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:35,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743444781] [2025-02-08 10:07:35,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743444781] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:35,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280068437] [2025-02-08 10:07:35,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:35,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:35,812 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:35,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 10:07:35,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 366 statements into 1 equivalence classes. [2025-02-08 10:07:35,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 366 of 366 statements. [2025-02-08 10:07:35,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:35,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:35,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 10:07:36,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 291 proven. 453 refuted. 0 times theorem prover too weak. 7836 trivial. 0 not checked. [2025-02-08 10:07:36,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:36,666 INFO L134 CoverageAnalysis]: Checked inductivity of 8580 backedges. 291 proven. 453 refuted. 0 times theorem prover too weak. 7836 trivial. 0 not checked. [2025-02-08 10:07:36,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280068437] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:36,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:36,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 20 [2025-02-08 10:07:36,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925667474] [2025-02-08 10:07:36,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:36,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 10:07:36,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:36,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 10:07:36,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2025-02-08 10:07:36,669 INFO L87 Difference]: Start difference. First operand 125 states and 195 transitions. Second operand has 21 states, 19 states have (on average 5.421052631578948) internal successors, (103), 20 states have internal predecessors, (103), 11 states have call successors, (184), 1 states have call predecessors, (184), 2 states have return successors, (186), 10 states have call predecessors, (186), 11 states have call successors, (186) [2025-02-08 10:07:37,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:37,186 INFO L93 Difference]: Finished difference Result 129 states and 200 transitions. [2025-02-08 10:07:37,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 10:07:37,187 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 5.421052631578948) internal successors, (103), 20 states have internal predecessors, (103), 11 states have call successors, (184), 1 states have call predecessors, (184), 2 states have return successors, (186), 10 states have call predecessors, (186), 11 states have call successors, (186) Word has length 366 [2025-02-08 10:07:37,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:37,188 INFO L225 Difference]: With dead ends: 129 [2025-02-08 10:07:37,188 INFO L226 Difference]: Without dead ends: 128 [2025-02-08 10:07:37,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 743 GetRequests, 716 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=138, Invalid=618, Unknown=0, NotChecked=0, Total=756 [2025-02-08 10:07:37,189 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 118 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:37,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 1055 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:37,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-08 10:07:37,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 124. [2025-02-08 10:07:37,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 55 states have internal predecessors, (60), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:37,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 194 transitions. [2025-02-08 10:07:37,206 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 194 transitions. Word has length 366 [2025-02-08 10:07:37,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:37,207 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 194 transitions. [2025-02-08 10:07:37,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 5.421052631578948) internal successors, (103), 20 states have internal predecessors, (103), 11 states have call successors, (184), 1 states have call predecessors, (184), 2 states have return successors, (186), 10 states have call predecessors, (186), 11 states have call successors, (186) [2025-02-08 10:07:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 194 transitions. [2025-02-08 10:07:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2025-02-08 10:07:37,210 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:37,210 INFO L218 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:37,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:37,414 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,SelfDestructingSolverStorable17 [2025-02-08 10:07:37,414 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:37,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:37,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1775280834, now seen corresponding path program 1 times [2025-02-08 10:07:37,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:37,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38686332] [2025-02-08 10:07:37,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:37,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:37,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 371 statements into 1 equivalence classes. [2025-02-08 10:07:37,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 371 of 371 statements. [2025-02-08 10:07:37,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:37,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 30 proven. 168 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2025-02-08 10:07:37,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:37,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38686332] [2025-02-08 10:07:37,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38686332] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:37,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631628035] [2025-02-08 10:07:37,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:37,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:37,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:37,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:37,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 10:07:37,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 371 statements into 1 equivalence classes. [2025-02-08 10:07:37,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 371 of 371 statements. [2025-02-08 10:07:37,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:37,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:37,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 701 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 10:07:37,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:38,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 312 proven. 444 refuted. 0 times theorem prover too weak. 8088 trivial. 0 not checked. [2025-02-08 10:07:38,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 312 proven. 444 refuted. 0 times theorem prover too weak. 8088 trivial. 0 not checked. [2025-02-08 10:07:38,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631628035] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:38,520 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:38,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-08 10:07:38,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082571124] [2025-02-08 10:07:38,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:38,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 10:07:38,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:38,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 10:07:38,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-08 10:07:38,527 INFO L87 Difference]: Start difference. First operand 124 states and 194 transitions. Second operand has 20 states, 18 states have (on average 5.888888888888889) internal successors, (106), 17 states have internal predecessors, (106), 11 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (185), 11 states have call predecessors, (185), 11 states have call successors, (185) [2025-02-08 10:07:39,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:39,063 INFO L93 Difference]: Finished difference Result 128 states and 201 transitions. [2025-02-08 10:07:39,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:07:39,063 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 5.888888888888889) internal successors, (106), 17 states have internal predecessors, (106), 11 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (185), 11 states have call predecessors, (185), 11 states have call successors, (185) Word has length 371 [2025-02-08 10:07:39,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:39,068 INFO L225 Difference]: With dead ends: 128 [2025-02-08 10:07:39,068 INFO L226 Difference]: Without dead ends: 127 [2025-02-08 10:07:39,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 727 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-08 10:07:39,068 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 165 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:39,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 972 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:39,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-08 10:07:39,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 123. [2025-02-08 10:07:39,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 53 states have (on average 1.1132075471698113) internal successors, (59), 54 states have internal predecessors, (59), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:39,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 193 transitions. [2025-02-08 10:07:39,098 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 193 transitions. Word has length 371 [2025-02-08 10:07:39,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:39,098 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 193 transitions. [2025-02-08 10:07:39,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 5.888888888888889) internal successors, (106), 17 states have internal predecessors, (106), 11 states have call successors, (183), 1 states have call predecessors, (183), 2 states have return successors, (185), 11 states have call predecessors, (185), 11 states have call successors, (185) [2025-02-08 10:07:39,098 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2025-02-08 10:07:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2025-02-08 10:07:39,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:39,104 INFO L218 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:39,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 10:07:39,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:39,304 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:39,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:39,305 INFO L85 PathProgramCache]: Analyzing trace with hash -800869015, now seen corresponding path program 1 times [2025-02-08 10:07:39,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:39,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364783549] [2025-02-08 10:07:39,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:39,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:39,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 372 statements into 1 equivalence classes. [2025-02-08 10:07:39,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 372 of 372 statements. [2025-02-08 10:07:39,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:39,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:39,458 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2025-02-08 10:07:39,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364783549] [2025-02-08 10:07:39,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364783549] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:39,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616151799] [2025-02-08 10:07:39,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:39,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:39,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:39,461 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:39,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 10:07:39,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 372 statements into 1 equivalence classes. [2025-02-08 10:07:39,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 372 of 372 statements. [2025-02-08 10:07:39,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:39,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:39,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 702 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:39,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2025-02-08 10:07:39,759 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:39,997 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 36 proven. 162 refuted. 0 times theorem prover too weak. 8646 trivial. 0 not checked. [2025-02-08 10:07:39,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616151799] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:39,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:39,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-08 10:07:39,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877360024] [2025-02-08 10:07:39,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:39,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 10:07:39,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:39,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 10:07:39,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:40,000 INFO L87 Difference]: Start difference. First operand 123 states and 193 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2025-02-08 10:07:40,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:40,232 INFO L93 Difference]: Finished difference Result 123 states and 193 transitions. [2025-02-08 10:07:40,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:40,233 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 372 [2025-02-08 10:07:40,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:40,234 INFO L225 Difference]: With dead ends: 123 [2025-02-08 10:07:40,234 INFO L226 Difference]: Without dead ends: 122 [2025-02-08 10:07:40,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 747 GetRequests, 740 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:40,235 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 15 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:40,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 451 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 10:07:40,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-08 10:07:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2025-02-08 10:07:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 53 states have internal predecessors, (58), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 10:07:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 192 transitions. [2025-02-08 10:07:40,251 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 192 transitions. Word has length 372 [2025-02-08 10:07:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:40,251 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 192 transitions. [2025-02-08 10:07:40,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 8 states have internal predecessors, (75), 4 states have call successors, (121), 1 states have call predecessors, (121), 2 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2025-02-08 10:07:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 192 transitions. [2025-02-08 10:07:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2025-02-08 10:07:40,253 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:40,253 INFO L218 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:40,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:40,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:40,454 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 10:07:40,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:40,454 INFO L85 PathProgramCache]: Analyzing trace with hash -145518497, now seen corresponding path program 1 times [2025-02-08 10:07:40,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:40,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387759788] [2025-02-08 10:07:40,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:40,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:40,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 375 statements into 1 equivalence classes. [2025-02-08 10:07:40,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 375 of 375 statements. [2025-02-08 10:07:40,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:40,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 66 proven. 324 refuted. 0 times theorem prover too weak. 8454 trivial. 0 not checked. [2025-02-08 10:07:40,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387759788] [2025-02-08 10:07:40,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387759788] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:40,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720641196] [2025-02-08 10:07:40,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:40,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:40,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:40,625 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:40,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 10:07:40,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 375 statements into 1 equivalence classes. [2025-02-08 10:07:40,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 375 of 375 statements. [2025-02-08 10:07:40,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:40,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:40,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-08 10:07:40,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 537 proven. 561 refuted. 0 times theorem prover too weak. 7746 trivial. 0 not checked. [2025-02-08 10:07:41,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 537 proven. 561 refuted. 0 times theorem prover too weak. 7746 trivial. 0 not checked. [2025-02-08 10:07:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720641196] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:41,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:41,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 16] total 31 [2025-02-08 10:07:41,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251332299] [2025-02-08 10:07:41,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:41,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-02-08 10:07:41,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:41,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-02-08 10:07:41,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=884, Unknown=0, NotChecked=0, Total=992 [2025-02-08 10:07:41,796 INFO L87 Difference]: Start difference. First operand 122 states and 192 transitions. Second operand has 32 states, 29 states have (on average 4.137931034482759) internal successors, (120), 32 states have internal predecessors, (120), 15 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 15 states have call predecessors, (189), 15 states have call successors, (189) [2025-02-08 10:07:42,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:42,842 INFO L93 Difference]: Finished difference Result 130 states and 202 transitions. [2025-02-08 10:07:42,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 10:07:42,843 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 29 states have (on average 4.137931034482759) internal successors, (120), 32 states have internal predecessors, (120), 15 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 15 states have call predecessors, (189), 15 states have call successors, (189) Word has length 375 [2025-02-08 10:07:42,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:42,844 INFO L225 Difference]: With dead ends: 130 [2025-02-08 10:07:42,844 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 10:07:42,845 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 768 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=269, Invalid=1623, Unknown=0, NotChecked=0, Total=1892 [2025-02-08 10:07:42,852 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 192 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 1868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:42,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 1678 Invalid, 1868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1748 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 10:07:42,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 10:07:42,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 10:07:42,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:07:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 10:07:42,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 375 [2025-02-08 10:07:42,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:42,853 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 10:07:42,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 29 states have (on average 4.137931034482759) internal successors, (120), 32 states have internal predecessors, (120), 15 states have call successors, (187), 1 states have call predecessors, (187), 2 states have return successors, (189), 15 states have call predecessors, (189), 15 states have call successors, (189) [2025-02-08 10:07:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 10:07:42,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 10:07:42,855 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2025-02-08 10:07:42,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2025-02-08 10:07:42,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2025-02-08 10:07:42,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2025-02-08 10:07:42,866 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2025-02-08 10:07:42,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2025-02-08 10:07:42,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2025-02-08 10:07:42,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2025-02-08 10:07:42,867 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2025-02-08 10:07:42,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 10:07:43,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:43,070 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:43,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 10:07:46,916 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 10:07:46,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 10:07:46 BoogieIcfgContainer [2025-02-08 10:07:46,920 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 10:07:46,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 10:07:46,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 10:07:46,921 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 10:07:46,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:01" (3/4) ... [2025-02-08 10:07:46,923 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 10:07:46,928 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume [2025-02-08 10:07:46,932 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 10:07:46,932 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 10:07:46,932 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 10:07:46,933 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 10:07:46,990 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 10:07:46,990 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 10:07:46,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 10:07:46,991 INFO L158 Benchmark]: Toolchain (without parser) took 45841.99ms. Allocated memory was 167.8MB in the beginning and 687.9MB in the end (delta: 520.1MB). Free memory was 133.2MB in the beginning and 265.2MB in the end (delta: -132.0MB). Peak memory consumption was 382.7MB. Max. memory is 16.1GB. [2025-02-08 10:07:46,991 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 218.1MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:07:46,991 INFO L158 Benchmark]: CACSL2BoogieTranslator took 203.31ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 120.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:07:46,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.56ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 119.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:07:46,991 INFO L158 Benchmark]: Boogie Preprocessor took 46.48ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 117.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:07:46,991 INFO L158 Benchmark]: IcfgBuilder took 497.14ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 95.2MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 10:07:46,992 INFO L158 Benchmark]: TraceAbstraction took 44978.29ms. Allocated memory was 167.8MB in the beginning and 687.9MB in the end (delta: 520.1MB). Free memory was 94.8MB in the beginning and 273.4MB in the end (delta: -178.6MB). Peak memory consumption was 375.8MB. Max. memory is 16.1GB. [2025-02-08 10:07:46,992 INFO L158 Benchmark]: Witness Printer took 69.35ms. Allocated memory is still 687.9MB. Free memory was 273.4MB in the beginning and 265.2MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:07:46,993 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 218.1MB. Free memory is still 133.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 203.31ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 120.6MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.56ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 119.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.48ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 117.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 497.14ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 95.2MB in the end (delta: 22.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 44978.29ms. Allocated memory was 167.8MB in the beginning and 687.9MB in the end (delta: 520.1MB). Free memory was 94.8MB in the beginning and 273.4MB in the end (delta: -178.6MB). Peak memory consumption was 375.8MB. Max. memory is 16.1GB. * Witness Printer took 69.35ms. Allocated memory is still 687.9MB. Free memory was 273.4MB in the beginning and 265.2MB in the end (delta: 8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 133]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 133]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 132]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 130]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 130]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 129]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 129]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 127]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 127]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 126]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 126]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 124]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 124]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 123]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 123]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 121]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 121]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 120]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 118]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 117]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 117]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 150 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 21, TraceHistogramMax: 67, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1203 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1203 mSDsluCounter, 19081 SdHoareTripleChecker+Invalid, 7.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16353 mSDsCounter, 1202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16376 IncrementalHoareTripleChecker+Invalid, 17578 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1202 mSolverCounterUnsat, 2728 mSDtfsCounter, 16376 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13860 GetRequests, 13436 SyntacticMatches, 12 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2564 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, InterpolantAutomatonStates: 225, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 21 MinimizatonAttempts, 65 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 14317 NumberOfCodeBlocks, 14317 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 20925 ConstructedInterpolants, 0 QuantifiedInterpolants, 51991 SizeOfPredicates, 75 NumberOfNonLiveVariables, 13147 ConjunctsInSsa, 374 ConjunctsInUnsatCore, 60 InterpolantComputations, 2 PerfectInterpolantSequences, 473947/491088 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 10:07:47,011 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE