./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/mannadiv.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/nla-digbench/mannadiv.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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:16:51,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:16:51,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:16:51,337 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:16:51,338 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:16:51,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:16:51,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:16:51,354 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:16:51,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:16:51,355 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:16:51,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:16:51,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:16:51,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:16:51,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:16:51,355 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:16:51,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:16:51,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:16:51,356 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:16:51,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:16:51,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:16:51,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:16:51,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:16:51,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:16:51,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:16:51,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:16:51,358 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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2025-02-08 09:16:51,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:16:51,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:16:51,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:16:51,570 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:16:51,570 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:16:51,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/mannadiv.c [2025-02-08 09:16:52,704 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e678aabe/1ede4f2bdd6e46f68ddb3198893b8613/FLAGc2b9894b0 [2025-02-08 09:16:52,975 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:16:52,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/mannadiv.c [2025-02-08 09:16:52,987 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e678aabe/1ede4f2bdd6e46f68ddb3198893b8613/FLAGc2b9894b0 [2025-02-08 09:16:53,314 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e678aabe/1ede4f2bdd6e46f68ddb3198893b8613 [2025-02-08 09:16:53,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:16:53,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:16:53,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:16:53,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:16:53,336 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:16:53,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,338 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6038d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53, skipping insertion in model container [2025-02-08 09:16:53,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:16:53,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:16:53,597 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:16:53,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:16:53,645 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:16:53,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53 WrapperNode [2025-02-08 09:16:53,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:16:53,647 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:16:53,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:16:53,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:16:53,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,692 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2025-02-08 09:16:53,694 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:16:53,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:16:53,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:16:53,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:16:53,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,734 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 09:16:53,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,738 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:16:53,747 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:16:53,747 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:16:53,747 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:16:53,748 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (1/1) ... [2025-02-08 09:16:53,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:16:53,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:53,794 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 09:16:53,800 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 09:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:16:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:16:53,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:16:53,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:16:53,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:16:53,860 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:16:53,862 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:16:54,055 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2025-02-08 09:16:54,055 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:16:54,062 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:16:54,062 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:16:54,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:16:54 BoogieIcfgContainer [2025-02-08 09:16:54,063 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:16:54,064 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:16:54,065 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:16:54,068 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:16:54,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:16:53" (1/3) ... [2025-02-08 09:16:54,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c275b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:16:54, skipping insertion in model container [2025-02-08 09:16:54,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:16:53" (2/3) ... [2025-02-08 09:16:54,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c275b55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:16:54, skipping insertion in model container [2025-02-08 09:16:54,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:16:54" (3/3) ... [2025-02-08 09:16:54,070 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv.c [2025-02-08 09:16:54,080 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:16:54,081 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv.c that has 3 procedures, 60 locations, 1 initial locations, 1 loop locations, and 20 error locations. [2025-02-08 09:16:54,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:16:54,145 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;@28ad71c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:16:54,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-02-08 09:16:54,149 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 53 states have internal predecessors, (58), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:16:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:16:54,154 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:54,155 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:54,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:54,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:54,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1049707237, now seen corresponding path program 1 times [2025-02-08 09:16:54,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:54,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059485573] [2025-02-08 09:16:54,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:54,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:16:54,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:16:54,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:54,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:54,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:16:54,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:54,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059485573] [2025-02-08 09:16:54,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059485573] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:54,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1452393465] [2025-02-08 09:16:54,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:54,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:54,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:54,263 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 09:16:54,266 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 09:16:54,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:16:54,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:16:54,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:54,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:54,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:16:54,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:54,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:16:54,326 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:54,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1452393465] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:54,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:54,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:16:54,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514455452] [2025-02-08 09:16:54,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:54,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:16:54,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:54,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:16:54,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:16:54,347 INFO L87 Difference]: Start difference. First operand has 60 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 53 states have internal predecessors, (58), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:54,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:54,359 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2025-02-08 09:16:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:16:54,361 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-08 09:16:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:54,365 INFO L225 Difference]: With dead ends: 118 [2025-02-08 09:16:54,365 INFO L226 Difference]: Without dead ends: 56 [2025-02-08 09:16:54,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 09:16:54,369 INFO L435 NwaCegarLoop]: 63 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, 63 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 09:16:54,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:16:54,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-02-08 09:16:54,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-02-08 09:16:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 50 states have internal predecessors, (52), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:16:54,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2025-02-08 09:16:54,393 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 14 [2025-02-08 09:16:54,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:54,393 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2025-02-08 09:16:54,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:16:54,393 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2025-02-08 09:16:54,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:16:54,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:54,394 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:54,400 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 09:16:54,598 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 09:16:54,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:54,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:54,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1476937857, now seen corresponding path program 1 times [2025-02-08 09:16:54,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:54,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925496211] [2025-02-08 09:16:54,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:54,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:54,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:16:54,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:16:54,619 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:54,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:54,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086872564] [2025-02-08 09:16:54,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:54,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:54,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:54,626 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 09:16:54,627 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 09:16:54,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:16:54,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:16:54,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:54,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:54,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:16:54,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:54,682 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:54,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:54,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925496211] [2025-02-08 09:16:54,683 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:54,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086872564] [2025-02-08 09:16:54,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086872564] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:54,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:54,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:16:54,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799883865] [2025-02-08 09:16:54,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:54,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:16:54,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:54,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:16:54,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:16:54,685 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:54,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:54,731 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2025-02-08 09:16:54,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:16:54,732 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2025-02-08 09:16:54,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:54,732 INFO L225 Difference]: With dead ends: 90 [2025-02-08 09:16:54,732 INFO L226 Difference]: Without dead ends: 84 [2025-02-08 09:16:54,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 09:16:54,733 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 26 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:54,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 74 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:16:54,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-08 09:16:54,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2025-02-08 09:16:54,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.66) internal successors, (83), 69 states have internal predecessors, (83), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:16:54,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2025-02-08 09:16:54,739 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 14 [2025-02-08 09:16:54,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:54,740 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2025-02-08 09:16:54,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:54,740 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2025-02-08 09:16:54,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:16:54,740 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:54,740 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:54,746 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 09:16:54,946 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 09:16:54,946 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:54,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1998073311, now seen corresponding path program 1 times [2025-02-08 09:16:54,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:54,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925018487] [2025-02-08 09:16:54,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:54,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:54,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:16:54,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:16:54,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:54,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:55,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:55,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:55,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925018487] [2025-02-08 09:16:55,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925018487] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:55,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:55,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:16:55,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993260728] [2025-02-08 09:16:55,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:55,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:55,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:55,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:55,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:16:55,014 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:55,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:55,110 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2025-02-08 09:16:55,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:55,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-08 09:16:55,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:55,112 INFO L225 Difference]: With dead ends: 120 [2025-02-08 09:16:55,112 INFO L226 Difference]: Without dead ends: 113 [2025-02-08 09:16:55,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:16:55,113 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:55,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 90 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:55,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-02-08 09:16:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2025-02-08 09:16:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 81 states have (on average 1.5679012345679013) internal successors, (127), 100 states have internal predecessors, (127), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:16:55,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2025-02-08 09:16:55,124 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 16 [2025-02-08 09:16:55,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:55,124 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2025-02-08 09:16:55,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:55,124 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2025-02-08 09:16:55,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:16:55,125 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:55,125 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:55,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:16:55,125 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:55,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1810730506, now seen corresponding path program 1 times [2025-02-08 09:16:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:55,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813459934] [2025-02-08 09:16:55,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:55,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:55,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:16:55,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:16:55,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:55,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:55,204 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:55,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:55,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813459934] [2025-02-08 09:16:55,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813459934] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:55,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:55,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:16:55,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081318569] [2025-02-08 09:16:55,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:55,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:55,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:55,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:55,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:16:55,208 INFO L87 Difference]: Start difference. First operand 109 states and 139 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:55,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:55,293 INFO L93 Difference]: Finished difference Result 115 states and 140 transitions. [2025-02-08 09:16:55,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:55,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-02-08 09:16:55,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:55,295 INFO L225 Difference]: With dead ends: 115 [2025-02-08 09:16:55,297 INFO L226 Difference]: Without dead ends: 106 [2025-02-08 09:16:55,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:16:55,298 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 32 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:55,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 76 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:55,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-08 09:16:55,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2025-02-08 09:16:55,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 95 states have internal predecessors, (117), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:16:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 129 transitions. [2025-02-08 09:16:55,309 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 129 transitions. Word has length 17 [2025-02-08 09:16:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:55,310 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 129 transitions. [2025-02-08 09:16:55,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2025-02-08 09:16:55,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:16:55,310 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:55,310 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:55,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:16:55,311 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:55,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:55,311 INFO L85 PathProgramCache]: Analyzing trace with hash 298070845, now seen corresponding path program 1 times [2025-02-08 09:16:55,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:55,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359963735] [2025-02-08 09:16:55,311 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:55,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:55,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:16:55,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:16:55,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:55,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:55,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:55,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359963735] [2025-02-08 09:16:55,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359963735] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:55,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784763129] [2025-02-08 09:16:55,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:55,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:55,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:55,498 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 09:16:55,503 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 09:16:55,524 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:16:55,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:16:55,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:55,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:55,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:16:55,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:55,616 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:55,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784763129] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:55,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:55,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:16:55,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48554447] [2025-02-08 09:16:55,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:55,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:55,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:55,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:55,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:16:55,617 INFO L87 Difference]: Start difference. First operand 104 states and 129 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:55,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:55,696 INFO L93 Difference]: Finished difference Result 107 states and 133 transitions. [2025-02-08 09:16:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:55,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-08 09:16:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:55,697 INFO L225 Difference]: With dead ends: 107 [2025-02-08 09:16:55,697 INFO L226 Difference]: Without dead ends: 106 [2025-02-08 09:16:55,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:16:55,698 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 72 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:55,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 61 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:55,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-08 09:16:55,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2025-02-08 09:16:55,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.5263157894736843) internal successors, (116), 95 states have internal predecessors, (116), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:16:55,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2025-02-08 09:16:55,712 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 18 [2025-02-08 09:16:55,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:55,716 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2025-02-08 09:16:55,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2025-02-08 09:16:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:16:55,716 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:55,716 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:55,727 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 09:16:55,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:55,920 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:55,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:55,921 INFO L85 PathProgramCache]: Analyzing trace with hash 650261608, now seen corresponding path program 1 times [2025-02-08 09:16:55,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:55,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207631703] [2025-02-08 09:16:55,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:55,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:55,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:16:55,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:16:55,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:55,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:55,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [693587103] [2025-02-08 09:16:55,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:55,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:55,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:55,944 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 09:16:55,945 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 09:16:55,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:16:55,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:16:55,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:55,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:55,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:16:55,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:56,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:56,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207631703] [2025-02-08 09:16:56,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:56,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693587103] [2025-02-08 09:16:56,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693587103] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:56,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:56,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:16:56,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703423893] [2025-02-08 09:16:56,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:56,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:56,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:56,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:56,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:16:56,060 INFO L87 Difference]: Start difference. First operand 104 states and 128 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:56,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:56,131 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2025-02-08 09:16:56,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:56,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-08 09:16:56,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:56,132 INFO L225 Difference]: With dead ends: 105 [2025-02-08 09:16:56,132 INFO L226 Difference]: Without dead ends: 104 [2025-02-08 09:16:56,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:16:56,134 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 65 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:56,135 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 66 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:56,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-08 09:16:56,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-08 09:16:56,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.513157894736842) internal successors, (115), 95 states have internal predecessors, (115), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:16:56,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 127 transitions. [2025-02-08 09:16:56,148 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 127 transitions. Word has length 19 [2025-02-08 09:16:56,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:56,148 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 127 transitions. [2025-02-08 09:16:56,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:16:56,148 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 127 transitions. [2025-02-08 09:16:56,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:16:56,149 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:56,149 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:56,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:16:56,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-08 09:16:56,353 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:56,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2119393160, now seen corresponding path program 1 times [2025-02-08 09:16:56,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:56,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7865713] [2025-02-08 09:16:56,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:56,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:16:56,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:16:56,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:56,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:56,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:56,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7865713] [2025-02-08 09:16:56,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7865713] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:56,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442298780] [2025-02-08 09:16:56,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:56,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:56,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:56,459 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 09:16:56,460 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 09:16:56,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:16:56,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:16:56,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:56,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:56,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:16:56,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:56,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:56,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:56,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:56,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442298780] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:16:56,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:16:56,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-08 09:16:56,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949108098] [2025-02-08 09:16:56,597 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:56,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:16:56,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:56,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:16:56,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:16:56,598 INFO L87 Difference]: Start difference. First operand 104 states and 127 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:16:56,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:56,681 INFO L93 Difference]: Finished difference Result 157 states and 194 transitions. [2025-02-08 09:16:56,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:16:56,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 31 [2025-02-08 09:16:56,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:56,683 INFO L225 Difference]: With dead ends: 157 [2025-02-08 09:16:56,683 INFO L226 Difference]: Without dead ends: 155 [2025-02-08 09:16:56,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:16:56,683 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 118 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:56,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 250 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:56,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-08 09:16:56,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2025-02-08 09:16:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 115 states have (on average 1.5043478260869565) internal successors, (173), 134 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:16:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 189 transitions. [2025-02-08 09:16:56,691 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 189 transitions. Word has length 31 [2025-02-08 09:16:56,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:56,691 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 189 transitions. [2025-02-08 09:16:56,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:16:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions. [2025-02-08 09:16:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:16:56,692 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:56,692 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:56,698 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:16:56,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:56,896 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:56,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:56,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1276678540, now seen corresponding path program 1 times [2025-02-08 09:16:56,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:56,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464531095] [2025-02-08 09:16:56,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:56,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:56,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:16:56,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:16:56,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:56,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:56,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:56,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464531095] [2025-02-08 09:16:56,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464531095] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:56,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:16:56,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:16:56,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765222972] [2025-02-08 09:16:56,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:56,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:16:56,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:56,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:16:56,977 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:16:56,977 INFO L87 Difference]: Start difference. First operand 145 states and 189 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:57,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:57,008 INFO L93 Difference]: Finished difference Result 145 states and 189 transitions. [2025-02-08 09:16:57,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:16:57,009 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2025-02-08 09:16:57,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:57,010 INFO L225 Difference]: With dead ends: 145 [2025-02-08 09:16:57,010 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:16:57,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:16:57,011 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 57 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:57,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 70 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:16:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:16:57,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-02-08 09:16:57,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 115 states have (on average 1.4608695652173913) internal successors, (168), 132 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:16:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 184 transitions. [2025-02-08 09:16:57,017 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 184 transitions. Word has length 32 [2025-02-08 09:16:57,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:57,017 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 184 transitions. [2025-02-08 09:16:57,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 184 transitions. [2025-02-08 09:16:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:16:57,018 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:57,018 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:57,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:16:57,019 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:57,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:57,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1472570258, now seen corresponding path program 1 times [2025-02-08 09:16:57,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:57,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142677156] [2025-02-08 09:16:57,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:57,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:57,022 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:16:57,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:16:57,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:57,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:57,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1098800955] [2025-02-08 09:16:57,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:57,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:57,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:57,033 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 09:16:57,038 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 09:16:57,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:16:57,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:16:57,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:57,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:57,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:16:57,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:57,163 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:57,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:57,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:57,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142677156] [2025-02-08 09:16:57,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:57,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098800955] [2025-02-08 09:16:57,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098800955] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:57,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:57,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:16:57,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287221127] [2025-02-08 09:16:57,284 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:57,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:16:57,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:57,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:16:57,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:16:57,285 INFO L87 Difference]: Start difference. First operand 143 states and 184 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:57,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:57,386 INFO L93 Difference]: Finished difference Result 150 states and 187 transitions. [2025-02-08 09:16:57,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:16:57,386 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2025-02-08 09:16:57,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:57,387 INFO L225 Difference]: With dead ends: 150 [2025-02-08 09:16:57,387 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:16:57,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:16:57,388 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 40 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:57,388 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 82 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:16:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2025-02-08 09:16:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 116 states have (on average 1.3448275862068966) internal successors, (156), 128 states have internal predecessors, (156), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:16:57,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 172 transitions. [2025-02-08 09:16:57,398 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 172 transitions. Word has length 34 [2025-02-08 09:16:57,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:57,398 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 172 transitions. [2025-02-08 09:16:57,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:57,398 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 172 transitions. [2025-02-08 09:16:57,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:16:57,398 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:57,398 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:57,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:16:57,599 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,SelfDestructingSolverStorable8 [2025-02-08 09:16:57,600 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:57,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:57,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1594962245, now seen corresponding path program 1 times [2025-02-08 09:16:57,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:57,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622689108] [2025-02-08 09:16:57,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:57,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:57,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:16:57,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:16:57,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:57,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:16:57,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1226093573] [2025-02-08 09:16:57,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:57,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:57,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:57,626 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 09:16:57,628 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 09:16:57,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:16:57,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:16:57,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:57,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:57,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:16:57,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:57,827 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:57,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:58,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622689108] [2025-02-08 09:16:58,016 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:16:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226093573] [2025-02-08 09:16:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226093573] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:58,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:58,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:16:58,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737657963] [2025-02-08 09:16:58,017 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:58,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:16:58,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:58,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:16:58,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:16:58,017 INFO L87 Difference]: Start difference. First operand 139 states and 172 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:58,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:58,123 INFO L93 Difference]: Finished difference Result 187 states and 230 transitions. [2025-02-08 09:16:58,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:16:58,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2025-02-08 09:16:58,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:58,124 INFO L225 Difference]: With dead ends: 187 [2025-02-08 09:16:58,124 INFO L226 Difference]: Without dead ends: 184 [2025-02-08 09:16:58,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:16:58,125 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 73 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:58,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 114 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:58,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-02-08 09:16:58,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2025-02-08 09:16:58,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 151 states have (on average 1.3311258278145695) internal successors, (201), 163 states have internal predecessors, (201), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:16:58,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2025-02-08 09:16:58,132 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 35 [2025-02-08 09:16:58,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:58,132 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2025-02-08 09:16:58,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2025-02-08 09:16:58,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:16:58,133 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:58,133 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:58,139 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 09:16:58,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:58,333 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:58,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash 92420529, now seen corresponding path program 1 times [2025-02-08 09:16:58,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:58,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317667477] [2025-02-08 09:16:58,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:58,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:16:58,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:16:58,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:58,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:58,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:58,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:58,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317667477] [2025-02-08 09:16:58,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317667477] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:58,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796258816] [2025-02-08 09:16:58,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:58,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:58,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:58,399 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 09:16:58,400 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 09:16:58,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:16:58,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:16:58,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:58,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:58,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:16:58,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:58,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:16:58,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796258816] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:16:58,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:16:58,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:16:58,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542078941] [2025-02-08 09:16:58,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:16:58,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:16:58,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:58,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:16:58,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:16:58,506 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:58,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:58,570 INFO L93 Difference]: Finished difference Result 176 states and 221 transitions. [2025-02-08 09:16:58,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:16:58,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2025-02-08 09:16:58,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:58,571 INFO L225 Difference]: With dead ends: 176 [2025-02-08 09:16:58,571 INFO L226 Difference]: Without dead ends: 174 [2025-02-08 09:16:58,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:16:58,571 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:58,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 65 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:16:58,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-02-08 09:16:58,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2025-02-08 09:16:58,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 148 states have (on average 1.3175675675675675) internal successors, (195), 158 states have internal predecessors, (195), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:16:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 215 transitions. [2025-02-08 09:16:58,578 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 215 transitions. Word has length 36 [2025-02-08 09:16:58,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:58,578 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 215 transitions. [2025-02-08 09:16:58,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:16:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 215 transitions. [2025-02-08 09:16:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:16:58,579 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:58,579 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:58,585 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 09:16:58,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:58,783 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:58,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:58,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1429930888, now seen corresponding path program 1 times [2025-02-08 09:16:58,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:58,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475087162] [2025-02-08 09:16:58,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:58,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:58,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:16:58,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:16:58,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:58,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:58,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:58,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:58,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475087162] [2025-02-08 09:16:58,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475087162] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:58,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464127057] [2025-02-08 09:16:58,898 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:58,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:58,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:58,900 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 09:16:58,901 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 09:16:58,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:16:58,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:16:58,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:58,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:58,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:16:58,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:59,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:16:59,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1464127057] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:59,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:16:59,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2025-02-08 09:16:59,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421336540] [2025-02-08 09:16:59,073 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:59,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:16:59,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:59,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:16:59,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:16:59,074 INFO L87 Difference]: Start difference. First operand 171 states and 215 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:16:59,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:16:59,390 INFO L93 Difference]: Finished difference Result 183 states and 219 transitions. [2025-02-08 09:16:59,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:16:59,390 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2025-02-08 09:16:59,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:16:59,391 INFO L225 Difference]: With dead ends: 183 [2025-02-08 09:16:59,391 INFO L226 Difference]: Without dead ends: 168 [2025-02-08 09:16:59,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:16:59,392 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 106 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:16:59,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 118 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:16:59,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-02-08 09:16:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2025-02-08 09:16:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 149 states have internal predecessors, (175), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:16:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2025-02-08 09:16:59,398 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 37 [2025-02-08 09:16:59,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:16:59,398 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2025-02-08 09:16:59,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:16:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2025-02-08 09:16:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:16:59,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:16:59,399 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:16:59,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:16:59,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:59,603 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:16:59,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:16:59,604 INFO L85 PathProgramCache]: Analyzing trace with hash -297034290, now seen corresponding path program 1 times [2025-02-08 09:16:59,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:16:59,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166483477] [2025-02-08 09:16:59,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:59,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:16:59,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:16:59,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:16:59,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:59,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:59,706 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:59,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:16:59,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166483477] [2025-02-08 09:16:59,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166483477] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:16:59,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842225658] [2025-02-08 09:16:59,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:16:59,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:16:59,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:16:59,709 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 09:16:59,710 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 09:16:59,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:16:59,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:16:59,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:16:59,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:16:59,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:16:59,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:16:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:59,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:16:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:16:59,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842225658] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:16:59,959 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:16:59,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-08 09:16:59,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383657870] [2025-02-08 09:16:59,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:16:59,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:16:59,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:16:59,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:16:59,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:16:59,961 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand has 17 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:00,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:00,222 INFO L93 Difference]: Finished difference Result 163 states and 195 transitions. [2025-02-08 09:17:00,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:17:00,222 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2025-02-08 09:17:00,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:00,223 INFO L225 Difference]: With dead ends: 163 [2025-02-08 09:17:00,223 INFO L226 Difference]: Without dead ends: 160 [2025-02-08 09:17:00,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 63 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:17:00,224 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 132 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:00,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 130 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:00,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-08 09:17:00,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 137. [2025-02-08 09:17:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 119 states have (on average 1.1932773109243697) internal successors, (142), 125 states have internal predecessors, (142), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:17:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2025-02-08 09:17:00,230 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 38 [2025-02-08 09:17:00,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:00,230 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2025-02-08 09:17:00,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2025-02-08 09:17:00,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:17:00,230 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:00,230 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:00,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:00,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 09:17:00,431 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:00,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:00,431 INFO L85 PathProgramCache]: Analyzing trace with hash -618128393, now seen corresponding path program 1 times [2025-02-08 09:17:00,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:00,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526701355] [2025-02-08 09:17:00,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:00,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:00,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:17:00,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:17:00,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:00,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:00,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232275065] [2025-02-08 09:17:00,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:00,442 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 09:17:00,443 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 09:17:00,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:17:00,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:17:00,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:00,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:00,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:17:00,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:17:00,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:00,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:17:00,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:00,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526701355] [2025-02-08 09:17:00,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:00,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232275065] [2025-02-08 09:17:00,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232275065] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:00,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:17:00,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:17:00,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136148281] [2025-02-08 09:17:00,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:00,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:17:00,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:00,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:17:00,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:17:00,666 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:17:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:00,851 INFO L93 Difference]: Finished difference Result 219 states and 257 transitions. [2025-02-08 09:17:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:17:00,851 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 39 [2025-02-08 09:17:00,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:00,852 INFO L225 Difference]: With dead ends: 219 [2025-02-08 09:17:00,852 INFO L226 Difference]: Without dead ends: 152 [2025-02-08 09:17:00,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:17:00,853 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 85 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:00,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 94 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:00,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-08 09:17:00,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2025-02-08 09:17:00,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 134 states have (on average 1.1417910447761195) internal successors, (153), 139 states have internal predecessors, (153), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:17:00,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 173 transitions. [2025-02-08 09:17:00,861 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 173 transitions. Word has length 39 [2025-02-08 09:17:00,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:00,861 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 173 transitions. [2025-02-08 09:17:00,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-08 09:17:00,861 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 173 transitions. [2025-02-08 09:17:00,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:17:00,862 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:00,862 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:00,867 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:01,062 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,SelfDestructingSolverStorable13 [2025-02-08 09:17:01,063 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:01,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:01,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1099544650, now seen corresponding path program 2 times [2025-02-08 09:17:01,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:01,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094252926] [2025-02-08 09:17:01,063 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:01,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:01,067 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-08 09:17:01,073 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:17:01,073 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:01,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:01,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985907988] [2025-02-08 09:17:01,074 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:01,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:01,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:01,076 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 09:17:01,077 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 09:17:01,094 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-08 09:17:01,105 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:17:01,105 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:01,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:01,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:17:01,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:17:01,193 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:01,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:17:01,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:01,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094252926] [2025-02-08 09:17:01,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:01,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985907988] [2025-02-08 09:17:01,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985907988] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:01,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:17:01,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:17:01,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292113185] [2025-02-08 09:17:01,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:01,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:17:01,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:01,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:17:01,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:17:01,375 INFO L87 Difference]: Start difference. First operand 152 states and 173 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:17:01,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:01,672 INFO L93 Difference]: Finished difference Result 311 states and 365 transitions. [2025-02-08 09:17:01,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:17:01,672 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 55 [2025-02-08 09:17:01,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:01,674 INFO L225 Difference]: With dead ends: 311 [2025-02-08 09:17:01,674 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:17:01,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:17:01,676 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 166 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:01,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 200 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:01,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:17:01,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 294. [2025-02-08 09:17:01,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 269 states have (on average 1.1449814126394051) internal successors, (308), 273 states have internal predecessors, (308), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:17:01,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 344 transitions. [2025-02-08 09:17:01,712 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 344 transitions. Word has length 55 [2025-02-08 09:17:01,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:01,712 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 344 transitions. [2025-02-08 09:17:01,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:17:01,712 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 344 transitions. [2025-02-08 09:17:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:17:01,713 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:01,713 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:01,720 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 09:17:01,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:01,917 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:01,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1525464736, now seen corresponding path program 1 times [2025-02-08 09:17:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:01,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823690166] [2025-02-08 09:17:01,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:01,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:01,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:17:01,929 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:17:01,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:01,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:17:02,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:02,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823690166] [2025-02-08 09:17:02,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823690166] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:02,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097574691] [2025-02-08 09:17:02,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:02,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:02,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:02,008 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 09:17:02,010 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 09:17:02,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:17:02,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:17:02,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:02,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:02,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:17:02,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:02,114 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:17:02,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:17:02,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097574691] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:02,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:02,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:17:02,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695366385] [2025-02-08 09:17:02,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:02,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:17:02,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:02,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:17:02,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:17:02,179 INFO L87 Difference]: Start difference. First operand 294 states and 344 transitions. Second operand has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-08 09:17:02,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:02,285 INFO L93 Difference]: Finished difference Result 818 states and 1019 transitions. [2025-02-08 09:17:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:17:02,286 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 67 [2025-02-08 09:17:02,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:02,290 INFO L225 Difference]: With dead ends: 818 [2025-02-08 09:17:02,290 INFO L226 Difference]: Without dead ends: 816 [2025-02-08 09:17:02,290 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:17:02,291 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:02,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 109 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:02,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2025-02-08 09:17:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2025-02-08 09:17:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 758 states have (on average 1.1174142480211082) internal successors, (847), 761 states have internal predecessors, (847), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-08 09:17:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 951 transitions. [2025-02-08 09:17:02,330 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 951 transitions. Word has length 67 [2025-02-08 09:17:02,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:02,330 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 951 transitions. [2025-02-08 09:17:02,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-08 09:17:02,330 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 951 transitions. [2025-02-08 09:17:02,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:17:02,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:02,331 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:02,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:02,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:02,536 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:02,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:02,537 INFO L85 PathProgramCache]: Analyzing trace with hash -141131114, now seen corresponding path program 1 times [2025-02-08 09:17:02,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:02,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416162128] [2025-02-08 09:17:02,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:02,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:17:02,563 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:17:02,563 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:02,563 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:02,632 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:17:02,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416162128] [2025-02-08 09:17:02,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416162128] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:02,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10842029] [2025-02-08 09:17:02,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:02,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:02,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:02,635 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 09:17:02,637 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 09:17:02,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:17:02,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:17:02,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:02,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:02,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:17:02,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:02,731 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:17:02,731 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:02,791 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:17:02,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10842029] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:02,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:02,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2025-02-08 09:17:02,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085560225] [2025-02-08 09:17:02,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:02,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:17:02,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:02,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:17:02,792 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:17:02,793 INFO L87 Difference]: Start difference. First operand 816 states and 951 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:17:02,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:02,861 INFO L93 Difference]: Finished difference Result 1000 states and 1161 transitions. [2025-02-08 09:17:02,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:17:02,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 77 [2025-02-08 09:17:02,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:02,864 INFO L225 Difference]: With dead ends: 1000 [2025-02-08 09:17:02,864 INFO L226 Difference]: Without dead ends: 557 [2025-02-08 09:17:02,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:17:02,865 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:02,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 98 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:17:02,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-02-08 09:17:02,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 556. [2025-02-08 09:17:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 515 states have (on average 1.1009708737864077) internal successors, (567), 518 states have internal predecessors, (567), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:17:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2025-02-08 09:17:02,895 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 77 [2025-02-08 09:17:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:02,896 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2025-02-08 09:17:02,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:17:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2025-02-08 09:17:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:17:02,897 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:02,897 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:02,903 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 09:17:03,097 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,SelfDestructingSolverStorable16 [2025-02-08 09:17:03,097 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:03,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:03,098 INFO L85 PathProgramCache]: Analyzing trace with hash 728737461, now seen corresponding path program 2 times [2025-02-08 09:17:03,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:03,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878659849] [2025-02-08 09:17:03,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:03,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:03,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 77 statements into 2 equivalence classes. [2025-02-08 09:17:03,108 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:17:03,108 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:03,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:03,294 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:17:03,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:03,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878659849] [2025-02-08 09:17:03,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878659849] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:03,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883542883] [2025-02-08 09:17:03,295 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:03,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:03,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:03,297 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 09:17:03,298 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 09:17:03,317 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 77 statements into 2 equivalence classes. [2025-02-08 09:17:03,330 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:17:03,330 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:03,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:03,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:17:03,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:03,453 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:17:03,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:03,620 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:17:03,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883542883] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:03,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:03,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2025-02-08 09:17:03,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189553780] [2025-02-08 09:17:03,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:03,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:17:03,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:03,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:17:03,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:17:03,622 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 23 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-08 09:17:04,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:04,718 INFO L93 Difference]: Finished difference Result 807 states and 916 transitions. [2025-02-08 09:17:04,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-02-08 09:17:04,718 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 77 [2025-02-08 09:17:04,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:04,721 INFO L225 Difference]: With dead ends: 807 [2025-02-08 09:17:04,721 INFO L226 Difference]: Without dead ends: 806 [2025-02-08 09:17:04,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1258, Invalid=4144, Unknown=0, NotChecked=0, Total=5402 [2025-02-08 09:17:04,724 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 304 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:04,724 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 194 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:04,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2025-02-08 09:17:04,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 555. [2025-02-08 09:17:04,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 515 states have (on average 1.0660194174757283) internal successors, (549), 517 states have internal predecessors, (549), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:17:04,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 619 transitions. [2025-02-08 09:17:04,749 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 619 transitions. Word has length 77 [2025-02-08 09:17:04,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:04,749 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 619 transitions. [2025-02-08 09:17:04,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-08 09:17:04,749 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 619 transitions. [2025-02-08 09:17:04,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:17:04,751 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:04,752 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:04,758 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 09:17:04,954 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,SelfDestructingSolverStorable17 [2025-02-08 09:17:04,954 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:04,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1432544791, now seen corresponding path program 1 times [2025-02-08 09:17:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:04,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674226029] [2025-02-08 09:17:04,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:04,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:04,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:17:04,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:17:04,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:04,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:17:05,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:05,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674226029] [2025-02-08 09:17:05,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674226029] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:05,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748786850] [2025-02-08 09:17:05,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:05,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:05,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:05,021 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 09:17:05,023 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 09:17:05,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:17:05,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:17:05,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:05,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:05,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:17:05,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:17:05,107 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:17:05,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748786850] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:05,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:05,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:17:05,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361876406] [2025-02-08 09:17:05,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:05,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:17:05,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:05,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:17:05,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:17:05,195 INFO L87 Difference]: Start difference. First operand 555 states and 619 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-08 09:17:05,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:05,336 INFO L93 Difference]: Finished difference Result 1331 states and 1500 transitions. [2025-02-08 09:17:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:17:05,336 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 90 [2025-02-08 09:17:05,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:05,341 INFO L225 Difference]: With dead ends: 1331 [2025-02-08 09:17:05,341 INFO L226 Difference]: Without dead ends: 1330 [2025-02-08 09:17:05,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:17:05,342 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:05,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 179 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:05,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2025-02-08 09:17:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1322. [2025-02-08 09:17:05,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1234 states have (on average 1.0696920583468394) internal successors, (1320), 1236 states have internal predecessors, (1320), 83 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2025-02-08 09:17:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1486 transitions. [2025-02-08 09:17:05,394 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1486 transitions. Word has length 90 [2025-02-08 09:17:05,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:05,394 INFO L471 AbstractCegarLoop]: Abstraction has 1322 states and 1486 transitions. [2025-02-08 09:17:05,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-08 09:17:05,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1486 transitions. [2025-02-08 09:17:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:17:05,395 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:05,395 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:05,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:05,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:05,596 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:05,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:05,596 INFO L85 PathProgramCache]: Analyzing trace with hash -768135865, now seen corresponding path program 1 times [2025-02-08 09:17:05,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:05,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461085225] [2025-02-08 09:17:05,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:05,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:05,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:17:05,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:17:05,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:05,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:05,698 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 09:17:05,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:05,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461085225] [2025-02-08 09:17:05,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461085225] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:05,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795258841] [2025-02-08 09:17:05,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:05,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:05,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:05,700 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 09:17:05,702 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 09:17:05,721 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:17:05,735 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:17:05,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:05,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:05,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:17:05,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:05,808 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 77 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-08 09:17:05,809 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 09:17:05,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795258841] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:05,886 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:05,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-08 09:17:05,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674351664] [2025-02-08 09:17:05,886 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:05,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:17:05,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:05,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:17:05,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:17:05,887 INFO L87 Difference]: Start difference. First operand 1322 states and 1486 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-08 09:17:06,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:06,010 INFO L93 Difference]: Finished difference Result 1389 states and 1556 transitions. [2025-02-08 09:17:06,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:17:06,010 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 95 [2025-02-08 09:17:06,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:06,014 INFO L225 Difference]: With dead ends: 1389 [2025-02-08 09:17:06,014 INFO L226 Difference]: Without dead ends: 1262 [2025-02-08 09:17:06,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:17:06,015 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 28 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:06,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 178 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2025-02-08 09:17:06,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1260. [2025-02-08 09:17:06,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1175 states have (on average 1.062127659574468) internal successors, (1248), 1177 states have internal predecessors, (1248), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:17:06,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1408 transitions. [2025-02-08 09:17:06,065 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1408 transitions. Word has length 95 [2025-02-08 09:17:06,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:06,065 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 1408 transitions. [2025-02-08 09:17:06,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-08 09:17:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1408 transitions. [2025-02-08 09:17:06,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-08 09:17:06,066 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:06,066 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:06,072 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 09:17:06,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:06,267 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:06,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:06,268 INFO L85 PathProgramCache]: Analyzing trace with hash 88758420, now seen corresponding path program 2 times [2025-02-08 09:17:06,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:06,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290358409] [2025-02-08 09:17:06,268 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:06,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:06,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes. [2025-02-08 09:17:06,280 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:17:06,281 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:06,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:06,385 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 47 proven. 104 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:17:06,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:06,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290358409] [2025-02-08 09:17:06,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290358409] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:06,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136696740] [2025-02-08 09:17:06,386 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:06,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:06,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:06,390 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 09:17:06,391 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 09:17:06,412 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes. [2025-02-08 09:17:06,429 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:17:06,430 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:06,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:06,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:17:06,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:06,556 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:17:06,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:17:06,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136696740] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:06,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:06,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-08 09:17:06,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460754638] [2025-02-08 09:17:06,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:06,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:17:06,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:06,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:17:06,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:17:06,668 INFO L87 Difference]: Start difference. First operand 1260 states and 1408 transitions. Second operand has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-08 09:17:06,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:06,922 INFO L93 Difference]: Finished difference Result 2827 states and 3166 transitions. [2025-02-08 09:17:06,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:17:06,922 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 115 [2025-02-08 09:17:06,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:06,931 INFO L225 Difference]: With dead ends: 2827 [2025-02-08 09:17:06,932 INFO L226 Difference]: Without dead ends: 2041 [2025-02-08 09:17:06,934 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 221 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:17:06,934 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 27 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:06,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 293 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:06,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2025-02-08 09:17:06,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 1486. [2025-02-08 09:17:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1387 states have (on average 1.056957462148522) internal successors, (1466), 1389 states have internal predecessors, (1466), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-08 09:17:06,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1654 transitions. [2025-02-08 09:17:06,999 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1654 transitions. Word has length 115 [2025-02-08 09:17:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:06,999 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 1654 transitions. [2025-02-08 09:17:07,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-08 09:17:07,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1654 transitions. [2025-02-08 09:17:07,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:17:07,001 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:07,001 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:07,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:17:07,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:07,202 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:07,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 961099654, now seen corresponding path program 3 times [2025-02-08 09:17:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:07,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668760484] [2025-02-08 09:17:07,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:07,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:17:07,219 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:17:07,220 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:17:07,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:07,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152737354] [2025-02-08 09:17:07,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:07,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:07,222 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:07,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:17:07,279 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:17:07,291 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 55 of 135 statements. [2025-02-08 09:17:07,291 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:17:07,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:07,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:17:07,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:07,336 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-02-08 09:17:07,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:07,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:07,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668760484] [2025-02-08 09:17:07,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:07,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152737354] [2025-02-08 09:17:07,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152737354] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:07,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:07,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:17:07,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992472693] [2025-02-08 09:17:07,517 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:07,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:17:07,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:07,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:17:07,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:17:07,518 INFO L87 Difference]: Start difference. First operand 1486 states and 1654 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:17:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:07,630 INFO L93 Difference]: Finished difference Result 1488 states and 1654 transitions. [2025-02-08 09:17:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:17:07,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 135 [2025-02-08 09:17:07,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:07,635 INFO L225 Difference]: With dead ends: 1488 [2025-02-08 09:17:07,635 INFO L226 Difference]: Without dead ends: 1487 [2025-02-08 09:17:07,636 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:17:07,637 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:07,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 94 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:17:07,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2025-02-08 09:17:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1486. [2025-02-08 09:17:07,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1387 states have (on average 1.0547945205479452) internal successors, (1463), 1389 states have internal predecessors, (1463), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-08 09:17:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1651 transitions. [2025-02-08 09:17:07,696 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1651 transitions. Word has length 135 [2025-02-08 09:17:07,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:07,696 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 1651 transitions. [2025-02-08 09:17:07,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:17:07,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1651 transitions. [2025-02-08 09:17:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:17:07,698 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:07,698 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:07,705 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 09:17:07,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:07,903 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:07,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash -883022173, now seen corresponding path program 3 times [2025-02-08 09:17:07,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:07,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204621542] [2025-02-08 09:17:07,904 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:07,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:07,911 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:17:07,927 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:17:07,927 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:17:07,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:07,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123329521] [2025-02-08 09:17:07,928 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:07,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:07,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:07,930 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 09:17:07,935 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 09:17:07,957 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:17:07,978 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 115 of 135 statements. [2025-02-08 09:17:07,978 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:17:07,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:07,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:17:07,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:08,134 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:08,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:08,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204621542] [2025-02-08 09:17:08,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:08,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123329521] [2025-02-08 09:17:08,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123329521] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:08,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:08,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:17:08,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16501397] [2025-02-08 09:17:08,335 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:08,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:17:08,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:08,336 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:17:08,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:17:08,336 INFO L87 Difference]: Start difference. First operand 1486 states and 1651 transitions. Second operand has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:17:08,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:08,611 INFO L93 Difference]: Finished difference Result 2349 states and 2608 transitions. [2025-02-08 09:17:08,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:17:08,611 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 135 [2025-02-08 09:17:08,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:08,616 INFO L225 Difference]: With dead ends: 2349 [2025-02-08 09:17:08,616 INFO L226 Difference]: Without dead ends: 1484 [2025-02-08 09:17:08,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:17:08,621 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 78 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:08,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 203 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:08,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2025-02-08 09:17:08,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1400. [2025-02-08 09:17:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1306 states have (on average 1.0520673813169985) internal successors, (1374), 1308 states have internal predecessors, (1374), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-02-08 09:17:08,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1552 transitions. [2025-02-08 09:17:08,698 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1552 transitions. Word has length 135 [2025-02-08 09:17:08,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:08,699 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 1552 transitions. [2025-02-08 09:17:08,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-08 09:17:08,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1552 transitions. [2025-02-08 09:17:08,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:17:08,700 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:08,700 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:08,708 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 09:17:08,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:08,905 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:08,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:08,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1059184898, now seen corresponding path program 4 times [2025-02-08 09:17:08,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:08,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537580817] [2025-02-08 09:17:08,905 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:17:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:08,910 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-02-08 09:17:08,921 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:17:08,921 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:17:08,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:08,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239968256] [2025-02-08 09:17:08,922 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:17:08,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:08,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:08,925 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:08,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:17:08,953 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-02-08 09:17:08,975 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:17:08,976 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:17:08,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:08,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-02-08 09:17:08,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:10,347 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-08 09:17:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 23 proven. 230 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-02-08 09:17:10,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:10,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:10,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537580817] [2025-02-08 09:17:10,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:10,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239968256] [2025-02-08 09:17:10,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239968256] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:10,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:10,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2025-02-08 09:17:10,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065522032] [2025-02-08 09:17:10,621 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:10,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 09:17:10,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:10,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 09:17:10,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2025-02-08 09:17:10,623 INFO L87 Difference]: Start difference. First operand 1400 states and 1552 transitions. Second operand has 28 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:17:11,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:11,745 INFO L93 Difference]: Finished difference Result 1629 states and 1803 transitions. [2025-02-08 09:17:11,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:17:11,746 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 135 [2025-02-08 09:17:11,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:11,752 INFO L225 Difference]: With dead ends: 1629 [2025-02-08 09:17:11,752 INFO L226 Difference]: Without dead ends: 1628 [2025-02-08 09:17:11,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=274, Invalid=1532, Unknown=0, NotChecked=0, Total=1806 [2025-02-08 09:17:11,754 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 91 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:11,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 366 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:17:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2025-02-08 09:17:11,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1518. [2025-02-08 09:17:11,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1417 states have (on average 1.0515172900494) internal successors, (1490), 1419 states have internal predecessors, (1490), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2025-02-08 09:17:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1682 transitions. [2025-02-08 09:17:11,816 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1682 transitions. Word has length 135 [2025-02-08 09:17:11,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:11,816 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 1682 transitions. [2025-02-08 09:17:11,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:17:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1682 transitions. [2025-02-08 09:17:11,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-08 09:17:11,818 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:11,818 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:11,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:12,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-08 09:17:12,022 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:12,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:12,023 INFO L85 PathProgramCache]: Analyzing trace with hash -212104424, now seen corresponding path program 2 times [2025-02-08 09:17:12,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:12,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212402856] [2025-02-08 09:17:12,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:12,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:12,027 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-02-08 09:17:12,034 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 09:17:12,034 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:12,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:12,129 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:12,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212402856] [2025-02-08 09:17:12,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212402856] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:12,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009245822] [2025-02-08 09:17:12,130 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:12,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:12,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:12,132 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:12,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:17:12,164 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-02-08 09:17:12,183 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 09:17:12,183 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:12,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:12,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:17:12,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:12,277 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:12,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:12,463 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:12,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009245822] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:12,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:12,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-02-08 09:17:12,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988555257] [2025-02-08 09:17:12,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:12,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:17:12,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:12,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:17:12,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:17:12,465 INFO L87 Difference]: Start difference. First operand 1518 states and 1682 transitions. Second operand has 17 states, 16 states have (on average 13.9375) internal successors, (223), 17 states have internal predecessors, (223), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-08 09:17:12,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:12,731 INFO L93 Difference]: Finished difference Result 2799 states and 3202 transitions. [2025-02-08 09:17:12,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:17:12,732 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 13.9375) internal successors, (223), 17 states have internal predecessors, (223), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 147 [2025-02-08 09:17:12,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:12,739 INFO L225 Difference]: With dead ends: 2799 [2025-02-08 09:17:12,740 INFO L226 Difference]: Without dead ends: 2798 [2025-02-08 09:17:12,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:17:12,741 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:12,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 183 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:12,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2025-02-08 09:17:12,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2798. [2025-02-08 09:17:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2617 states have (on average 1.0584638899503247) internal successors, (2770), 2619 states have internal predecessors, (2770), 176 states have call successors, (176), 2 states have call predecessors, (176), 2 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2025-02-08 09:17:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3122 transitions. [2025-02-08 09:17:12,837 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3122 transitions. Word has length 147 [2025-02-08 09:17:12,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:12,838 INFO L471 AbstractCegarLoop]: Abstraction has 2798 states and 3122 transitions. [2025-02-08 09:17:12,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 13.9375) internal successors, (223), 17 states have internal predecessors, (223), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-08 09:17:12,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3122 transitions. [2025-02-08 09:17:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-02-08 09:17:12,840 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:12,840 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:12,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:13,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-08 09:17:13,041 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:13,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1449066256, now seen corresponding path program 5 times [2025-02-08 09:17:13,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:13,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720884367] [2025-02-08 09:17:13,042 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:17:13,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:13,047 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 155 statements into 8 equivalence classes. [2025-02-08 09:17:13,062 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 155 of 155 statements. [2025-02-08 09:17:13,065 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-08 09:17:13,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 123 proven. 194 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:13,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720884367] [2025-02-08 09:17:13,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720884367] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:13,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942995359] [2025-02-08 09:17:13,181 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:17:13,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:13,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:13,185 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:13,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:17:13,208 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 155 statements into 8 equivalence classes. [2025-02-08 09:17:13,233 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 155 of 155 statements. [2025-02-08 09:17:13,234 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-08 09:17:13,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:13,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:17:13,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:13,402 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:13,402 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:17:13,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942995359] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:13,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:13,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2025-02-08 09:17:13,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102646240] [2025-02-08 09:17:13,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:13,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:17:13,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:13,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:17:13,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:17:13,578 INFO L87 Difference]: Start difference. First operand 2798 states and 3122 transitions. Second operand has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-08 09:17:13,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:13,954 INFO L93 Difference]: Finished difference Result 6157 states and 6882 transitions. [2025-02-08 09:17:13,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:17:13,955 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 155 [2025-02-08 09:17:13,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:13,964 INFO L225 Difference]: With dead ends: 6157 [2025-02-08 09:17:13,964 INFO L226 Difference]: Without dead ends: 4475 [2025-02-08 09:17:13,966 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 299 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:17:13,967 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 26 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:13,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 386 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:13,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4475 states. [2025-02-08 09:17:14,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4475 to 3136. [2025-02-08 09:17:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 2934 states have (on average 1.0541922290388548) internal successors, (3093), 2936 states have internal predecessors, (3093), 197 states have call successors, (197), 2 states have call predecessors, (197), 2 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2025-02-08 09:17:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 3487 transitions. [2025-02-08 09:17:14,099 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 3487 transitions. Word has length 155 [2025-02-08 09:17:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:14,100 INFO L471 AbstractCegarLoop]: Abstraction has 3136 states and 3487 transitions. [2025-02-08 09:17:14,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-08 09:17:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3487 transitions. [2025-02-08 09:17:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 09:17:14,101 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:14,101 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:14,109 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:17:14,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-08 09:17:14,306 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:14,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:14,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1290639776, now seen corresponding path program 6 times [2025-02-08 09:17:14,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:14,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766224687] [2025-02-08 09:17:14,307 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:17:14,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:14,315 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 175 statements into 9 equivalence classes. [2025-02-08 09:17:14,340 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:17:14,340 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-08 09:17:14,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:14,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141861652] [2025-02-08 09:17:14,344 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:17:14,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:14,350 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:14,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:17:14,394 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 175 statements into 9 equivalence classes. [2025-02-08 09:17:14,424 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 155 of 175 statements. [2025-02-08 09:17:14,424 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-02-08 09:17:14,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:14,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:17:14,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:14,865 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 6 proven. 399 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:17:14,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:15,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:15,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766224687] [2025-02-08 09:17:15,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:15,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141861652] [2025-02-08 09:17:15,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141861652] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:15,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:15,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-08 09:17:15,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932546310] [2025-02-08 09:17:15,023 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:15,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:17:15,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:15,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:17:15,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:17:15,025 INFO L87 Difference]: Start difference. First operand 3136 states and 3487 transitions. Second operand has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:17:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:15,467 INFO L93 Difference]: Finished difference Result 3637 states and 4044 transitions. [2025-02-08 09:17:15,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:17:15,467 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 175 [2025-02-08 09:17:15,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:15,475 INFO L225 Difference]: With dead ends: 3637 [2025-02-08 09:17:15,475 INFO L226 Difference]: Without dead ends: 3636 [2025-02-08 09:17:15,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:17:15,477 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 26 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:15,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 385 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:15,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3636 states. [2025-02-08 09:17:15,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3636 to 3357. [2025-02-08 09:17:15,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 3142 states have (on average 1.0544239338001273) internal successors, (3313), 3144 states have internal predecessors, (3313), 210 states have call successors, (210), 2 states have call predecessors, (210), 2 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2025-02-08 09:17:15,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 3733 transitions. [2025-02-08 09:17:15,595 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 3733 transitions. Word has length 175 [2025-02-08 09:17:15,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:15,596 INFO L471 AbstractCegarLoop]: Abstraction has 3357 states and 3733 transitions. [2025-02-08 09:17:15,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:17:15,596 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 3733 transitions. [2025-02-08 09:17:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 09:17:15,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:15,600 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:15,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:17:15,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:17:15,804 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:15,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1150075742, now seen corresponding path program 7 times [2025-02-08 09:17:15,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:15,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264584453] [2025-02-08 09:17:15,805 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:17:15,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:15,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:17:15,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:17:15,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:15,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:15,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227099403] [2025-02-08 09:17:15,821 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:17:15,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:15,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:15,829 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:15,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:17:15,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:17:15,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:17:15,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:15,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:15,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-02-08 09:17:15,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:17,780 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-02-08 09:17:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 21 proven. 427 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-02-08 09:17:17,880 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:18,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:18,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264584453] [2025-02-08 09:17:18,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:18,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227099403] [2025-02-08 09:17:18,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227099403] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:18,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:18,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2025-02-08 09:17:18,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916515764] [2025-02-08 09:17:18,316 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:18,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-02-08 09:17:18,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:18,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-02-08 09:17:18,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1384, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:17:18,317 INFO L87 Difference]: Start difference. First operand 3357 states and 3733 transitions. Second operand has 35 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:17:20,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:20,066 INFO L93 Difference]: Finished difference Result 5522 states and 6145 transitions. [2025-02-08 09:17:20,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-08 09:17:20,066 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 175 [2025-02-08 09:17:20,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:20,075 INFO L225 Difference]: With dead ends: 5522 [2025-02-08 09:17:20,075 INFO L226 Difference]: Without dead ends: 3665 [2025-02-08 09:17:20,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=355, Invalid=2507, Unknown=0, NotChecked=0, Total=2862 [2025-02-08 09:17:20,078 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 95 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 3532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:20,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 747 Invalid, 3532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 3521 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:17:20,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3665 states. [2025-02-08 09:17:20,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3665 to 3421. [2025-02-08 09:17:20,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 3202 states have (on average 1.0534041224234854) internal successors, (3373), 3204 states have internal predecessors, (3373), 214 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2025-02-08 09:17:20,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 3801 transitions. [2025-02-08 09:17:20,186 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 3801 transitions. Word has length 175 [2025-02-08 09:17:20,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:20,187 INFO L471 AbstractCegarLoop]: Abstraction has 3421 states and 3801 transitions. [2025-02-08 09:17:20,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:17:20,187 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 3801 transitions. [2025-02-08 09:17:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-08 09:17:20,189 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:20,190 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:20,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:17:20,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:17:20,394 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:20,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:20,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1019308222, now seen corresponding path program 2 times [2025-02-08 09:17:20,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:20,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502638627] [2025-02-08 09:17:20,395 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:20,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:20,401 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 190 statements into 2 equivalence classes. [2025-02-08 09:17:20,408 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 190 of 190 statements. [2025-02-08 09:17:20,408 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:20,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:20,533 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:17:20,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:20,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502638627] [2025-02-08 09:17:20,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502638627] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:20,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882284070] [2025-02-08 09:17:20,534 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:20,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:20,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:20,543 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:20,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:17:20,568 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 190 statements into 2 equivalence classes. [2025-02-08 09:17:20,594 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 190 of 190 statements. [2025-02-08 09:17:20,594 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:20,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:20,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:17:20,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:17:20,715 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:20,939 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:17:20,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882284070] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:20,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:20,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-02-08 09:17:20,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892141372] [2025-02-08 09:17:20,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:20,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:17:20,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:20,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:17:20,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:17:20,942 INFO L87 Difference]: Start difference. First operand 3421 states and 3801 transitions. Second operand has 21 states, 20 states have (on average 14.45) internal successors, (289), 21 states have internal predecessors, (289), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-08 09:17:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:21,287 INFO L93 Difference]: Finished difference Result 6790 states and 7571 transitions. [2025-02-08 09:17:21,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:17:21,288 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.45) internal successors, (289), 21 states have internal predecessors, (289), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 190 [2025-02-08 09:17:21,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:21,309 INFO L225 Difference]: With dead ends: 6790 [2025-02-08 09:17:21,309 INFO L226 Difference]: Without dead ends: 6789 [2025-02-08 09:17:21,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:17:21,311 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 224 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:21,311 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 318 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:21,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6789 states. [2025-02-08 09:17:21,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6771. [2025-02-08 09:17:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6771 states, 6342 states have (on average 1.0537685272784612) internal successors, (6683), 6344 states have internal predecessors, (6683), 424 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (424), 424 states have call predecessors, (424), 424 states have call successors, (424) [2025-02-08 09:17:21,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6771 states to 6771 states and 7531 transitions. [2025-02-08 09:17:21,547 INFO L78 Accepts]: Start accepts. Automaton has 6771 states and 7531 transitions. Word has length 190 [2025-02-08 09:17:21,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:21,550 INFO L471 AbstractCegarLoop]: Abstraction has 6771 states and 7531 transitions. [2025-02-08 09:17:21,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.45) internal successors, (289), 21 states have internal predecessors, (289), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-08 09:17:21,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6771 states and 7531 transitions. [2025-02-08 09:17:21,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-08 09:17:21,552 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:21,552 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:21,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:17:21,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:17:21,754 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:21,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:21,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1571983891, now seen corresponding path program 8 times [2025-02-08 09:17:21,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:21,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633705412] [2025-02-08 09:17:21,754 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:21,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:21,759 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-02-08 09:17:21,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:17:21,771 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:21,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:21,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [865314662] [2025-02-08 09:17:21,772 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:21,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:21,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:21,775 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:21,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:17:21,801 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-02-08 09:17:21,830 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:17:21,830 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:21,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:21,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:17:21,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2025-02-08 09:17:22,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:26,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:26,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633705412] [2025-02-08 09:17:26,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:26,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865314662] [2025-02-08 09:17:26,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865314662] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:26,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:26,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:17:26,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237591803] [2025-02-08 09:17:26,527 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:26,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:17:26,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:26,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:17:26,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=131, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:17:26,528 INFO L87 Difference]: Start difference. First operand 6771 states and 7531 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-08 09:17:26,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:26,871 INFO L93 Difference]: Finished difference Result 7255 states and 8066 transitions. [2025-02-08 09:17:26,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:17:26,871 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 195 [2025-02-08 09:17:26,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:26,882 INFO L225 Difference]: With dead ends: 7255 [2025-02-08 09:17:26,882 INFO L226 Difference]: Without dead ends: 7254 [2025-02-08 09:17:26,882 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=50, Invalid=131, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:17:26,883 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 20 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:26,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 309 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:17:26,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2025-02-08 09:17:27,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 7017. [2025-02-08 09:17:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7017 states, 6573 states have (on average 1.0535524113798873) internal successors, (6925), 6575 states have internal predecessors, (6925), 439 states have call successors, (439), 2 states have call predecessors, (439), 2 states have return successors, (439), 439 states have call predecessors, (439), 439 states have call successors, (439) [2025-02-08 09:17:27,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7017 states to 7017 states and 7803 transitions. [2025-02-08 09:17:27,101 INFO L78 Accepts]: Start accepts. Automaton has 7017 states and 7803 transitions. Word has length 195 [2025-02-08 09:17:27,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:27,101 INFO L471 AbstractCegarLoop]: Abstraction has 7017 states and 7803 transitions. [2025-02-08 09:17:27,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-08 09:17:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 7017 states and 7803 transitions. [2025-02-08 09:17:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-08 09:17:27,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:27,103 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:27,111 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:17:27,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:27,304 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:27,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:27,305 INFO L85 PathProgramCache]: Analyzing trace with hash 640212300, now seen corresponding path program 9 times [2025-02-08 09:17:27,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:27,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111504865] [2025-02-08 09:17:27,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:27,309 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 10 equivalence classes. [2025-02-08 09:17:27,324 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:17:27,324 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-02-08 09:17:27,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:27,588 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 118 proven. 471 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-02-08 09:17:27,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:27,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111504865] [2025-02-08 09:17:27,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111504865] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:27,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125659366] [2025-02-08 09:17:27,589 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:27,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:27,591 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:27,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:17:27,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 10 equivalence classes. [2025-02-08 09:17:27,657 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 115 of 195 statements. [2025-02-08 09:17:27,657 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:17:27,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:27,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:17:27,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 403 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2025-02-08 09:17:27,946 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:28,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125659366] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:28,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:17:28,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 24 [2025-02-08 09:17:28,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60595940] [2025-02-08 09:17:28,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:28,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:17:28,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:28,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:17:28,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:17:28,116 INFO L87 Difference]: Start difference. First operand 7017 states and 7803 transitions. Second operand has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2025-02-08 09:17:30,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:30,555 INFO L93 Difference]: Finished difference Result 15652 states and 17437 transitions. [2025-02-08 09:17:30,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-02-08 09:17:30,556 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 195 [2025-02-08 09:17:30,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:30,573 INFO L225 Difference]: With dead ends: 15652 [2025-02-08 09:17:30,573 INFO L226 Difference]: Without dead ends: 11573 [2025-02-08 09:17:30,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2707 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=882, Invalid=8238, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 09:17:30,580 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 376 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 3794 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 3829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 3794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:30,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 719 Invalid, 3829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 3794 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:17:30,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11573 states. [2025-02-08 09:17:30,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11573 to 8369. [2025-02-08 09:17:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 7841 states have (on average 1.0471878586914933) internal successors, (8211), 7843 states have internal predecessors, (8211), 523 states have call successors, (523), 2 states have call predecessors, (523), 2 states have return successors, (523), 523 states have call predecessors, (523), 523 states have call successors, (523) [2025-02-08 09:17:30,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 9257 transitions. [2025-02-08 09:17:30,934 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 9257 transitions. Word has length 195 [2025-02-08 09:17:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:30,935 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 9257 transitions. [2025-02-08 09:17:30,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2025-02-08 09:17:30,935 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 9257 transitions. [2025-02-08 09:17:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-08 09:17:30,938 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:30,938 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:30,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:17:31,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:31,142 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:31,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash 552438685, now seen corresponding path program 10 times [2025-02-08 09:17:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530189452] [2025-02-08 09:17:31,143 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:17:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:31,148 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 215 statements into 2 equivalence classes. [2025-02-08 09:17:31,169 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:17:31,169 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:17:31,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:31,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432691859] [2025-02-08 09:17:31,170 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:17:31,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:31,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:31,172 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:31,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:17:31,198 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 215 statements into 2 equivalence classes. [2025-02-08 09:17:31,235 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:17:31,235 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:17:31,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:31,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-02-08 09:17:31,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 27 proven. 653 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-02-08 09:17:32,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:37,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530189452] [2025-02-08 09:17:37,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:37,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432691859] [2025-02-08 09:17:37,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432691859] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:37,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:37,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2025-02-08 09:17:37,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949592910] [2025-02-08 09:17:37,237 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:37,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-02-08 09:17:37,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:37,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-02-08 09:17:37,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1155, Unknown=1, NotChecked=0, Total=1406 [2025-02-08 09:17:37,239 INFO L87 Difference]: Start difference. First operand 8369 states and 9257 transitions. Second operand has 33 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:17:39,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:39,282 INFO L93 Difference]: Finished difference Result 8867 states and 9810 transitions. [2025-02-08 09:17:39,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-02-08 09:17:39,282 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 215 [2025-02-08 09:17:39,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:39,296 INFO L225 Difference]: With dead ends: 8867 [2025-02-08 09:17:39,296 INFO L226 Difference]: Without dead ends: 8866 [2025-02-08 09:17:39,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=981, Invalid=3988, Unknown=1, NotChecked=0, Total=4970 [2025-02-08 09:17:39,299 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 191 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:39,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 272 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:17:39,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2025-02-08 09:17:39,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8369. [2025-02-08 09:17:39,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 7841 states have (on average 1.0470603239382732) internal successors, (8210), 7843 states have internal predecessors, (8210), 523 states have call successors, (523), 2 states have call predecessors, (523), 2 states have return successors, (523), 523 states have call predecessors, (523), 523 states have call successors, (523) [2025-02-08 09:17:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 9256 transitions. [2025-02-08 09:17:39,609 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 9256 transitions. Word has length 215 [2025-02-08 09:17:39,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:39,609 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 9256 transitions. [2025-02-08 09:17:39,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:17:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 9256 transitions. [2025-02-08 09:17:39,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-08 09:17:39,611 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:39,611 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:39,619 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:17:39,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:39,812 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:39,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:39,812 INFO L85 PathProgramCache]: Analyzing trace with hash 830921146, now seen corresponding path program 11 times [2025-02-08 09:17:39,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:39,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114891448] [2025-02-08 09:17:39,813 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:17:39,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:39,817 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 215 statements into 11 equivalence classes. [2025-02-08 09:17:39,831 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:17:39,831 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-02-08 09:17:39,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:39,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34527458] [2025-02-08 09:17:39,831 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:17:39,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:39,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:39,840 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:39,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:17:39,864 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 215 statements into 11 equivalence classes. [2025-02-08 09:17:39,903 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:17:39,903 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-02-08 09:17:39,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:39,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-02-08 09:17:39,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:41,560 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-08 09:17:42,036 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-02-08 09:17:42,439 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-02-08 09:17:42,916 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2025-02-08 09:17:42,951 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2025-02-08 09:17:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 15 proven. 701 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-02-08 09:17:43,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:43,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:43,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114891448] [2025-02-08 09:17:43,587 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:43,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34527458] [2025-02-08 09:17:43,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34527458] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:43,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:43,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2025-02-08 09:17:43,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921290215] [2025-02-08 09:17:43,587 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:43,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-02-08 09:17:43,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:43,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-02-08 09:17:43,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1742, Unknown=0, NotChecked=0, Total=1980 [2025-02-08 09:17:43,588 INFO L87 Difference]: Start difference. First operand 8369 states and 9256 transitions. Second operand has 41 states, 39 states have (on average 4.282051282051282) internal successors, (167), 39 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:17:46,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:46,122 INFO L93 Difference]: Finished difference Result 12922 states and 14317 transitions. [2025-02-08 09:17:46,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-02-08 09:17:46,130 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 4.282051282051282) internal successors, (167), 39 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 215 [2025-02-08 09:17:46,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:46,153 INFO L225 Difference]: With dead ends: 12922 [2025-02-08 09:17:46,153 INFO L226 Difference]: Without dead ends: 8691 [2025-02-08 09:17:46,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=462, Invalid=3198, Unknown=0, NotChecked=0, Total=3660 [2025-02-08 09:17:46,167 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 76 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:46,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 832 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 09:17:46,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8691 states. [2025-02-08 09:17:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8691 to 8456. [2025-02-08 09:17:46,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8456 states, 7923 states have (on average 1.0465732677016282) internal successors, (8292), 7925 states have internal predecessors, (8292), 528 states have call successors, (528), 2 states have call predecessors, (528), 2 states have return successors, (528), 528 states have call predecessors, (528), 528 states have call successors, (528) [2025-02-08 09:17:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8456 states to 8456 states and 9348 transitions. [2025-02-08 09:17:46,495 INFO L78 Accepts]: Start accepts. Automaton has 8456 states and 9348 transitions. Word has length 215 [2025-02-08 09:17:46,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:46,495 INFO L471 AbstractCegarLoop]: Abstraction has 8456 states and 9348 transitions. [2025-02-08 09:17:46,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 4.282051282051282) internal successors, (167), 39 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:17:46,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8456 states and 9348 transitions. [2025-02-08 09:17:46,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 09:17:46,498 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:46,498 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:46,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-08 09:17:46,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-08 09:17:46,703 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:46,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:46,704 INFO L85 PathProgramCache]: Analyzing trace with hash 361641355, now seen corresponding path program 12 times [2025-02-08 09:17:46,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:46,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659384720] [2025-02-08 09:17:46,704 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:17:46,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:46,711 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 235 statements into 12 equivalence classes. [2025-02-08 09:17:46,727 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 175 of 235 statements. [2025-02-08 09:17:46,727 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-08 09:17:46,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 89 proven. 494 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2025-02-08 09:17:46,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:46,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659384720] [2025-02-08 09:17:46,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659384720] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:46,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004910762] [2025-02-08 09:17:46,836 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:17:46,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:46,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:46,838 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:46,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:17:46,862 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 235 statements into 12 equivalence classes. [2025-02-08 09:17:46,891 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 175 of 235 statements. [2025-02-08 09:17:46,891 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-08 09:17:46,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:46,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:17:46,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:47,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 335 proven. 248 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2025-02-08 09:17:47,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 89 proven. 494 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2025-02-08 09:17:47,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004910762] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:47,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:47,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-08 09:17:47,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775269249] [2025-02-08 09:17:47,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:47,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:17:47,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:47,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:17:47,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:17:47,317 INFO L87 Difference]: Start difference. First operand 8456 states and 9348 transitions. Second operand has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2025-02-08 09:17:47,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:47,850 INFO L93 Difference]: Finished difference Result 16820 states and 18666 transitions. [2025-02-08 09:17:47,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:17:47,850 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 235 [2025-02-08 09:17:47,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:47,871 INFO L225 Difference]: With dead ends: 16820 [2025-02-08 09:17:47,871 INFO L226 Difference]: Without dead ends: 11542 [2025-02-08 09:17:47,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 460 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:17:47,876 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 12 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:47,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 190 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11542 states. [2025-02-08 09:17:48,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11542 to 8260. [2025-02-08 09:17:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 7738 states have (on average 1.0460067200827088) internal successors, (8094), 7740 states have internal predecessors, (8094), 517 states have call successors, (517), 2 states have call predecessors, (517), 2 states have return successors, (517), 517 states have call predecessors, (517), 517 states have call successors, (517) [2025-02-08 09:17:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 9128 transitions. [2025-02-08 09:17:48,184 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 9128 transitions. Word has length 235 [2025-02-08 09:17:48,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:48,185 INFO L471 AbstractCegarLoop]: Abstraction has 8260 states and 9128 transitions. [2025-02-08 09:17:48,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2025-02-08 09:17:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 9128 transitions. [2025-02-08 09:17:48,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 09:17:48,187 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:48,187 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:48,193 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:48,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:17:48,388 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:48,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:48,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1472336472, now seen corresponding path program 13 times [2025-02-08 09:17:48,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:48,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345597601] [2025-02-08 09:17:48,389 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:17:48,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:48,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 09:17:48,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 09:17:48,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:48,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:48,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 203 proven. 638 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 09:17:48,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:48,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345597601] [2025-02-08 09:17:48,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345597601] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:48,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864671233] [2025-02-08 09:17:48,565 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:17:48,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:48,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:48,568 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:48,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:17:48,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 09:17:48,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 09:17:48,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:48,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:48,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:17:48,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:48,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 09:17:48,933 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 09:17:49,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864671233] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:49,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:17:49,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2025-02-08 09:17:49,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143954467] [2025-02-08 09:17:49,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:49,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:17:49,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:49,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:17:49,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:17:49,213 INFO L87 Difference]: Start difference. First operand 8260 states and 9128 transitions. Second operand has 21 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2025-02-08 09:17:50,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:50,218 INFO L93 Difference]: Finished difference Result 16645 states and 18452 transitions. [2025-02-08 09:17:50,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:17:50,219 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) Word has length 235 [2025-02-08 09:17:50,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:50,236 INFO L225 Difference]: With dead ends: 16645 [2025-02-08 09:17:50,237 INFO L226 Difference]: Without dead ends: 12566 [2025-02-08 09:17:50,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 452 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:17:50,245 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 28 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:50,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 566 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:17:50,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12566 states. [2025-02-08 09:17:50,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12566 to 9702. [2025-02-08 09:17:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9702 states, 9090 states have (on average 1.0409240924092409) internal successors, (9462), 9092 states have internal predecessors, (9462), 607 states have call successors, (607), 2 states have call predecessors, (607), 2 states have return successors, (607), 607 states have call predecessors, (607), 607 states have call successors, (607) [2025-02-08 09:17:50,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9702 states to 9702 states and 10676 transitions. [2025-02-08 09:17:50,667 INFO L78 Accepts]: Start accepts. Automaton has 9702 states and 10676 transitions. Word has length 235 [2025-02-08 09:17:50,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:50,668 INFO L471 AbstractCegarLoop]: Abstraction has 9702 states and 10676 transitions. [2025-02-08 09:17:50,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2025-02-08 09:17:50,668 INFO L276 IsEmpty]: Start isEmpty. Operand 9702 states and 10676 transitions. [2025-02-08 09:17:50,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:17:50,671 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:50,671 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:50,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:50,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:17:50,872 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:50,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:50,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1934426982, now seen corresponding path program 14 times [2025-02-08 09:17:50,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:50,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923429127] [2025-02-08 09:17:50,873 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:50,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:50,878 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:17:50,890 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:17:50,891 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:50,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:50,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2072517288] [2025-02-08 09:17:50,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:17:50,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:50,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:50,894 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:50,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:17:50,930 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:17:50,963 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:17:50,963 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:17:50,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:50,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:17:50,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:51,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-02-08 09:17:51,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:55,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923429127] [2025-02-08 09:17:55,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2072517288] [2025-02-08 09:17:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2072517288] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:55,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:55,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:17:55,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571498833] [2025-02-08 09:17:55,877 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:55,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:17:55,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:55,877 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:17:55,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=252, Unknown=1, NotChecked=0, Total=342 [2025-02-08 09:17:55,878 INFO L87 Difference]: Start difference. First operand 9702 states and 10676 transitions. Second operand has 11 states, 10 states have (on average 14.1) internal successors, (141), 11 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-08 09:17:56,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:56,602 INFO L93 Difference]: Finished difference Result 10535 states and 11560 transitions. [2025-02-08 09:17:56,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:17:56,602 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.1) internal successors, (141), 11 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 255 [2025-02-08 09:17:56,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:56,613 INFO L225 Difference]: With dead ends: 10535 [2025-02-08 09:17:56,613 INFO L226 Difference]: Without dead ends: 10534 [2025-02-08 09:17:56,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=89, Invalid=252, Unknown=1, NotChecked=0, Total=342 [2025-02-08 09:17:56,615 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 21 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:56,615 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 747 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10534 states. [2025-02-08 09:17:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10534 to 9702. [2025-02-08 09:17:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9702 states, 9090 states have (on average 1.0408140814081408) internal successors, (9461), 9092 states have internal predecessors, (9461), 607 states have call successors, (607), 2 states have call predecessors, (607), 2 states have return successors, (607), 607 states have call predecessors, (607), 607 states have call successors, (607) [2025-02-08 09:17:56,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9702 states to 9702 states and 10675 transitions. [2025-02-08 09:17:56,985 INFO L78 Accepts]: Start accepts. Automaton has 9702 states and 10675 transitions. Word has length 255 [2025-02-08 09:17:56,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:56,985 INFO L471 AbstractCegarLoop]: Abstraction has 9702 states and 10675 transitions. [2025-02-08 09:17:56,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.1) internal successors, (141), 11 states have internal predecessors, (141), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-08 09:17:56,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9702 states and 10675 transitions. [2025-02-08 09:17:56,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:17:56,988 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:56,988 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:17:56,994 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-08 09:17:57,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:57,194 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:17:57,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:57,195 INFO L85 PathProgramCache]: Analyzing trace with hash -122073000, now seen corresponding path program 15 times [2025-02-08 09:17:57,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:57,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656428979] [2025-02-08 09:17:57,195 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:57,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:57,201 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:17:57,225 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:17:57,225 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-08 09:17:57,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:57,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [643125878] [2025-02-08 09:17:57,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:17:57,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:57,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:57,230 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:17:57,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:17:57,264 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:17:57,284 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 95 of 255 statements. [2025-02-08 09:17:57,284 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-08 09:17:57,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:57,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 09:17:57,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 492 proven. 71 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2025-02-08 09:17:58,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:58,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:58,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656428979] [2025-02-08 09:17:58,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:58,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643125878] [2025-02-08 09:17:58,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643125878] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:58,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:58,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-02-08 09:17:58,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613838643] [2025-02-08 09:17:58,338 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:58,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:17:58,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:58,339 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:17:58,339 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:17:58,339 INFO L87 Difference]: Start difference. First operand 9702 states and 10675 transitions. Second operand has 19 states, 18 states have (on average 5.0) internal successors, (90), 19 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-08 09:17:59,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:59,687 INFO L93 Difference]: Finished difference Result 15999 states and 17604 transitions. [2025-02-08 09:17:59,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-08 09:17:59,687 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.0) internal successors, (90), 19 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) Word has length 255 [2025-02-08 09:17:59,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:59,697 INFO L225 Difference]: With dead ends: 15999 [2025-02-08 09:17:59,697 INFO L226 Difference]: Without dead ends: 8227 [2025-02-08 09:17:59,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=207, Invalid=1199, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:17:59,705 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 66 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:59,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 253 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:17:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8227 states. [2025-02-08 09:18:00,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8227 to 8225. [2025-02-08 09:18:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.040368639667705) internal successors, (8015), 7706 states have internal predecessors, (8015), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:18:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9047 transitions. [2025-02-08 09:18:00,101 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9047 transitions. Word has length 255 [2025-02-08 09:18:00,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:00,102 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9047 transitions. [2025-02-08 09:18:00,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.0) internal successors, (90), 19 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-08 09:18:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9047 transitions. [2025-02-08 09:18:00,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:18:00,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:00,103 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:00,110 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:00,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:18:00,308 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:18:00,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:00,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1796761033, now seen corresponding path program 16 times [2025-02-08 09:18:00,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:00,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913804541] [2025-02-08 09:18:00,308 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:18:00,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:00,313 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:18:00,327 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:18:00,327 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:18:00,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:00,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2042833242] [2025-02-08 09:18:00,328 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:18:00,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:00,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:00,332 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:00,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:18:00,358 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:18:00,396 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:18:00,396 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:18:00,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:00,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-02-08 09:18:00,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 75 proven. 945 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-02-08 09:18:02,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:02,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:02,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913804541] [2025-02-08 09:18:02,902 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:02,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042833242] [2025-02-08 09:18:02,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042833242] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:02,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:02,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2025-02-08 09:18:02,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990331934] [2025-02-08 09:18:02,904 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:02,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-02-08 09:18:02,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:02,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-02-08 09:18:02,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1498, Unknown=0, NotChecked=0, Total=1722 [2025-02-08 09:18:02,906 INFO L87 Difference]: Start difference. First operand 8225 states and 9047 transitions. Second operand has 39 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 14 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:18:05,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:05,330 INFO L93 Difference]: Finished difference Result 8582 states and 9435 transitions. [2025-02-08 09:18:05,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-02-08 09:18:05,331 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 14 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) Word has length 255 [2025-02-08 09:18:05,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:05,344 INFO L225 Difference]: With dead ends: 8582 [2025-02-08 09:18:05,344 INFO L226 Difference]: Without dead ends: 8581 [2025-02-08 09:18:05,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=632, Invalid=3400, Unknown=0, NotChecked=0, Total=4032 [2025-02-08 09:18:05,348 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 105 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 2788 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:05,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 604 Invalid, 2805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2788 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:18:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8581 states. [2025-02-08 09:18:05,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8581 to 8225. [2025-02-08 09:18:05,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.0402388369678088) internal successors, (8014), 7706 states have internal predecessors, (8014), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:18:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9046 transitions. [2025-02-08 09:18:05,717 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9046 transitions. Word has length 255 [2025-02-08 09:18:05,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:05,717 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9046 transitions. [2025-02-08 09:18:05,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 14 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:18:05,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9046 transitions. [2025-02-08 09:18:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:18:05,719 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:05,719 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:05,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-08 09:18:05,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:18:05,924 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:18:05,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:05,925 INFO L85 PathProgramCache]: Analyzing trace with hash -311679978, now seen corresponding path program 17 times [2025-02-08 09:18:05,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:05,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18946144] [2025-02-08 09:18:05,925 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:18:05,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:05,932 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:18:05,944 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:18:05,944 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-08 09:18:05,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:05,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1739705111] [2025-02-08 09:18:05,945 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:18:05,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:05,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:05,950 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:05,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:18:05,975 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:18:06,026 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:18:06,026 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-08 09:18:06,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:06,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-02-08 09:18:06,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 309 proven. 706 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2025-02-08 09:18:07,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:07,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:07,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18946144] [2025-02-08 09:18:07,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:07,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739705111] [2025-02-08 09:18:07,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739705111] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:07,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:07,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2025-02-08 09:18:07,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352399882] [2025-02-08 09:18:07,679 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:07,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-02-08 09:18:07,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:07,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-02-08 09:18:07,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=1304, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:18:07,681 INFO L87 Difference]: Start difference. First operand 8225 states and 9046 transitions. Second operand has 36 states, 35 states have (on average 5.542857142857143) internal successors, (194), 35 states have internal predecessors, (194), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:18:10,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:10,250 INFO L93 Difference]: Finished difference Result 14277 states and 15705 transitions. [2025-02-08 09:18:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-02-08 09:18:10,251 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.542857142857143) internal successors, (194), 35 states have internal predecessors, (194), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) Word has length 255 [2025-02-08 09:18:10,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:10,261 INFO L225 Difference]: With dead ends: 14277 [2025-02-08 09:18:10,261 INFO L226 Difference]: Without dead ends: 8667 [2025-02-08 09:18:10,269 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2143 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1101, Invalid=6209, Unknown=0, NotChecked=0, Total=7310 [2025-02-08 09:18:10,272 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 232 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 3719 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 3740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:10,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 758 Invalid, 3740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3719 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:18:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8667 states. [2025-02-08 09:18:10,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8667 to 8593. [2025-02-08 09:18:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8593 states, 8049 states have (on average 1.0385141011305752) internal successors, (8359), 8051 states have internal predecessors, (8359), 539 states have call successors, (539), 2 states have call predecessors, (539), 2 states have return successors, (539), 539 states have call predecessors, (539), 539 states have call successors, (539) [2025-02-08 09:18:10,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8593 states to 8593 states and 9437 transitions. [2025-02-08 09:18:10,732 INFO L78 Accepts]: Start accepts. Automaton has 8593 states and 9437 transitions. Word has length 255 [2025-02-08 09:18:10,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:10,733 INFO L471 AbstractCegarLoop]: Abstraction has 8593 states and 9437 transitions. [2025-02-08 09:18:10,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.542857142857143) internal successors, (194), 35 states have internal predecessors, (194), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:18:10,733 INFO L276 IsEmpty]: Start isEmpty. Operand 8593 states and 9437 transitions. [2025-02-08 09:18:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-02-08 09:18:10,735 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:10,736 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:10,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-08 09:18:10,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:18:10,937 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:18:10,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:10,937 INFO L85 PathProgramCache]: Analyzing trace with hash 2099042180, now seen corresponding path program 18 times [2025-02-08 09:18:10,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:10,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461455577] [2025-02-08 09:18:10,937 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:18:10,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:10,942 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 275 statements into 14 equivalence classes. [2025-02-08 09:18:10,964 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 275 of 275 statements. [2025-02-08 09:18:10,964 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-02-08 09:18:10,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:11,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:18:11,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:11,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461455577] [2025-02-08 09:18:11,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461455577] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:11,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [853809812] [2025-02-08 09:18:11,219 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:18:11,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:11,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:11,223 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:11,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-08 09:18:11,248 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 275 statements into 14 equivalence classes. [2025-02-08 09:18:11,334 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 235 of 275 statements. [2025-02-08 09:18:11,335 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-02-08 09:18:11,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:11,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 09:18:11,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:12,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 887 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2025-02-08 09:18:12,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:12,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [853809812] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:12,370 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:18:12,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 30 [2025-02-08 09:18:12,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134089901] [2025-02-08 09:18:12,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:12,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-08 09:18:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:12,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-08 09:18:12,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:18:12,372 INFO L87 Difference]: Start difference. First operand 8593 states and 9437 transitions. Second operand has 30 states, 30 states have (on average 10.666666666666666) internal successors, (320), 30 states have internal predecessors, (320), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-08 09:18:13,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:13,976 INFO L93 Difference]: Finished difference Result 16875 states and 18617 transitions. [2025-02-08 09:18:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-08 09:18:13,977 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 10.666666666666666) internal successors, (320), 30 states have internal predecessors, (320), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 275 [2025-02-08 09:18:13,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:13,989 INFO L225 Difference]: With dead ends: 16875 [2025-02-08 09:18:13,989 INFO L226 Difference]: Without dead ends: 12564 [2025-02-08 09:18:13,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=1673, Unknown=0, NotChecked=0, Total=1980 [2025-02-08 09:18:13,994 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 116 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 2502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:13,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 1004 Invalid, 2502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:18:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12564 states. [2025-02-08 09:18:14,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12564 to 9859. [2025-02-08 09:18:14,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9859 states, 9236 states have (on average 1.0372455608488522) internal successors, (9580), 9238 states have internal predecessors, (9580), 618 states have call successors, (618), 2 states have call predecessors, (618), 2 states have return successors, (618), 618 states have call predecessors, (618), 618 states have call successors, (618) [2025-02-08 09:18:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9859 states to 9859 states and 10816 transitions. [2025-02-08 09:18:14,406 INFO L78 Accepts]: Start accepts. Automaton has 9859 states and 10816 transitions. Word has length 275 [2025-02-08 09:18:14,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:14,406 INFO L471 AbstractCegarLoop]: Abstraction has 9859 states and 10816 transitions. [2025-02-08 09:18:14,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.666666666666666) internal successors, (320), 30 states have internal predecessors, (320), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-08 09:18:14,407 INFO L276 IsEmpty]: Start isEmpty. Operand 9859 states and 10816 transitions. [2025-02-08 09:18:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-02-08 09:18:14,408 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:14,408 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:14,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-08 09:18:14,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:14,613 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:18:14,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:14,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1053019644, now seen corresponding path program 19 times [2025-02-08 09:18:14,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:14,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418509227] [2025-02-08 09:18:14,614 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:18:14,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:14,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-08 09:18:14,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-08 09:18:14,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:14,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:14,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 287 proven. 912 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:18:14,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:14,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418509227] [2025-02-08 09:18:14,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418509227] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:14,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262473539] [2025-02-08 09:18:14,961 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:18:14,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:14,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:14,963 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:14,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-08 09:18:14,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-08 09:18:15,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-08 09:18:15,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:15,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:15,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:18:15,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:18:15,351 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:18:15,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262473539] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:18:15,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:18:15,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 24 [2025-02-08 09:18:15,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134324179] [2025-02-08 09:18:15,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:15,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:18:15,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:15,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:18:15,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:18:15,639 INFO L87 Difference]: Start difference. First operand 9859 states and 10816 transitions. Second operand has 24 states, 24 states have (on average 13.541666666666666) internal successors, (325), 24 states have internal predecessors, (325), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2025-02-08 09:18:16,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:16,364 INFO L93 Difference]: Finished difference Result 10011 states and 10972 transitions. [2025-02-08 09:18:16,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:18:16,364 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.541666666666666) internal successors, (325), 24 states have internal predecessors, (325), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) Word has length 275 [2025-02-08 09:18:16,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:16,373 INFO L225 Difference]: With dead ends: 10011 [2025-02-08 09:18:16,373 INFO L226 Difference]: Without dead ends: 8227 [2025-02-08 09:18:16,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 529 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:18:16,377 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 30 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:16,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 603 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:18:16,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8227 states. [2025-02-08 09:18:16,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8227 to 8225. [2025-02-08 09:18:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.037772585669782) internal successors, (7995), 7706 states have internal predecessors, (7995), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:18:16,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9027 transitions. [2025-02-08 09:18:16,739 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9027 transitions. Word has length 275 [2025-02-08 09:18:16,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:16,739 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9027 transitions. [2025-02-08 09:18:16,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.541666666666666) internal successors, (325), 24 states have internal predecessors, (325), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2025-02-08 09:18:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9027 transitions. [2025-02-08 09:18:16,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2025-02-08 09:18:16,741 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:16,741 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:18:16,747 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:18:16,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-08 09:18:16,943 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:18:16,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:16,943 INFO L85 PathProgramCache]: Analyzing trace with hash 479390871, now seen corresponding path program 20 times [2025-02-08 09:18:16,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:16,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735788383] [2025-02-08 09:18:16,943 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:18:16,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:16,951 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 295 statements into 2 equivalence classes. [2025-02-08 09:18:16,968 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-02-08 09:18:16,968 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:18:16,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:16,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [838207112] [2025-02-08 09:18:16,969 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:18:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:16,974 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:18:16,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-08 09:18:17,000 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 295 statements into 2 equivalence classes. [2025-02-08 09:18:17,047 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-02-08 09:18:17,047 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:18:17,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:17,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:18:17,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:17,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-02-08 09:18:17,554 INFO L312 TraceCheckSpWp]: Computing backward predicates...