./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/sum01_bug02.i --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/loops/sum01_bug02.i -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 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:10:47,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:10:47,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:10:47,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:10:47,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:10:47,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:10:47,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:10:47,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:10:47,506 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:10:47,507 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:10:47,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:10:47,507 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:10:47,508 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:10:47,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:10:47,508 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:10:47,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:10:47,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:10:47,509 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:10:47,510 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:10:47,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:10:47,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:10:47,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:10:47,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:10:47,510 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:10:47,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:10:47,511 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 -> 29d100da65e2ae9d5c43d48b49216d155078158e341858baee0b08b697e15c8e [2025-02-08 09:10:47,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:10:47,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:10:47,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:10:47,783 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:10:47,786 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:10:47,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01_bug02.i [2025-02-08 09:10:48,953 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d5d4ee4a/ea4cc0cba0b9427e9edf0f940207aea2/FLAG718f92880 [2025-02-08 09:10:49,171 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:10:49,173 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/sum01_bug02.i [2025-02-08 09:10:49,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d5d4ee4a/ea4cc0cba0b9427e9edf0f940207aea2/FLAG718f92880 [2025-02-08 09:10:49,545 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2d5d4ee4a/ea4cc0cba0b9427e9edf0f940207aea2 [2025-02-08 09:10:49,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:10:49,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:10:49,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:10:49,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:10:49,552 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:10:49,553 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58fea301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49, skipping insertion in model container [2025-02-08 09:10:49,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:10:49,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:10:49,800 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:10:49,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:10:49,820 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:10:49,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49 WrapperNode [2025-02-08 09:10:49,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:10:49,822 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:10:49,822 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:10:49,822 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:10:49,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,839 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2025-02-08 09:10:49,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:10:49,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:10:49,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:10:49,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:10:49,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,856 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 09:10:49,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,862 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:10:49,867 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:10:49,867 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:10:49,867 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:10:49,868 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (1/1) ... [2025-02-08 09:10:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:10:49,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:49,898 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 09:10:49,901 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 09:10:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:10:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:10:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:10:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:10:49,956 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:10:49,957 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:10:50,063 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-02-08 09:10:50,064 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:10:50,071 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:10:50,071 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:10:50,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:10:50 BoogieIcfgContainer [2025-02-08 09:10:50,072 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:10:50,075 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:10:50,075 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:10:50,078 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:10:50,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:10:49" (1/3) ... [2025-02-08 09:10:50,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d7a7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:10:50, skipping insertion in model container [2025-02-08 09:10:50,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:10:49" (2/3) ... [2025-02-08 09:10:50,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d7a7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:10:50, skipping insertion in model container [2025-02-08 09:10:50,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:10:50" (3/3) ... [2025-02-08 09:10:50,080 INFO L128 eAbstractionObserver]: Analyzing ICFG sum01_bug02.i [2025-02-08 09:10:50,090 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:10:50,091 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum01_bug02.i that has 1 procedures, 28 locations, 1 initial locations, 1 loop locations, and 8 error locations. [2025-02-08 09:10:50,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:10:50,139 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;@6a34ac5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:10:50,139 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 09:10:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 09:10:50,146 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,146 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 09:10:50,146 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1907439, now seen corresponding path program 1 times [2025-02-08 09:10:50,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121698408] [2025-02-08 09:10:50,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 09:10:50,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 09:10:50,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121698408] [2025-02-08 09:10:50,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121698408] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:10:50,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701261390] [2025-02-08 09:10:50,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:10:50,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:10:50,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:50,303 INFO L87 Difference]: Start difference. First operand has 28 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,323 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2025-02-08 09:10:50,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:10:50,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 09:10:50,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,328 INFO L225 Difference]: With dead ends: 31 [2025-02-08 09:10:50,328 INFO L226 Difference]: Without dead ends: 20 [2025-02-08 09:10:50,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:50,331 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-02-08 09:10:50,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-02-08 09:10:50,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2025-02-08 09:10:50,350 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 4 [2025-02-08 09:10:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,350 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2025-02-08 09:10:50,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,351 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2025-02-08 09:10:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:10:50,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,351 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:10:50,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:10:50,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,352 INFO L85 PathProgramCache]: Analyzing trace with hash 59130104, now seen corresponding path program 1 times [2025-02-08 09:10:50,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147125800] [2025-02-08 09:10:50,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:10:50,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:10:50,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147125800] [2025-02-08 09:10:50,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147125800] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:10:50,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022505800] [2025-02-08 09:10:50,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:10:50,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:10:50,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:50,384 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,390 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2025-02-08 09:10:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:10:50,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:10:50,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,391 INFO L225 Difference]: With dead ends: 20 [2025-02-08 09:10:50,391 INFO L226 Difference]: Without dead ends: 19 [2025-02-08 09:10:50,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:50,392 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,392 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 17 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-08 09:10:50,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-02-08 09:10:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2025-02-08 09:10:50,395 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 5 [2025-02-08 09:10:50,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,395 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2025-02-08 09:10:50,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,395 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2025-02-08 09:10:50,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:10:50,395 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,395 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:10:50,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:10:50,396 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,396 INFO L85 PathProgramCache]: Analyzing trace with hash 59130585, now seen corresponding path program 1 times [2025-02-08 09:10:50,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522326920] [2025-02-08 09:10:50,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:10:50,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:10:50,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522326920] [2025-02-08 09:10:50,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522326920] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:10:50,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494607843] [2025-02-08 09:10:50,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:10:50,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:10:50,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,436 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,462 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2025-02-08 09:10:50,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:10:50,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:10:50,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,463 INFO L225 Difference]: With dead ends: 32 [2025-02-08 09:10:50,463 INFO L226 Difference]: Without dead ends: 29 [2025-02-08 09:10:50,463 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,463 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 36 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-02-08 09:10:50,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2025-02-08 09:10:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2025-02-08 09:10:50,467 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 5 [2025-02-08 09:10:50,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,467 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2025-02-08 09:10:50,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2025-02-08 09:10:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:10:50,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,467 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:10:50,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:10:50,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1833033213, now seen corresponding path program 1 times [2025-02-08 09:10:50,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261332503] [2025-02-08 09:10:50,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:10:50,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:10:50,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261332503] [2025-02-08 09:10:50,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261332503] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:10:50,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415773972] [2025-02-08 09:10:50,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:10:50,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:10:50,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:50,496 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,505 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2025-02-08 09:10:50,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:10:50,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:10:50,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,506 INFO L225 Difference]: With dead ends: 37 [2025-02-08 09:10:50,506 INFO L226 Difference]: Without dead ends: 36 [2025-02-08 09:10:50,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:10:50,506 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 33 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-02-08 09:10:50,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 29. [2025-02-08 09:10:50,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.565217391304348) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2025-02-08 09:10:50,510 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 6 [2025-02-08 09:10:50,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,510 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2025-02-08 09:10:50,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,510 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2025-02-08 09:10:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:10:50,510 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,510 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:10:50,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:10:50,511 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1833034078, now seen corresponding path program 1 times [2025-02-08 09:10:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671578322] [2025-02-08 09:10:50,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:10:50,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:10:50,517 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671578322] [2025-02-08 09:10:50,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671578322] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:10:50,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889811206] [2025-02-08 09:10:50,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:10:50,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:10:50,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,554 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,576 INFO L93 Difference]: Finished difference Result 50 states and 59 transitions. [2025-02-08 09:10:50,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:10:50,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:10:50,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,576 INFO L225 Difference]: With dead ends: 50 [2025-02-08 09:10:50,577 INFO L226 Difference]: Without dead ends: 24 [2025-02-08 09:10:50,577 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 09:10:50,577 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 3 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 42 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-02-08 09:10:50,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2025-02-08 09:10:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 17 states have (on average 1.411764705882353) internal successors, (24), 22 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2025-02-08 09:10:50,580 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 6 [2025-02-08 09:10:50,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,580 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2025-02-08 09:10:50,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2025-02-08 09:10:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 09:10:50,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,581 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:10:50,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:10:50,581 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,581 INFO L85 PathProgramCache]: Analyzing trace with hash 608325947, now seen corresponding path program 1 times [2025-02-08 09:10:50,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299106458] [2025-02-08 09:10:50,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:10:50,589 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:10:50,589 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299106458] [2025-02-08 09:10:50,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299106458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:10:50,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489931480] [2025-02-08 09:10:50,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:10:50,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:10:50,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,618 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,640 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2025-02-08 09:10:50,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:10:50,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 09:10:50,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,641 INFO L225 Difference]: With dead ends: 27 [2025-02-08 09:10:50,641 INFO L226 Difference]: Without dead ends: 26 [2025-02-08 09:10:50,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,642 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 40 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2025-02-08 09:10:50,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2025-02-08 09:10:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.368421052631579) internal successors, (26), 24 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2025-02-08 09:10:50,645 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 8 [2025-02-08 09:10:50,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,645 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2025-02-08 09:10:50,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,645 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2025-02-08 09:10:50,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 09:10:50,646 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,646 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:10:50,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:10:50,646 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1678235157, now seen corresponding path program 1 times [2025-02-08 09:10:50,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053177450] [2025-02-08 09:10:50,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:10:50,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:10:50,654 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,654 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053177450] [2025-02-08 09:10:50,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053177450] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:10:50,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970827110] [2025-02-08 09:10:50,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:10:50,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:10:50,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,682 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,695 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2025-02-08 09:10:50,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:10:50,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 09:10:50,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,696 INFO L225 Difference]: With dead ends: 25 [2025-02-08 09:10:50,696 INFO L226 Difference]: Without dead ends: 24 [2025-02-08 09:10:50,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,698 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 25 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2025-02-08 09:10:50,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2025-02-08 09:10:50,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2025-02-08 09:10:50,702 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 9 [2025-02-08 09:10:50,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,703 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2025-02-08 09:10:50,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2025-02-08 09:10:50,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:10:50,703 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,703 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:10:50,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:10:50,705 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash 485682297, now seen corresponding path program 1 times [2025-02-08 09:10:50,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636920843] [2025-02-08 09:10:50,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:10:50,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:10:50,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636920843] [2025-02-08 09:10:50,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636920843] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:50,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:10:50,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:10:50,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004915293] [2025-02-08 09:10:50,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:50,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:10:50,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:50,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:10:50,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,763 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:50,787 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2025-02-08 09:10:50,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:10:50,787 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 09:10:50,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:50,788 INFO L225 Difference]: With dead ends: 29 [2025-02-08 09:10:50,788 INFO L226 Difference]: Without dead ends: 27 [2025-02-08 09:10:50,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:10:50,788 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:50,788 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:50,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-08 09:10:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2025-02-08 09:10:50,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2025-02-08 09:10:50,791 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 10 [2025-02-08 09:10:50,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:50,791 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2025-02-08 09:10:50,791 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2025-02-08 09:10:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:10:50,792 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:50,792 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:10:50,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:10:50,792 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:50,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:50,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1480384199, now seen corresponding path program 1 times [2025-02-08 09:10:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:50,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265588746] [2025-02-08 09:10:50,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:50,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:10:50,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:10:50,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265588746] [2025-02-08 09:10:50,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265588746] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:50,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642918496] [2025-02-08 09:10:50,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:50,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:50,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:50,861 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 09:10:50,865 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 09:10:50,888 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:10:50,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:10:50,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:50,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:50,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:10:50,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:50,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:50,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642918496] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:51,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:51,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 09:10:51,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911068639] [2025-02-08 09:10:51,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:51,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:10:51,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:51,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:10:51,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:10:51,002 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:51,083 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2025-02-08 09:10:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:10:51,083 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-02-08 09:10:51,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:51,084 INFO L225 Difference]: With dead ends: 38 [2025-02-08 09:10:51,084 INFO L226 Difference]: Without dead ends: 33 [2025-02-08 09:10:51,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:10:51,085 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 46 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:51,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 37 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:51,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2025-02-08 09:10:51,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 24. [2025-02-08 09:10:51,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 20 states have (on average 1.25) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2025-02-08 09:10:51,102 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 14 [2025-02-08 09:10:51,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:51,102 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2025-02-08 09:10:51,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2025-02-08 09:10:51,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:10:51,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:51,103 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:10:51,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:10:51,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:51,303 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:51,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:51,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1352745009, now seen corresponding path program 1 times [2025-02-08 09:10:51,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:51,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911754651] [2025-02-08 09:10:51,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:51,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:51,308 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:10:51,311 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:10:51,311 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:51,311 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:51,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911754651] [2025-02-08 09:10:51,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911754651] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:51,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214058202] [2025-02-08 09:10:51,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:51,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:51,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:51,333 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 09:10:51,335 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 09:10:51,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:10:51,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:10:51,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:51,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:51,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:10:51,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:51,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,378 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:51,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214058202] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:51,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:51,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2025-02-08 09:10:51,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033429420] [2025-02-08 09:10:51,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:51,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:10:51,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:51,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:10:51,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:10:51,403 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:51,417 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2025-02-08 09:10:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:10:51,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-08 09:10:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:51,418 INFO L225 Difference]: With dead ends: 61 [2025-02-08 09:10:51,419 INFO L226 Difference]: Without dead ends: 60 [2025-02-08 09:10:51,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:10:51,420 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:51,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 58 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:51,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-02-08 09:10:51,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2025-02-08 09:10:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 50 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2025-02-08 09:10:51,424 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 15 [2025-02-08 09:10:51,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:51,424 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2025-02-08 09:10:51,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,424 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2025-02-08 09:10:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:10:51,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:51,425 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:10:51,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:10:51,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:51,629 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:51,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:51,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1352744144, now seen corresponding path program 1 times [2025-02-08 09:10:51,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:51,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712709541] [2025-02-08 09:10:51,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:51,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:51,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:10:51,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:10:51,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:51,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:51,683 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:51,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712709541] [2025-02-08 09:10:51,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712709541] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:51,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2112994825] [2025-02-08 09:10:51,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:51,689 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 09:10:51,692 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 09:10:51,713 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:10:51,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:10:51,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:51,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:51,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:10:51,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:51,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:51,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:51,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2112994825] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:51,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:51,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 14 [2025-02-08 09:10:51,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603943155] [2025-02-08 09:10:51,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:51,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:10:51,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:51,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:10:51,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:10:51,859 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand has 15 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:51,950 INFO L93 Difference]: Finished difference Result 90 states and 111 transitions. [2025-02-08 09:10:51,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:10:51,950 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-02-08 09:10:51,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:51,951 INFO L225 Difference]: With dead ends: 90 [2025-02-08 09:10:51,951 INFO L226 Difference]: Without dead ends: 50 [2025-02-08 09:10:51,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:10:51,952 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 20 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:51,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 44 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:10:51,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2025-02-08 09:10:51,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2025-02-08 09:10:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.2619047619047619) internal successors, (53), 45 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 53 transitions. [2025-02-08 09:10:51,957 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 53 transitions. Word has length 15 [2025-02-08 09:10:51,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:51,957 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 53 transitions. [2025-02-08 09:10:51,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8) internal successors, (42), 14 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2025-02-08 09:10:51,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:10:51,958 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:51,958 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:10:51,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:10:52,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:52,162 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:52,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:52,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1598461259, now seen corresponding path program 1 times [2025-02-08 09:10:52,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:52,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843297970] [2025-02-08 09:10:52,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:52,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:52,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:10:52,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:10:52,177 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:52,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:52,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:52,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843297970] [2025-02-08 09:10:52,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843297970] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:52,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536577436] [2025-02-08 09:10:52,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:52,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:52,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:52,250 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 09:10:52,251 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 09:10:52,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:10:52,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:10:52,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:52,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:52,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:10:52,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:52,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:10:52,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536577436] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:10:52,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:10:52,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 09:10:52,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915465804] [2025-02-08 09:10:52,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:10:52,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:10:52,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:52,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:10:52,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:10:52,322 INFO L87 Difference]: Start difference. First operand 46 states and 53 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:52,346 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2025-02-08 09:10:52,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:10:52,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-02-08 09:10:52,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:52,347 INFO L225 Difference]: With dead ends: 46 [2025-02-08 09:10:52,347 INFO L226 Difference]: Without dead ends: 45 [2025-02-08 09:10:52,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:10:52,348 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 7 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:52,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 38 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:52,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-08 09:10:52,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2025-02-08 09:10:52,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 44 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:52,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2025-02-08 09:10:52,352 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 19 [2025-02-08 09:10:52,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:52,352 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2025-02-08 09:10:52,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:52,352 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2025-02-08 09:10:52,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-08 09:10:52,352 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:52,352 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:10:52,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:10:52,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 09:10:52,557 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:52,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:52,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1987308543, now seen corresponding path program 1 times [2025-02-08 09:10:52,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:52,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267758775] [2025-02-08 09:10:52,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:52,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:52,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:10:52,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:10:52,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:52,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:52,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267758775] [2025-02-08 09:10:52,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267758775] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1896333356] [2025-02-08 09:10:52,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:52,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:52,632 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 09:10:52,634 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 09:10:52,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 09:10:52,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 09:10:52,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:52,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:52,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:10:52,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:52,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:52,700 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:52,737 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1896333356] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:52,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:52,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 09:10:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748233416] [2025-02-08 09:10:52,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:52,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:10:52,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:52,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:10:52,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:10:52,739 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:52,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:52,794 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2025-02-08 09:10:52,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:10:52,794 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2025-02-08 09:10:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:52,795 INFO L225 Difference]: With dead ends: 67 [2025-02-08 09:10:52,795 INFO L226 Difference]: Without dead ends: 66 [2025-02-08 09:10:52,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:10:52,795 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:52,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 61 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:52,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-02-08 09:10:52,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2025-02-08 09:10:52,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 61 states have (on average 1.180327868852459) internal successors, (72), 63 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:52,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2025-02-08 09:10:52,807 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 20 [2025-02-08 09:10:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:52,808 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2025-02-08 09:10:52,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 12 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2025-02-08 09:10:52,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:10:52,808 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:52,808 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1] [2025-02-08 09:10:52,819 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 09:10:53,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 09:10:53,010 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:53,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1495543163, now seen corresponding path program 1 times [2025-02-08 09:10:53,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:53,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726106292] [2025-02-08 09:10:53,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:53,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:53,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:10:53,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:10:53,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:53,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:53,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:53,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726106292] [2025-02-08 09:10:53,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726106292] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:53,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793051826] [2025-02-08 09:10:53,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:53,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:53,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:53,159 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 09:10:53,161 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 09:10:53,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:10:53,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:10:53,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:53,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:53,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:10:53,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:53,270 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:53,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:53,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793051826] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:53,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:53,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 20 [2025-02-08 09:10:53,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239433490] [2025-02-08 09:10:53,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:53,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:10:53,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:53,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:10:53,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:10:53,353 INFO L87 Difference]: Start difference. First operand 64 states and 72 transitions. Second operand has 21 states, 20 states have (on average 3.9) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:53,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:53,500 INFO L93 Difference]: Finished difference Result 141 states and 168 transitions. [2025-02-08 09:10:53,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:10:53,501 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.9) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-02-08 09:10:53,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:53,502 INFO L225 Difference]: With dead ends: 141 [2025-02-08 09:10:53,502 INFO L226 Difference]: Without dead ends: 140 [2025-02-08 09:10:53,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=183, Invalid=687, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:10:53,503 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 41 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:53,503 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 102 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:10:53,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-02-08 09:10:53,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 130. [2025-02-08 09:10:53,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 127 states have (on average 1.204724409448819) internal successors, (153), 129 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:53,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2025-02-08 09:10:53,518 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 26 [2025-02-08 09:10:53,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:53,518 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2025-02-08 09:10:53,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.9) internal successors, (78), 21 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:53,519 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2025-02-08 09:10:53,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:10:53,520 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:53,520 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2025-02-08 09:10:53,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:10:53,724 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,SelfDestructingSolverStorable13 [2025-02-08 09:10:53,724 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:53,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:53,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1972315773, now seen corresponding path program 2 times [2025-02-08 09:10:53,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:53,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383240715] [2025-02-08 09:10:53,725 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:10:53,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:53,733 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-02-08 09:10:53,745 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:10:53,745 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:10:53,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:53,810 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:53,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:53,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383240715] [2025-02-08 09:10:53,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383240715] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:53,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065321331] [2025-02-08 09:10:53,811 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:10:53,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:53,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:53,814 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 09:10:53,815 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 09:10:53,833 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-02-08 09:10:53,843 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:10:53,844 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:10:53,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:53,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:10:53,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:53,884 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:53,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:53,954 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:53,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065321331] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:53,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:53,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:10:53,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511450010] [2025-02-08 09:10:53,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:53,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:10:53,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:53,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:10:53,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:10:53,956 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:53,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:53,985 INFO L93 Difference]: Finished difference Result 261 states and 311 transitions. [2025-02-08 09:10:53,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:10:53,986 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2025-02-08 09:10:53,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:53,988 INFO L225 Difference]: With dead ends: 261 [2025-02-08 09:10:53,988 INFO L226 Difference]: Without dead ends: 260 [2025-02-08 09:10:53,989 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:10:53,989 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 38 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:53,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 113 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:53,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2025-02-08 09:10:54,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 246. [2025-02-08 09:10:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 243 states have (on average 1.213991769547325) internal successors, (295), 245 states have internal predecessors, (295), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:54,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 295 transitions. [2025-02-08 09:10:54,005 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 295 transitions. Word has length 42 [2025-02-08 09:10:54,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:54,005 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 295 transitions. [2025-02-08 09:10:54,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:54,006 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 295 transitions. [2025-02-08 09:10:54,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:10:54,006 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:54,006 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 3, 3, 3, 2, 1, 1, 1] [2025-02-08 09:10:54,013 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 09:10:54,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:54,207 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:54,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:54,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1518886899, now seen corresponding path program 1 times [2025-02-08 09:10:54,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:54,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496489860] [2025-02-08 09:10:54,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:54,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:54,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:10:54,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:10:54,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:54,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:54,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:54,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496489860] [2025-02-08 09:10:54,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496489860] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:54,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782091305] [2025-02-08 09:10:54,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:10:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:54,395 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 09:10:54,396 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 09:10:54,416 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:10:54,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:10:54,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:10:54,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:54,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:10:54,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 09:10:54,595 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:54,743 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 33 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-08 09:10:54,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782091305] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:54,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:54,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 34 [2025-02-08 09:10:54,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129882171] [2025-02-08 09:10:54,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:54,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-02-08 09:10:54,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:54,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-02-08 09:10:54,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=942, Unknown=0, NotChecked=0, Total=1122 [2025-02-08 09:10:54,745 INFO L87 Difference]: Start difference. First operand 246 states and 295 transitions. Second operand has 34 states, 34 states have (on average 3.323529411764706) internal successors, (113), 34 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:54,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:54,877 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions. [2025-02-08 09:10:54,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:10:54,878 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.323529411764706) internal successors, (113), 34 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2025-02-08 09:10:54,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:54,878 INFO L225 Difference]: With dead ends: 344 [2025-02-08 09:10:54,878 INFO L226 Difference]: Without dead ends: 169 [2025-02-08 09:10:54,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 598 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=251, Invalid=1309, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:10:54,880 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 15 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:54,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 87 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:10:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-02-08 09:10:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2025-02-08 09:10:54,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 158 states have (on average 1.1898734177215189) internal successors, (188), 160 states have internal predecessors, (188), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:54,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 188 transitions. [2025-02-08 09:10:54,885 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 188 transitions. Word has length 43 [2025-02-08 09:10:54,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:54,885 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 188 transitions. [2025-02-08 09:10:54,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.323529411764706) internal successors, (113), 34 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:54,885 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 188 transitions. [2025-02-08 09:10:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:10:54,886 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:54,886 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1] [2025-02-08 09:10:54,892 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 09:10:55,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 09:10:55,087 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:55,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:55,088 INFO L85 PathProgramCache]: Analyzing trace with hash 482375934, now seen corresponding path program 2 times [2025-02-08 09:10:55,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:55,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429929564] [2025-02-08 09:10:55,088 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:10:55,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:55,091 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-02-08 09:10:55,094 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 54 statements. [2025-02-08 09:10:55,094 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:10:55,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-02-08 09:10:55,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:55,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429929564] [2025-02-08 09:10:55,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429929564] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:55,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927075892] [2025-02-08 09:10:55,149 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:10:55,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:55,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:55,152 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 09:10:55,157 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 09:10:55,176 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 54 statements into 2 equivalence classes. [2025-02-08 09:10:55,180 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 9 of 54 statements. [2025-02-08 09:10:55,180 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:10:55,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:55,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:10:55,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-02-08 09:10:55,264 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2025-02-08 09:10:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927075892] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:55,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:55,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2025-02-08 09:10:55,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445511001] [2025-02-08 09:10:55,317 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:55,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:10:55,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:55,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:10:55,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:10:55,318 INFO L87 Difference]: Start difference. First operand 161 states and 188 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:55,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:55,337 INFO L93 Difference]: Finished difference Result 161 states and 188 transitions. [2025-02-08 09:10:55,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:10:55,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2025-02-08 09:10:55,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:55,338 INFO L225 Difference]: With dead ends: 161 [2025-02-08 09:10:55,338 INFO L226 Difference]: Without dead ends: 160 [2025-02-08 09:10:55,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:10:55,339 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 8 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:55,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:55,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-08 09:10:55,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2025-02-08 09:10:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 158 states have (on average 1.120253164556962) internal successors, (177), 159 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 177 transitions. [2025-02-08 09:10:55,345 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 177 transitions. Word has length 54 [2025-02-08 09:10:55,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:55,345 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 177 transitions. [2025-02-08 09:10:55,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 177 transitions. [2025-02-08 09:10:55,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:10:55,346 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:55,346 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 1, 1, 1] [2025-02-08 09:10:55,352 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 09:10:55,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:55,547 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:55,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:55,547 INFO L85 PathProgramCache]: Analyzing trace with hash -216811909, now seen corresponding path program 2 times [2025-02-08 09:10:55,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:55,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307569827] [2025-02-08 09:10:55,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:10:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:55,552 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-02-08 09:10:55,565 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:10:55,565 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:10:55,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:55,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307569827] [2025-02-08 09:10:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307569827] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615956119] [2025-02-08 09:10:55,876 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:10:55,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:55,878 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 09:10:55,879 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 09:10:55,902 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-02-08 09:10:55,917 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:10:55,917 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:10:55,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:55,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:10:55,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:55,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 248 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:56,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615956119] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:56,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:56,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 36 [2025-02-08 09:10:56,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580950228] [2025-02-08 09:10:56,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:56,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-02-08 09:10:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:56,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-02-08 09:10:56,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=379, Invalid=1027, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:10:56,316 INFO L87 Difference]: Start difference. First operand 160 states and 177 transitions. Second operand has 38 states, 37 states have (on average 3.891891891891892) internal successors, (144), 37 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:56,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:56,443 INFO L93 Difference]: Finished difference Result 686 states and 818 transitions. [2025-02-08 09:10:56,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-02-08 09:10:56,443 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 3.891891891891892) internal successors, (144), 37 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2025-02-08 09:10:56,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:56,446 INFO L225 Difference]: With dead ends: 686 [2025-02-08 09:10:56,446 INFO L226 Difference]: Without dead ends: 685 [2025-02-08 09:10:56,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 353 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1027, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:10:56,447 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 57 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:56,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 141 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:10:56,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2025-02-08 09:10:56,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 677. [2025-02-08 09:10:56,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 675 states have (on average 1.1244444444444444) internal successors, (759), 676 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 759 transitions. [2025-02-08 09:10:56,471 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 759 transitions. Word has length 72 [2025-02-08 09:10:56,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:56,471 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 759 transitions. [2025-02-08 09:10:56,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 3.891891891891892) internal successors, (144), 37 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:56,472 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 759 transitions. [2025-02-08 09:10:56,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-08 09:10:56,473 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:56,473 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2025-02-08 09:10:56,481 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 09:10:56,674 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,SelfDestructingSolverStorable17 [2025-02-08 09:10:56,674 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:56,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:56,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1004264253, now seen corresponding path program 3 times [2025-02-08 09:10:56,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:56,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833876904] [2025-02-08 09:10:56,674 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:10:56,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:56,682 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 11 equivalence classes. [2025-02-08 09:10:56,715 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:10:56,715 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 09:10:56,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:56,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:56,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833876904] [2025-02-08 09:10:56,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833876904] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:56,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784480073] [2025-02-08 09:10:56,877 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:10:56,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:56,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:56,881 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 09:10:56,885 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 09:10:56,911 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 11 equivalence classes. [2025-02-08 09:10:56,932 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 96 of 96 statements. [2025-02-08 09:10:56,932 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-08 09:10:56,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:56,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:10:56,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:57,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:10:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 0 proven. 445 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:57,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784480073] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:10:57,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:10:57,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2025-02-08 09:10:57,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534093849] [2025-02-08 09:10:57,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:10:57,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:10:57,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:10:57,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:10:57,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:10:57,432 INFO L87 Difference]: Start difference. First operand 677 states and 759 transitions. Second operand has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:57,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:10:57,499 INFO L93 Difference]: Finished difference Result 1071 states and 1227 transitions. [2025-02-08 09:10:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-08 09:10:57,500 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2025-02-08 09:10:57,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:10:57,503 INFO L225 Difference]: With dead ends: 1071 [2025-02-08 09:10:57,503 INFO L226 Difference]: Without dead ends: 1070 [2025-02-08 09:10:57,503 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:10:57,505 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 87 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:10:57,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 202 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:10:57,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1070 states. [2025-02-08 09:10:57,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1070 to 1053. [2025-02-08 09:10:57,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1053 states, 1051 states have (on average 1.1217887725975262) internal successors, (1179), 1052 states have internal predecessors, (1179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:57,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1179 transitions. [2025-02-08 09:10:57,537 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1179 transitions. Word has length 96 [2025-02-08 09:10:57,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:10:57,537 INFO L471 AbstractCegarLoop]: Abstraction has 1053 states and 1179 transitions. [2025-02-08 09:10:57,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 8.347826086956522) internal successors, (192), 23 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:10:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1179 transitions. [2025-02-08 09:10:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 09:10:57,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:10:57,540 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 14, 5, 5, 5, 1, 1, 1] [2025-02-08 09:10:57,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:10:57,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:57,741 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:10:57,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:10:57,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1474145701, now seen corresponding path program 3 times [2025-02-08 09:10:57,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:10:57,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594388067] [2025-02-08 09:10:57,741 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:10:57,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:10:57,746 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 142 statements into 15 equivalence classes. [2025-02-08 09:10:57,781 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 09:10:57,781 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:10:57,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:58,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 0 proven. 1163 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:58,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:10:58,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594388067] [2025-02-08 09:10:58,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594388067] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:10:58,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206238268] [2025-02-08 09:10:58,581 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:10:58,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:10:58,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:10:58,586 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 09:10:58,587 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 09:10:58,612 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 142 statements into 15 equivalence classes. [2025-02-08 09:10:58,642 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 09:10:58,643 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:10:58,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:10:58,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-02-08 09:10:58,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:10:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 62 proven. 1101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:10:58,955 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:11:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1163 backedges. 62 proven. 1101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:00,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206238268] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:11:00,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:11:00,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 40, 40] total 87 [2025-02-08 09:11:00,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477335004] [2025-02-08 09:11:00,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:11:00,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-02-08 09:11:00,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:11:00,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-02-08 09:11:00,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1368, Invalid=6288, Unknown=0, NotChecked=0, Total=7656 [2025-02-08 09:11:00,172 INFO L87 Difference]: Start difference. First operand 1053 states and 1179 transitions. Second operand has 88 states, 87 states have (on average 3.7126436781609193) internal successors, (323), 88 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:11:02,748 INFO L93 Difference]: Finished difference Result 6809 states and 8255 transitions. [2025-02-08 09:11:02,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2025-02-08 09:11:02,749 INFO L78 Accepts]: Start accepts. Automaton has has 88 states, 87 states have (on average 3.7126436781609193) internal successors, (323), 88 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 142 [2025-02-08 09:11:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:11:02,765 INFO L225 Difference]: With dead ends: 6809 [2025-02-08 09:11:02,765 INFO L226 Difference]: Without dead ends: 6808 [2025-02-08 09:11:02,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9880 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=5544, Invalid=29988, Unknown=0, NotChecked=0, Total=35532 [2025-02-08 09:11:02,772 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 231 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:11:02,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 145 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:11:02,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6808 states. [2025-02-08 09:11:02,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6808 to 3896. [2025-02-08 09:11:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 3894 states have (on average 1.1435541859270673) internal successors, (4453), 3895 states have internal predecessors, (4453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 4453 transitions. [2025-02-08 09:11:02,915 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 4453 transitions. Word has length 142 [2025-02-08 09:11:02,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:11:02,915 INFO L471 AbstractCegarLoop]: Abstraction has 3896 states and 4453 transitions. [2025-02-08 09:11:02,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 87 states have (on average 3.7126436781609193) internal successors, (323), 88 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 4453 transitions. [2025-02-08 09:11:02,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-02-08 09:11:02,919 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:11:02,919 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2025-02-08 09:11:02,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:11:03,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:11:03,124 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:11:03,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:11:03,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1561062211, now seen corresponding path program 4 times [2025-02-08 09:11:03,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:11:03,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171664612] [2025-02-08 09:11:03,125 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:11:03,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:11:03,139 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 204 statements into 2 equivalence classes. [2025-02-08 09:11:03,160 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-08 09:11:03,160 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:11:03,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:11:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 0 proven. 2167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:03,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:11:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171664612] [2025-02-08 09:11:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171664612] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:11:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222444208] [2025-02-08 09:11:03,570 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:11:03,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:11:03,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:11:03,575 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 09:11:03,576 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 09:11:03,606 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 204 statements into 2 equivalence classes. [2025-02-08 09:11:03,637 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-08 09:11:03,637 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:11:03,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:11:03,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:11:03,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:11:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 2167 backedges. 909 proven. 0 refuted. 0 times theorem prover too weak. 1258 trivial. 0 not checked. [2025-02-08 09:11:03,997 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:11:03,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [222444208] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:11:03,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:11:03,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [23] total 41 [2025-02-08 09:11:03,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194668504] [2025-02-08 09:11:03,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:11:03,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:11:03,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:11:03,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:11:03,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=380, Invalid=1342, Unknown=0, NotChecked=0, Total=1722 [2025-02-08 09:11:03,999 INFO L87 Difference]: Start difference. First operand 3896 states and 4453 transitions. Second operand has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:04,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:11:04,132 INFO L93 Difference]: Finished difference Result 3897 states and 4453 transitions. [2025-02-08 09:11:04,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:11:04,132 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 204 [2025-02-08 09:11:04,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:11:04,133 INFO L225 Difference]: With dead ends: 3897 [2025-02-08 09:11:04,133 INFO L226 Difference]: Without dead ends: 255 [2025-02-08 09:11:04,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=380, Invalid=1342, Unknown=0, NotChecked=0, Total=1722 [2025-02-08 09:11:04,141 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 2 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:11:04,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 108 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:11:04,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-02-08 09:11:04,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2025-02-08 09:11:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 254 states have (on average 1.0039370078740157) internal successors, (255), 254 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:04,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2025-02-08 09:11:04,157 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 204 [2025-02-08 09:11:04,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:11:04,157 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2025-02-08 09:11:04,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.1052631578947367) internal successors, (59), 18 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2025-02-08 09:11:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-02-08 09:11:04,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:11:04,163 INFO L218 NwaCegarLoop]: trace histogram [35, 35, 34, 34, 34, 34, 30, 5, 5, 5, 1, 1, 1] [2025-02-08 09:11:04,169 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 09:11:04,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:11:04,363 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:11:04,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:11:04,364 INFO L85 PathProgramCache]: Analyzing trace with hash 526828891, now seen corresponding path program 4 times [2025-02-08 09:11:04,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:11:04,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491503548] [2025-02-08 09:11:04,364 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:11:04,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:11:04,376 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 254 statements into 2 equivalence classes. [2025-02-08 09:11:04,451 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 254 of 254 statements. [2025-02-08 09:11:04,454 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:11:04,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:11:06,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 4083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:06,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:11:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491503548] [2025-02-08 09:11:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491503548] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:11:06,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689197178] [2025-02-08 09:11:06,640 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:11:06,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:11:06,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:11:06,642 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 09:11:06,644 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 09:11:06,690 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 254 statements into 2 equivalence classes. [2025-02-08 09:11:06,731 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 254 of 254 statements. [2025-02-08 09:11:06,731 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:11:06,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:11:06,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 71 conjuncts are in the unsatisfiable core [2025-02-08 09:11:06,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:11:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 4083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:06,972 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:11:10,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4083 backedges. 0 proven. 4083 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:10,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689197178] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:11:10,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:11:10,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 70, 70] total 140 [2025-02-08 09:11:10,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787337274] [2025-02-08 09:11:10,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:11:10,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2025-02-08 09:11:10,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:11:10,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2025-02-08 09:11:10,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5111, Invalid=14911, Unknown=0, NotChecked=0, Total=20022 [2025-02-08 09:11:10,395 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand has 142 states, 141 states have (on average 3.602836879432624) internal successors, (508), 141 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:10,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:11:10,799 INFO L93 Difference]: Finished difference Result 508 states and 543 transitions. [2025-02-08 09:11:10,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2025-02-08 09:11:10,799 INFO L78 Accepts]: Start accepts. Automaton has has 142 states, 141 states have (on average 3.602836879432624) internal successors, (508), 141 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 254 [2025-02-08 09:11:10,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:11:10,801 INFO L225 Difference]: With dead ends: 508 [2025-02-08 09:11:10,801 INFO L226 Difference]: Without dead ends: 507 [2025-02-08 09:11:10,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 576 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5917 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=5111, Invalid=14911, Unknown=0, NotChecked=0, Total=20022 [2025-02-08 09:11:10,803 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 12 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:11:10,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 267 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:11:10,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2025-02-08 09:11:10,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 507. [2025-02-08 09:11:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 507 states, 506 states have (on average 1.0019762845849802) internal successors, (507), 506 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 507 transitions. [2025-02-08 09:11:10,815 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 507 transitions. Word has length 254 [2025-02-08 09:11:10,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:11:10,815 INFO L471 AbstractCegarLoop]: Abstraction has 507 states and 507 transitions. [2025-02-08 09:11:10,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 141 states have (on average 3.602836879432624) internal successors, (508), 141 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:10,816 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 507 transitions. [2025-02-08 09:11:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2025-02-08 09:11:10,820 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:11:10,820 INFO L218 NwaCegarLoop]: trace histogram [71, 71, 70, 70, 70, 70, 66, 5, 5, 5, 1, 1, 1] [2025-02-08 09:11:10,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:11:11,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-08 09:11:11,021 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:11:11,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:11:11,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1301362715, now seen corresponding path program 5 times [2025-02-08 09:11:11,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:11:11,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450475293] [2025-02-08 09:11:11,021 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:11:11,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:11:11,037 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 506 statements into 67 equivalence classes. [2025-02-08 09:11:11,285 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) and asserted 506 of 506 statements. [2025-02-08 09:11:11,285 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) [2025-02-08 09:11:11,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:11:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:20,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:11:20,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450475293] [2025-02-08 09:11:20,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450475293] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:11:20,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824144074] [2025-02-08 09:11:20,151 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:11:20,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:11:20,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:11:20,153 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 09:11:20,154 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 09:11:20,207 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 506 statements into 67 equivalence classes. [2025-02-08 09:11:20,373 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) and asserted 506 of 506 statements. [2025-02-08 09:11:20,373 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 67 check-sat command(s) [2025-02-08 09:11:20,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:11:20,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 1031 conjuncts, 143 conjuncts are in the unsatisfiable core [2025-02-08 09:11:20,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:11:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:20,853 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:11:33,533 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:11:33,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [824144074] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:11:33,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:11:33,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [142, 142, 142] total 284 [2025-02-08 09:11:33,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573074068] [2025-02-08 09:11:33,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:11:33,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 286 states [2025-02-08 09:11:33,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:11:33,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 286 interpolants. [2025-02-08 09:11:33,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20591, Invalid=60919, Unknown=0, NotChecked=0, Total=81510 [2025-02-08 09:11:33,543 INFO L87 Difference]: Start difference. First operand 507 states and 507 transitions. Second operand has 286 states, 285 states have (on average 3.550877192982456) internal successors, (1012), 285 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:35,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:11:35,185 INFO L93 Difference]: Finished difference Result 1012 states and 1083 transitions. [2025-02-08 09:11:35,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 286 states. [2025-02-08 09:11:35,185 INFO L78 Accepts]: Start accepts. Automaton has has 286 states, 285 states have (on average 3.550877192982456) internal successors, (1012), 285 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 506 [2025-02-08 09:11:35,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:11:35,188 INFO L225 Difference]: With dead ends: 1012 [2025-02-08 09:11:35,188 INFO L226 Difference]: Without dead ends: 1011 [2025-02-08 09:11:35,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1152 GetRequests, 868 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24781 ImplicationChecksByTransitivity, 17.2s TimeCoverageRelationStatistics Valid=20591, Invalid=60919, Unknown=0, NotChecked=0, Total=81510 [2025-02-08 09:11:35,191 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 10 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:11:35,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 469 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:11:35,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2025-02-08 09:11:35,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 1011. [2025-02-08 09:11:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 1010 states have (on average 1.000990099009901) internal successors, (1011), 1010 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:35,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1011 transitions. [2025-02-08 09:11:35,212 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1011 transitions. Word has length 506 [2025-02-08 09:11:35,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:11:35,213 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1011 transitions. [2025-02-08 09:11:35,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 286 states, 285 states have (on average 3.550877192982456) internal successors, (1012), 285 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:11:35,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1011 transitions. [2025-02-08 09:11:35,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1011 [2025-02-08 09:11:35,231 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:11:35,231 INFO L218 NwaCegarLoop]: trace histogram [143, 143, 142, 142, 142, 142, 138, 5, 5, 5, 1, 1, 1] [2025-02-08 09:11:35,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:11:35,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:11:35,435 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:11:35,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:11:35,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1325122149, now seen corresponding path program 6 times [2025-02-08 09:11:35,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:11:35,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467926555] [2025-02-08 09:11:35,436 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:11:35,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:11:35,470 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1010 statements into 139 equivalence classes. [2025-02-08 09:11:36,347 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) and asserted 1010 of 1010 statements. [2025-02-08 09:11:36,347 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) [2025-02-08 09:11:36,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:12:14,750 INFO L134 CoverageAnalysis]: Checked inductivity of 70665 backedges. 0 proven. 70665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:12:14,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:12:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467926555] [2025-02-08 09:12:14,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467926555] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:12:14,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775313240] [2025-02-08 09:12:14,750 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:12:14,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:12:14,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:12:14,753 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 09:12:14,755 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 09:12:14,837 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 1010 statements into 139 equivalence classes. [2025-02-08 09:12:15,423 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) and asserted 1010 of 1010 statements. [2025-02-08 09:12:15,424 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 139 check-sat command(s) [2025-02-08 09:12:15,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:12:15,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 2039 conjuncts, 287 conjuncts are in the unsatisfiable core [2025-02-08 09:12:15,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:12:16,313 INFO L134 CoverageAnalysis]: Checked inductivity of 70665 backedges. 0 proven. 70665 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:12:16,313 INFO L312 TraceCheckSpWp]: Computing backward predicates...