./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:40:02,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:40:02,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:40:02,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:40:02,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:40:02,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:40:02,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:40:02,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:40:02,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:40:02,608 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:40:02,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:40:02,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:40:02,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:40:02,609 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:40:02,610 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:40:02,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:40:02,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:40:02,610 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 -> aefc568e9b7c922872a103ac050823e614044aea4bac2f22f2c586f3247176b4 [2025-02-08 09:40:02,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:40:02,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:40:02,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:40:02,831 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:40:02,831 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:40:02,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2025-02-08 09:40:03,987 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/efe143302/74e085505d4a4042b8166f6a2832e6e0/FLAGadb21151f [2025-02-08 09:40:04,225 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:40:04,227 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound50.c [2025-02-08 09:40:04,233 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/efe143302/74e085505d4a4042b8166f6a2832e6e0/FLAGadb21151f [2025-02-08 09:40:04,566 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/efe143302/74e085505d4a4042b8166f6a2832e6e0 [2025-02-08 09:40:04,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:40:04,568 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:40:04,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:40:04,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:40:04,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:40:04,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24bab302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04, skipping insertion in model container [2025-02-08 09:40:04,573 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:40:04,674 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:40:04,680 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:40:04,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:40:04,699 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:40:04,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04 WrapperNode [2025-02-08 09:40:04,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:40:04,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:40:04,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:40:04,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:40:04,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,720 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2025-02-08 09:40:04,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:40:04,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:40:04,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:40:04,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:40:04,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,736 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 09:40:04,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,738 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:40:04,741 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:40:04,741 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:40:04,741 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:40:04,742 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (1/1) ... [2025-02-08 09:40:04,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:40:04,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:04,765 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 09:40:04,768 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 09:40:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:40:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:40:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:40:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:40:04,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:40:04,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:40:04,820 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:40:04,821 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:40:05,035 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-02-08 09:40:05,035 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:40:05,043 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:40:05,043 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:40:05,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:40:05 BoogieIcfgContainer [2025-02-08 09:40:05,044 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:40:05,045 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:40:05,045 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:40:05,048 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:40:05,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:40:04" (1/3) ... [2025-02-08 09:40:05,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da0c92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:40:05, skipping insertion in model container [2025-02-08 09:40:05,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:40:04" (2/3) ... [2025-02-08 09:40:05,049 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5da0c92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:40:05, skipping insertion in model container [2025-02-08 09:40:05,049 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:40:05" (3/3) ... [2025-02-08 09:40:05,050 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound50.c [2025-02-08 09:40:05,060 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:40:05,061 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_unwindbound50.c that has 2 procedures, 80 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2025-02-08 09:40:05,093 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:40:05,101 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;@16506bf3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:40:05,101 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-02-08 09:40:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 71 states have internal predecessors, (80), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:40:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:40:05,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:05,108 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:40:05,108 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:05,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:05,112 INFO L85 PathProgramCache]: Analyzing trace with hash 105895021, now seen corresponding path program 1 times [2025-02-08 09:40:05,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:05,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486921650] [2025-02-08 09:40:05,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:05,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:05,162 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:40:05,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:40:05,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:05,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:05,250 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 09:40:05,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:05,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486921650] [2025-02-08 09:40:05,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486921650] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:05,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:05,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:05,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864029820] [2025-02-08 09:40:05,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:05,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:05,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:05,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:05,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:40:05,267 INFO L87 Difference]: Start difference. First operand has 80 states, 43 states have (on average 1.8604651162790697) internal successors, (80), 71 states have internal predecessors, (80), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:40:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:05,314 INFO L93 Difference]: Finished difference Result 166 states and 202 transitions. [2025-02-08 09:40:05,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:40:05,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:40:05,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:05,320 INFO L225 Difference]: With dead ends: 166 [2025-02-08 09:40:05,320 INFO L226 Difference]: Without dead ends: 83 [2025-02-08 09:40:05,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:05,324 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 34 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:05,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 220 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:05,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-02-08 09:40:05,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 78. [2025-02-08 09:40:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 44 states have (on average 1.7045454545454546) internal successors, (75), 70 states have internal predecessors, (75), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:40:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions. [2025-02-08 09:40:05,350 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 5 [2025-02-08 09:40:05,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:05,350 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 85 transitions. [2025-02-08 09:40:05,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:40:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2025-02-08 09:40:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:40:05,350 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:05,350 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:40:05,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:40:05,351 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:05,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1012221603, now seen corresponding path program 1 times [2025-02-08 09:40:05,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:05,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131087580] [2025-02-08 09:40:05,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:05,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:05,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:40:05,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:40:05,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:05,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:05,389 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 09:40:05,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:05,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131087580] [2025-02-08 09:40:05,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131087580] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:05,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:05,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:05,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939966326] [2025-02-08 09:40:05,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:05,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:05,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:05,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:05,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:40:05,391 INFO L87 Difference]: Start difference. First operand 78 states and 85 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:40:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:05,422 INFO L93 Difference]: Finished difference Result 133 states and 144 transitions. [2025-02-08 09:40:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:40:05,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:40:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:05,423 INFO L225 Difference]: With dead ends: 133 [2025-02-08 09:40:05,423 INFO L226 Difference]: Without dead ends: 82 [2025-02-08 09:40:05,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:05,424 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 3 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:05,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 227 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:05,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-02-08 09:40:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2025-02-08 09:40:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 48 states have (on average 1.6458333333333333) internal successors, (79), 74 states have internal predecessors, (79), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:40:05,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 89 transitions. [2025-02-08 09:40:05,431 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 89 transitions. Word has length 6 [2025-02-08 09:40:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:05,431 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 89 transitions. [2025-02-08 09:40:05,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:40:05,431 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 89 transitions. [2025-02-08 09:40:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:40:05,432 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:05,432 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:05,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:40:05,432 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:05,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:05,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1489077219, now seen corresponding path program 1 times [2025-02-08 09:40:05,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:05,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871415427] [2025-02-08 09:40:05,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:05,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:05,439 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:40:05,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:40:05,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:05,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:05,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1222092424] [2025-02-08 09:40:05,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:05,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:05,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:05,453 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 09:40:05,455 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 09:40:05,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:40:05,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:40:05,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:05,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:05,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:40:05,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:05,518 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:40:05,518 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:40:05,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:05,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871415427] [2025-02-08 09:40:05,519 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:05,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222092424] [2025-02-08 09:40:05,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222092424] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:05,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:05,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:05,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293216606] [2025-02-08 09:40:05,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:05,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:40:05,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:05,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:40:05,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:05,521 INFO L87 Difference]: Start difference. First operand 82 states and 89 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:40:05,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:05,572 INFO L93 Difference]: Finished difference Result 175 states and 194 transitions. [2025-02-08 09:40:05,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:40:05,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-08 09:40:05,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:05,573 INFO L225 Difference]: With dead ends: 175 [2025-02-08 09:40:05,573 INFO L226 Difference]: Without dead ends: 121 [2025-02-08 09:40:05,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 09:40:05,574 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 33 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:05,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 133 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-08 09:40:05,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 105. [2025-02-08 09:40:05,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 66 states have (on average 1.621212121212121) internal successors, (107), 92 states have internal predecessors, (107), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:40:05,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 127 transitions. [2025-02-08 09:40:05,581 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 127 transitions. Word has length 18 [2025-02-08 09:40:05,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:05,582 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 127 transitions. [2025-02-08 09:40:05,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:40:05,582 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 127 transitions. [2025-02-08 09:40:05,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:40:05,582 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:05,582 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:05,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:40:05,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:05,784 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:05,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:05,784 INFO L85 PathProgramCache]: Analyzing trace with hash 370016290, now seen corresponding path program 1 times [2025-02-08 09:40:05,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:05,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262167096] [2025-02-08 09:40:05,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:05,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:05,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:40:05,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:40:05,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:05,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:05,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262167096] [2025-02-08 09:40:05,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262167096] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:05,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:05,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:05,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317927453] [2025-02-08 09:40:05,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:05,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:40:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:05,855 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:40:05,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:05,855 INFO L87 Difference]: Start difference. First operand 105 states and 127 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:05,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:05,909 INFO L93 Difference]: Finished difference Result 105 states and 127 transitions. [2025-02-08 09:40:05,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:40:05,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2025-02-08 09:40:05,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:05,910 INFO L225 Difference]: With dead ends: 105 [2025-02-08 09:40:05,910 INFO L226 Difference]: Without dead ends: 103 [2025-02-08 09:40:05,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:05,911 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 47 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:05,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 68 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:05,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-08 09:40:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-02-08 09:40:05,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.5757575757575757) internal successors, (104), 90 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:40:05,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 124 transitions. [2025-02-08 09:40:05,920 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 124 transitions. Word has length 26 [2025-02-08 09:40:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:05,920 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 124 transitions. [2025-02-08 09:40:05,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:05,921 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 124 transitions. [2025-02-08 09:40:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:40:05,921 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:05,921 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:05,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:40:05,921 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:05,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:05,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1414398088, now seen corresponding path program 1 times [2025-02-08 09:40:05,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:05,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451387433] [2025-02-08 09:40:05,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:05,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:05,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:40:05,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:40:05,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:05,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:06,048 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:06,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:06,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451387433] [2025-02-08 09:40:06,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451387433] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:06,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:06,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:40:06,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89639266] [2025-02-08 09:40:06,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:06,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:40:06,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:06,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:40:06,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:40:06,050 INFO L87 Difference]: Start difference. First operand 103 states and 124 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:06,119 INFO L93 Difference]: Finished difference Result 103 states and 124 transitions. [2025-02-08 09:40:06,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:40:06,120 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-02-08 09:40:06,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:06,121 INFO L225 Difference]: With dead ends: 103 [2025-02-08 09:40:06,121 INFO L226 Difference]: Without dead ends: 102 [2025-02-08 09:40:06,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:40:06,121 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 72 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:06,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 201 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:06,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-02-08 09:40:06,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2025-02-08 09:40:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 66 states have (on average 1.5454545454545454) internal successors, (102), 89 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:40:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 122 transitions. [2025-02-08 09:40:06,134 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 122 transitions. Word has length 27 [2025-02-08 09:40:06,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:06,134 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 122 transitions. [2025-02-08 09:40:06,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2025-02-08 09:40:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:40:06,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:06,135 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:06,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:40:06,135 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:06,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:06,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1414396871, now seen corresponding path program 1 times [2025-02-08 09:40:06,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:06,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378538463] [2025-02-08 09:40:06,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:06,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:40:06,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:40:06,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:06,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:06,178 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:06,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:06,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378538463] [2025-02-08 09:40:06,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378538463] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:06,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:06,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:06,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022664195] [2025-02-08 09:40:06,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:06,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:40:06,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:06,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:40:06,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:06,180 INFO L87 Difference]: Start difference. First operand 102 states and 122 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:06,221 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2025-02-08 09:40:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:40:06,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-02-08 09:40:06,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:06,222 INFO L225 Difference]: With dead ends: 112 [2025-02-08 09:40:06,222 INFO L226 Difference]: Without dead ends: 111 [2025-02-08 09:40:06,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:06,223 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 21 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:06,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 124 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:06,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-08 09:40:06,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 102. [2025-02-08 09:40:06,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 66 states have (on average 1.5303030303030303) internal successors, (101), 89 states have internal predecessors, (101), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:40:06,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 121 transitions. [2025-02-08 09:40:06,232 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 121 transitions. Word has length 27 [2025-02-08 09:40:06,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:06,232 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 121 transitions. [2025-02-08 09:40:06,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,232 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 121 transitions. [2025-02-08 09:40:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:40:06,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:06,232 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:06,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:40:06,233 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:06,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:06,233 INFO L85 PathProgramCache]: Analyzing trace with hash -896667751, now seen corresponding path program 1 times [2025-02-08 09:40:06,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:06,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365667220] [2025-02-08 09:40:06,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:06,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:40:06,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:40:06,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:06,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:06,308 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:06,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:06,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365667220] [2025-02-08 09:40:06,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365667220] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:06,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:06,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:40:06,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691359169] [2025-02-08 09:40:06,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:06,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:40:06,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:06,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:40:06,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:40:06,309 INFO L87 Difference]: Start difference. First operand 102 states and 121 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:06,362 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2025-02-08 09:40:06,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:40:06,363 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-02-08 09:40:06,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:06,363 INFO L225 Difference]: With dead ends: 119 [2025-02-08 09:40:06,363 INFO L226 Difference]: Without dead ends: 110 [2025-02-08 09:40:06,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:40:06,364 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 22 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:06,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 291 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:06,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-02-08 09:40:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2025-02-08 09:40:06,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 92 states have internal predecessors, (102), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:40:06,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2025-02-08 09:40:06,370 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 28 [2025-02-08 09:40:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:06,371 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2025-02-08 09:40:06,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2025-02-08 09:40:06,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:40:06,371 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:06,371 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:06,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:40:06,372 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:06,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:06,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1590718263, now seen corresponding path program 1 times [2025-02-08 09:40:06,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:06,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903976178] [2025-02-08 09:40:06,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:06,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:40:06,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:40:06,392 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:06,392 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:06,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512756387] [2025-02-08 09:40:06,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:06,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:06,396 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 09:40:06,398 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 09:40:06,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:40:06,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:40:06,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:06,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:06,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:40:06,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:06,462 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:40:06,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903976178] [2025-02-08 09:40:06,463 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:06,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512756387] [2025-02-08 09:40:06,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512756387] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:06,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:06,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:06,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418971609] [2025-02-08 09:40:06,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:06,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:40:06,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:06,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:40:06,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:06,464 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:06,508 INFO L93 Difference]: Finished difference Result 144 states and 170 transitions. [2025-02-08 09:40:06,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:40:06,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2025-02-08 09:40:06,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:06,509 INFO L225 Difference]: With dead ends: 144 [2025-02-08 09:40:06,509 INFO L226 Difference]: Without dead ends: 140 [2025-02-08 09:40:06,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 09:40:06,510 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 41 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:06,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 100 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:06,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-02-08 09:40:06,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 126. [2025-02-08 09:40:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 87 states have (on average 1.4827586206896552) internal successors, (129), 110 states have internal predecessors, (129), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:40:06,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 153 transitions. [2025-02-08 09:40:06,517 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 153 transitions. Word has length 30 [2025-02-08 09:40:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:06,517 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 153 transitions. [2025-02-08 09:40:06,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 153 transitions. [2025-02-08 09:40:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:40:06,518 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:06,518 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:06,524 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 09:40:06,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:06,719 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:06,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash -328106283, now seen corresponding path program 1 times [2025-02-08 09:40:06,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:06,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683419634] [2025-02-08 09:40:06,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:06,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:40:06,727 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:40:06,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:06,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:06,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:06,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683419634] [2025-02-08 09:40:06,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683419634] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:06,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:06,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:40:06,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370231714] [2025-02-08 09:40:06,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:06,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:06,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:06,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:40:06,768 INFO L87 Difference]: Start difference. First operand 126 states and 153 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:06,898 INFO L93 Difference]: Finished difference Result 150 states and 179 transitions. [2025-02-08 09:40:06,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:40:06,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2025-02-08 09:40:06,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:06,900 INFO L225 Difference]: With dead ends: 150 [2025-02-08 09:40:06,900 INFO L226 Difference]: Without dead ends: 149 [2025-02-08 09:40:06,900 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:06,900 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 104 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:06,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 110 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-02-08 09:40:06,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 133. [2025-02-08 09:40:06,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 94 states have (on average 1.4680851063829787) internal successors, (138), 117 states have internal predecessors, (138), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:40:06,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 162 transitions. [2025-02-08 09:40:06,931 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 162 transitions. Word has length 32 [2025-02-08 09:40:06,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:06,931 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 162 transitions. [2025-02-08 09:40:06,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 162 transitions. [2025-02-08 09:40:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:40:06,932 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:06,932 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:06,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:40:06,932 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:06,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:06,933 INFO L85 PathProgramCache]: Analyzing trace with hash 161491381, now seen corresponding path program 1 times [2025-02-08 09:40:06,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:06,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542642839] [2025-02-08 09:40:06,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:06,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:40:06,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:40:06,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:06,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:06,985 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:06,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542642839] [2025-02-08 09:40:06,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542642839] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:06,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048763334] [2025-02-08 09:40:06,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:06,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:06,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:06,988 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 09:40:06,996 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 09:40:07,020 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:40:07,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:40:07,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:07,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:07,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:40:07,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:07,093 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:07,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:07,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:07,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048763334] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:07,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:40:07,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2025-02-08 09:40:07,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42652490] [2025-02-08 09:40:07,173 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:07,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:40:07,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:07,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:40:07,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:40:07,174 INFO L87 Difference]: Start difference. First operand 133 states and 162 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:40:07,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:07,322 INFO L93 Difference]: Finished difference Result 266 states and 324 transitions. [2025-02-08 09:40:07,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:40:07,322 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 32 [2025-02-08 09:40:07,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:07,323 INFO L225 Difference]: With dead ends: 266 [2025-02-08 09:40:07,324 INFO L226 Difference]: Without dead ends: 190 [2025-02-08 09:40:07,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:40:07,325 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 75 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:07,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 381 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:07,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-02-08 09:40:07,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 172. [2025-02-08 09:40:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 125 states have (on average 1.456) internal successors, (182), 148 states have internal predecessors, (182), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:40:07,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 218 transitions. [2025-02-08 09:40:07,341 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 218 transitions. Word has length 32 [2025-02-08 09:40:07,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:07,342 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 218 transitions. [2025-02-08 09:40:07,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 10 states have internal predecessors, (40), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-08 09:40:07,342 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 218 transitions. [2025-02-08 09:40:07,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:40:07,342 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:07,343 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:07,350 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 09:40:07,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:07,544 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:07,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:07,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1581360174, now seen corresponding path program 1 times [2025-02-08 09:40:07,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:07,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985066783] [2025-02-08 09:40:07,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:07,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:07,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:40:07,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:40:07,554 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:07,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:07,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784512912] [2025-02-08 09:40:07,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:07,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:07,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:07,559 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 09:40:07,567 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 09:40:07,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:40:07,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:40:07,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:07,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:07,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:40:07,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:40:07,686 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:40:07,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:07,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985066783] [2025-02-08 09:40:07,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:07,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784512912] [2025-02-08 09:40:07,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784512912] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:07,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:07,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:40:07,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004328785] [2025-02-08 09:40:07,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:07,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:07,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:07,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:07,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:40:07,688 INFO L87 Difference]: Start difference. First operand 172 states and 218 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:07,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:07,806 INFO L93 Difference]: Finished difference Result 178 states and 223 transitions. [2025-02-08 09:40:07,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:40:07,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2025-02-08 09:40:07,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:07,807 INFO L225 Difference]: With dead ends: 178 [2025-02-08 09:40:07,807 INFO L226 Difference]: Without dead ends: 175 [2025-02-08 09:40:07,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:07,808 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 24 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:07,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 136 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:07,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-02-08 09:40:07,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-02-08 09:40:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 128 states have (on average 1.4375) internal successors, (184), 151 states have internal predecessors, (184), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-08 09:40:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 220 transitions. [2025-02-08 09:40:07,821 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 220 transitions. Word has length 33 [2025-02-08 09:40:07,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:07,821 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 220 transitions. [2025-02-08 09:40:07,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:40:07,822 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 220 transitions. [2025-02-08 09:40:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:40:07,822 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:07,823 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:07,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:40:08,023 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,SelfDestructingSolverStorable10 [2025-02-08 09:40:08,023 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:08,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:08,024 INFO L85 PathProgramCache]: Analyzing trace with hash -174708619, now seen corresponding path program 1 times [2025-02-08 09:40:08,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:08,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477296302] [2025-02-08 09:40:08,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:08,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:08,028 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:40:08,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:40:08,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:08,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:08,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860867526] [2025-02-08 09:40:08,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:08,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:08,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:08,037 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 09:40:08,039 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 09:40:08,077 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:40:08,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:40:08,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:08,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:08,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:40:08,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:08,176 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:40:08,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:40:08,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:08,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477296302] [2025-02-08 09:40:08,176 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:08,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860867526] [2025-02-08 09:40:08,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860867526] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:08,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:08,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:40:08,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148750661] [2025-02-08 09:40:08,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:08,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:08,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:08,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:08,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:40:08,181 INFO L87 Difference]: Start difference. First operand 175 states and 220 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:40:08,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:08,271 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2025-02-08 09:40:08,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:40:08,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2025-02-08 09:40:08,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:08,273 INFO L225 Difference]: With dead ends: 212 [2025-02-08 09:40:08,273 INFO L226 Difference]: Without dead ends: 202 [2025-02-08 09:40:08,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 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 09:40:08,273 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 82 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:08,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 142 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:08,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2025-02-08 09:40:08,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 184. [2025-02-08 09:40:08,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 139 states have (on average 1.3597122302158273) internal successors, (189), 158 states have internal predecessors, (189), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:40:08,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 229 transitions. [2025-02-08 09:40:08,290 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 229 transitions. Word has length 44 [2025-02-08 09:40:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:08,290 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 229 transitions. [2025-02-08 09:40:08,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:40:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 229 transitions. [2025-02-08 09:40:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:40:08,293 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:08,293 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:08,299 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 09:40:08,496 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,SelfDestructingSolverStorable11 [2025-02-08 09:40:08,496 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:08,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:08,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1120999859, now seen corresponding path program 1 times [2025-02-08 09:40:08,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:08,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956318801] [2025-02-08 09:40:08,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:08,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:08,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:40:08,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:40:08,513 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:08,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:08,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171550964] [2025-02-08 09:40:08,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:08,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:08,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:08,523 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 09:40:08,525 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 09:40:08,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:40:08,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:40:08,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:08,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:08,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:40:08,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:08,596 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:40:08,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:08,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:08,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956318801] [2025-02-08 09:40:08,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:08,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171550964] [2025-02-08 09:40:08,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171550964] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:08,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:08,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:40:08,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427453926] [2025-02-08 09:40:08,657 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:08,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:08,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:08,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:08,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:08,658 INFO L87 Difference]: Start difference. First operand 184 states and 229 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:40:08,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:08,729 INFO L93 Difference]: Finished difference Result 280 states and 346 transitions. [2025-02-08 09:40:08,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:40:08,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2025-02-08 09:40:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:08,731 INFO L225 Difference]: With dead ends: 280 [2025-02-08 09:40:08,731 INFO L226 Difference]: Without dead ends: 276 [2025-02-08 09:40:08,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:08,732 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 67 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:08,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 209 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-08 09:40:08,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 244. [2025-02-08 09:40:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 193 states have (on average 1.383419689119171) internal successors, (267), 212 states have internal predecessors, (267), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:40:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 319 transitions. [2025-02-08 09:40:08,753 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 319 transitions. Word has length 45 [2025-02-08 09:40:08,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:08,754 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 319 transitions. [2025-02-08 09:40:08,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:40:08,754 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 319 transitions. [2025-02-08 09:40:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-08 09:40:08,756 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:08,756 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:08,764 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 09:40:08,957 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,SelfDestructingSolverStorable12 [2025-02-08 09:40:08,957 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:08,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:08,958 INFO L85 PathProgramCache]: Analyzing trace with hash -280837318, now seen corresponding path program 1 times [2025-02-08 09:40:08,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:08,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835517798] [2025-02-08 09:40:08,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:08,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:08,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-08 09:40:08,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-08 09:40:08,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:08,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:40:09,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:09,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835517798] [2025-02-08 09:40:09,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835517798] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:09,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:09,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:40:09,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439429023] [2025-02-08 09:40:09,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:09,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:09,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:09,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:09,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:40:09,022 INFO L87 Difference]: Start difference. First operand 244 states and 319 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:09,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:09,142 INFO L93 Difference]: Finished difference Result 255 states and 330 transitions. [2025-02-08 09:40:09,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:40:09,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 49 [2025-02-08 09:40:09,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:09,144 INFO L225 Difference]: With dead ends: 255 [2025-02-08 09:40:09,147 INFO L226 Difference]: Without dead ends: 238 [2025-02-08 09:40:09,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:09,148 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 51 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:09,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 131 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:09,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2025-02-08 09:40:09,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 229. [2025-02-08 09:40:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 180 states have (on average 1.4055555555555554) internal successors, (253), 199 states have internal predecessors, (253), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:40:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 301 transitions. [2025-02-08 09:40:09,176 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 301 transitions. Word has length 49 [2025-02-08 09:40:09,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:09,176 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 301 transitions. [2025-02-08 09:40:09,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:09,176 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 301 transitions. [2025-02-08 09:40:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-08 09:40:09,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:09,177 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:09,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:40:09,177 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:09,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:09,177 INFO L85 PathProgramCache]: Analyzing trace with hash -528827679, now seen corresponding path program 1 times [2025-02-08 09:40:09,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:09,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154149770] [2025-02-08 09:40:09,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:09,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:09,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:40:09,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:40:09,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:09,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:09,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:09,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154149770] [2025-02-08 09:40:09,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154149770] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:09,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089259931] [2025-02-08 09:40:09,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:09,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:09,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:09,277 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 09:40:09,278 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 09:40:09,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-08 09:40:09,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-08 09:40:09,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:09,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:09,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:40:09,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:09,389 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:09,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:09,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089259931] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:09,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:40:09,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-08 09:40:09,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646211873] [2025-02-08 09:40:09,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:09,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:40:09,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:09,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:40:09,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:40:09,446 INFO L87 Difference]: Start difference. First operand 229 states and 301 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:40:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:09,571 INFO L93 Difference]: Finished difference Result 363 states and 467 transitions. [2025-02-08 09:40:09,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:40:09,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 53 [2025-02-08 09:40:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:09,573 INFO L225 Difference]: With dead ends: 363 [2025-02-08 09:40:09,573 INFO L226 Difference]: Without dead ends: 361 [2025-02-08 09:40:09,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 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 09:40:09,574 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 160 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:09,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 235 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:09,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-08 09:40:09,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 298. [2025-02-08 09:40:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 240 states have (on average 1.4208333333333334) internal successors, (341), 259 states have internal predecessors, (341), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:40:09,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 407 transitions. [2025-02-08 09:40:09,597 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 407 transitions. Word has length 53 [2025-02-08 09:40:09,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:09,597 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 407 transitions. [2025-02-08 09:40:09,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:40:09,597 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 407 transitions. [2025-02-08 09:40:09,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-08 09:40:09,597 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:09,597 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:09,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:40:09,798 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 09:40:09,798 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:09,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:09,798 INFO L85 PathProgramCache]: Analyzing trace with hash 786173425, now seen corresponding path program 1 times [2025-02-08 09:40:09,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:09,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759456586] [2025-02-08 09:40:09,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:09,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:40:09,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:40:09,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:09,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:09,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:09,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759456586] [2025-02-08 09:40:09,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759456586] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:09,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22291778] [2025-02-08 09:40:09,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:09,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:09,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:09,898 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 09:40:09,902 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 09:40:09,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-08 09:40:09,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-08 09:40:09,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:09,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:09,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:40:09,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:09,980 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:40:09,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:10,057 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:10,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22291778] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:10,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:40:10,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-02-08 09:40:10,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730159840] [2025-02-08 09:40:10,058 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:10,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:40:10,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:10,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:40:10,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:40:10,059 INFO L87 Difference]: Start difference. First operand 298 states and 407 transitions. Second operand has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-08 09:40:10,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:10,254 INFO L93 Difference]: Finished difference Result 345 states and 450 transitions. [2025-02-08 09:40:10,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 09:40:10,254 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 54 [2025-02-08 09:40:10,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:10,256 INFO L225 Difference]: With dead ends: 345 [2025-02-08 09:40:10,256 INFO L226 Difference]: Without dead ends: 339 [2025-02-08 09:40:10,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:40:10,257 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 130 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:10,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 489 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:10,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-08 09:40:10,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 321. [2025-02-08 09:40:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 261 states have (on average 1.3946360153256705) internal successors, (364), 280 states have internal predecessors, (364), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:40:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 430 transitions. [2025-02-08 09:40:10,272 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 430 transitions. Word has length 54 [2025-02-08 09:40:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:10,273 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 430 transitions. [2025-02-08 09:40:10,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-08 09:40:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 430 transitions. [2025-02-08 09:40:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-08 09:40:10,273 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:10,273 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:10,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:40:10,474 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 09:40:10,474 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:10,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:10,475 INFO L85 PathProgramCache]: Analyzing trace with hash -2051181446, now seen corresponding path program 1 times [2025-02-08 09:40:10,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:10,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118222910] [2025-02-08 09:40:10,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:10,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:10,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:40:10,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:40:10,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:10,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:10,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412381500] [2025-02-08 09:40:10,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:10,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:10,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:10,487 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 09:40:10,488 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 09:40:10,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-08 09:40:10,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-08 09:40:10,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:10,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:10,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:40:10,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:10,635 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:10,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:10,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:10,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118222910] [2025-02-08 09:40:10,731 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:10,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412381500] [2025-02-08 09:40:10,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412381500] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:10,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:40:10,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-08 09:40:10,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395581036] [2025-02-08 09:40:10,731 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:10,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:40:10,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:10,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:40:10,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:40:10,733 INFO L87 Difference]: Start difference. First operand 321 states and 430 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:40:11,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:11,098 INFO L93 Difference]: Finished difference Result 366 states and 485 transitions. [2025-02-08 09:40:11,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:40:11,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 59 [2025-02-08 09:40:11,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:11,100 INFO L225 Difference]: With dead ends: 366 [2025-02-08 09:40:11,100 INFO L226 Difference]: Without dead ends: 360 [2025-02-08 09:40:11,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:40:11,100 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 246 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:11,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 209 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:40:11,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-02-08 09:40:11,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2025-02-08 09:40:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 264 states have (on average 1.3598484848484849) internal successors, (359), 283 states have internal predecessors, (359), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:40:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 425 transitions. [2025-02-08 09:40:11,136 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 425 transitions. Word has length 59 [2025-02-08 09:40:11,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:11,136 INFO L471 AbstractCegarLoop]: Abstraction has 324 states and 425 transitions. [2025-02-08 09:40:11,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:40:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 425 transitions. [2025-02-08 09:40:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:40:11,137 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:11,137 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:11,143 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 09:40:11,341 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 09:40:11,341 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:11,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:11,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1055280331, now seen corresponding path program 1 times [2025-02-08 09:40:11,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:11,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39304803] [2025-02-08 09:40:11,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:11,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:40:11,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:40:11,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:11,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:11,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:11,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39304803] [2025-02-08 09:40:11,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39304803] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:11,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833531659] [2025-02-08 09:40:11,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:11,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:11,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:11,450 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 09:40:11,454 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 09:40:11,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:40:11,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:40:11,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:11,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:11,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:40:11,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:40:11,613 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:11,758 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:40:11,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833531659] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:11,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:40:11,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-02-08 09:40:11,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908463621] [2025-02-08 09:40:11,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:11,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:40:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:11,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:40:11,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:40:11,760 INFO L87 Difference]: Start difference. First operand 324 states and 425 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-08 09:40:11,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:11,979 INFO L93 Difference]: Finished difference Result 512 states and 669 transitions. [2025-02-08 09:40:11,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:40:11,980 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 67 [2025-02-08 09:40:11,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:11,981 INFO L225 Difference]: With dead ends: 512 [2025-02-08 09:40:11,981 INFO L226 Difference]: Without dead ends: 362 [2025-02-08 09:40:11,982 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:40:11,982 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 86 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:11,982 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 510 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:11,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-08 09:40:12,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 348. [2025-02-08 09:40:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 284 states have (on average 1.3450704225352113) internal successors, (382), 303 states have internal predecessors, (382), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-08 09:40:12,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 454 transitions. [2025-02-08 09:40:12,004 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 454 transitions. Word has length 67 [2025-02-08 09:40:12,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:12,004 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 454 transitions. [2025-02-08 09:40:12,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-08 09:40:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 454 transitions. [2025-02-08 09:40:12,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:40:12,004 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:12,004 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:40:12,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:40:12,205 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 09:40:12,205 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:12,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:12,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1766212341, now seen corresponding path program 2 times [2025-02-08 09:40:12,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:12,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137970624] [2025-02-08 09:40:12,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:40:12,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:12,214 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 71 statements into 2 equivalence classes. [2025-02-08 09:40:12,224 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:40:12,224 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:40:12,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:12,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1463839112] [2025-02-08 09:40:12,225 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:40:12,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:12,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:12,231 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 09:40:12,235 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 09:40:12,262 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 71 statements into 2 equivalence classes. [2025-02-08 09:40:12,279 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:40:12,279 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:40:12,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:12,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:40:12,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:12,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:12,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:12,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137970624] [2025-02-08 09:40:12,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:12,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463839112] [2025-02-08 09:40:12,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463839112] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:12,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:12,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:40:12,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347356590] [2025-02-08 09:40:12,401 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:12,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:40:12,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:12,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:40:12,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:40:12,402 INFO L87 Difference]: Start difference. First operand 348 states and 454 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:40:12,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:12,533 INFO L93 Difference]: Finished difference Result 497 states and 638 transitions. [2025-02-08 09:40:12,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:40:12,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 71 [2025-02-08 09:40:12,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:12,536 INFO L225 Difference]: With dead ends: 497 [2025-02-08 09:40:12,536 INFO L226 Difference]: Without dead ends: 493 [2025-02-08 09:40:12,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 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 09:40:12,537 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 148 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:12,537 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 197 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:12,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-02-08 09:40:12,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 379. [2025-02-08 09:40:12,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 311 states have (on average 1.32475884244373) internal successors, (412), 330 states have internal predecessors, (412), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:40:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 492 transitions. [2025-02-08 09:40:12,573 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 492 transitions. Word has length 71 [2025-02-08 09:40:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:12,574 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 492 transitions. [2025-02-08 09:40:12,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:40:12,574 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 492 transitions. [2025-02-08 09:40:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-02-08 09:40:12,574 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:12,574 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:12,581 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 09:40:12,775 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 09:40:12,775 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:12,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:12,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1389263330, now seen corresponding path program 1 times [2025-02-08 09:40:12,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:12,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008106610] [2025-02-08 09:40:12,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:12,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:12,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-02-08 09:40:12,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-02-08 09:40:12,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:12,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-08 09:40:12,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:12,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008106610] [2025-02-08 09:40:12,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008106610] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:12,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:12,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:40:12,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933887511] [2025-02-08 09:40:12,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:12,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:40:12,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:12,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:40:12,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:12,827 INFO L87 Difference]: Start difference. First operand 379 states and 492 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:12,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:12,890 INFO L93 Difference]: Finished difference Result 379 states and 492 transitions. [2025-02-08 09:40:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:40:12,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 78 [2025-02-08 09:40:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:12,892 INFO L225 Difference]: With dead ends: 379 [2025-02-08 09:40:12,892 INFO L226 Difference]: Without dead ends: 378 [2025-02-08 09:40:12,892 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:40:12,892 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:12,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:40:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2025-02-08 09:40:12,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 378. [2025-02-08 09:40:12,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 311 states have (on average 1.3118971061093248) internal successors, (408), 329 states have internal predecessors, (408), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-08 09:40:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 488 transitions. [2025-02-08 09:40:12,912 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 488 transitions. Word has length 78 [2025-02-08 09:40:12,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:12,912 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 488 transitions. [2025-02-08 09:40:12,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 488 transitions. [2025-02-08 09:40:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-08 09:40:12,913 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:12,913 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:12,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-02-08 09:40:12,913 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:12,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:12,913 INFO L85 PathProgramCache]: Analyzing trace with hash 117490255, now seen corresponding path program 1 times [2025-02-08 09:40:12,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:12,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936510981] [2025-02-08 09:40:12,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:12,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:12,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-08 09:40:12,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-08 09:40:12,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:12,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-08 09:40:13,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:13,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936510981] [2025-02-08 09:40:13,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936510981] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:13,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:13,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:40:13,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871561608] [2025-02-08 09:40:13,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:13,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:40:13,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:13,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:40:13,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:40:13,023 INFO L87 Difference]: Start difference. First operand 378 states and 488 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:40:13,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:13,273 INFO L93 Difference]: Finished difference Result 578 states and 773 transitions. [2025-02-08 09:40:13,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:40:13,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 79 [2025-02-08 09:40:13,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:13,275 INFO L225 Difference]: With dead ends: 578 [2025-02-08 09:40:13,275 INFO L226 Difference]: Without dead ends: 577 [2025-02-08 09:40:13,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:40:13,276 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 117 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:13,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 275 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:40:13,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-02-08 09:40:13,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 516. [2025-02-08 09:40:13,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 435 states have (on average 1.367816091954023) internal successors, (595), 453 states have internal predecessors, (595), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-08 09:40:13,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 703 transitions. [2025-02-08 09:40:13,301 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 703 transitions. Word has length 79 [2025-02-08 09:40:13,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:13,301 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 703 transitions. [2025-02-08 09:40:13,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:40:13,301 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 703 transitions. [2025-02-08 09:40:13,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-08 09:40:13,302 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:13,302 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:13,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-08 09:40:13,302 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:13,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:13,302 INFO L85 PathProgramCache]: Analyzing trace with hash -652769408, now seen corresponding path program 1 times [2025-02-08 09:40:13,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:13,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292924680] [2025-02-08 09:40:13,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:13,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:13,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:40:13,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:40:13,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:13,312 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:13,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:13,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292924680] [2025-02-08 09:40:13,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292924680] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:13,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128060916] [2025-02-08 09:40:13,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:13,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:13,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:13,418 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 09:40:13,443 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 09:40:13,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-08 09:40:13,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-08 09:40:13,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:13,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:13,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:40:13,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-08 09:40:13,621 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:40:13,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128060916] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:13,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:13,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:40:13,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327234369] [2025-02-08 09:40:13,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:13,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:40:13,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:13,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:40:13,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:40:13,622 INFO L87 Difference]: Start difference. First operand 516 states and 703 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:13,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:13,787 INFO L93 Difference]: Finished difference Result 561 states and 752 transitions. [2025-02-08 09:40:13,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:40:13,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 80 [2025-02-08 09:40:13,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:13,789 INFO L225 Difference]: With dead ends: 561 [2025-02-08 09:40:13,789 INFO L226 Difference]: Without dead ends: 560 [2025-02-08 09:40:13,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:40:13,790 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:13,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 123 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:13,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2025-02-08 09:40:13,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 528. [2025-02-08 09:40:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 447 states have (on average 1.3579418344519016) internal successors, (607), 465 states have internal predecessors, (607), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-08 09:40:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 715 transitions. [2025-02-08 09:40:13,823 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 715 transitions. Word has length 80 [2025-02-08 09:40:13,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:13,823 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 715 transitions. [2025-02-08 09:40:13,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:13,823 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 715 transitions. [2025-02-08 09:40:13,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-08 09:40:13,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:13,824 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:13,829 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:40:14,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:14,025 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:14,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:14,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1238984813, now seen corresponding path program 1 times [2025-02-08 09:40:14,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:14,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44068725] [2025-02-08 09:40:14,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:14,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:14,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:40:14,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:40:14,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:14,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:14,133 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:14,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:14,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44068725] [2025-02-08 09:40:14,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44068725] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:14,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71540747] [2025-02-08 09:40:14,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:14,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:14,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:14,139 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 09:40:14,140 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 09:40:14,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-08 09:40:14,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-08 09:40:14,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:14,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:14,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:40:14,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:14,257 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-08 09:40:14,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:40:14,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71540747] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:14,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:14,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-08 09:40:14,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777343922] [2025-02-08 09:40:14,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:14,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:40:14,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:14,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:40:14,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:40:14,259 INFO L87 Difference]: Start difference. First operand 528 states and 715 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:14,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:14,383 INFO L93 Difference]: Finished difference Result 543 states and 728 transitions. [2025-02-08 09:40:14,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:40:14,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2025-02-08 09:40:14,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:14,386 INFO L225 Difference]: With dead ends: 543 [2025-02-08 09:40:14,386 INFO L226 Difference]: Without dead ends: 541 [2025-02-08 09:40:14,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:40:14,386 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 43 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:14,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 116 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:14,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2025-02-08 09:40:14,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 532. [2025-02-08 09:40:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 451 states have (on average 1.3458980044345898) internal successors, (607), 469 states have internal predecessors, (607), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-08 09:40:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 715 transitions. [2025-02-08 09:40:14,425 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 715 transitions. Word has length 81 [2025-02-08 09:40:14,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:14,425 INFO L471 AbstractCegarLoop]: Abstraction has 532 states and 715 transitions. [2025-02-08 09:40:14,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:14,426 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 715 transitions. [2025-02-08 09:40:14,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-08 09:40:14,426 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:14,426 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:14,432 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 09:40:14,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:14,630 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:14,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:14,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1883264477, now seen corresponding path program 1 times [2025-02-08 09:40:14,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:14,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358719573] [2025-02-08 09:40:14,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:14,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:14,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:40:14,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:40:14,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:14,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:14,716 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:40:14,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:14,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358719573] [2025-02-08 09:40:14,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358719573] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:14,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981386423] [2025-02-08 09:40:14,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:14,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:14,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:14,720 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 09:40:14,721 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 09:40:14,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-08 09:40:14,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-08 09:40:14,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:14,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:14,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:40:14,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-08 09:40:14,829 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:40:14,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981386423] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:14,943 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:40:14,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2025-02-08 09:40:14,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289400853] [2025-02-08 09:40:14,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:14,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:40:14,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:14,944 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:40:14,944 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:40:14,945 INFO L87 Difference]: Start difference. First operand 532 states and 715 transitions. Second operand has 18 states, 18 states have (on average 4.888888888888889) internal successors, (88), 18 states have internal predecessors, (88), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-02-08 09:40:15,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:15,251 INFO L93 Difference]: Finished difference Result 599 states and 785 transitions. [2025-02-08 09:40:15,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-02-08 09:40:15,251 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.888888888888889) internal successors, (88), 18 states have internal predecessors, (88), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 85 [2025-02-08 09:40:15,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:15,253 INFO L225 Difference]: With dead ends: 599 [2025-02-08 09:40:15,253 INFO L226 Difference]: Without dead ends: 587 [2025-02-08 09:40:15,254 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2025-02-08 09:40:15,254 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 164 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:15,255 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 664 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:15,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2025-02-08 09:40:15,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 560. [2025-02-08 09:40:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 474 states have (on average 1.3312236286919832) internal successors, (631), 492 states have internal predecessors, (631), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-08 09:40:15,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 745 transitions. [2025-02-08 09:40:15,285 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 745 transitions. Word has length 85 [2025-02-08 09:40:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:15,285 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 745 transitions. [2025-02-08 09:40:15,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.888888888888889) internal successors, (88), 18 states have internal predecessors, (88), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-02-08 09:40:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 745 transitions. [2025-02-08 09:40:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:40:15,286 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:15,286 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:15,292 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 09:40:15,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-08 09:40:15,491 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:15,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:15,492 INFO L85 PathProgramCache]: Analyzing trace with hash 687384068, now seen corresponding path program 1 times [2025-02-08 09:40:15,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:15,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965216915] [2025-02-08 09:40:15,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:15,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:15,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:40:15,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:40:15,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:15,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:15,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1018319208] [2025-02-08 09:40:15,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:15,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:15,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:15,512 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 09:40:15,513 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 09:40:15,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:40:15,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:40:15,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:15,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:15,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:40:15,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:15,866 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:15,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:16,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:16,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965216915] [2025-02-08 09:40:16,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:16,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018319208] [2025-02-08 09:40:16,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018319208] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:16,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:16,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:40:16,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397801002] [2025-02-08 09:40:16,216 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:16,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:40:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:16,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:40:16,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:40:16,217 INFO L87 Difference]: Start difference. First operand 560 states and 745 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:40:16,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:16,586 INFO L93 Difference]: Finished difference Result 629 states and 837 transitions. [2025-02-08 09:40:16,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:40:16,587 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2025-02-08 09:40:16,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:16,589 INFO L225 Difference]: With dead ends: 629 [2025-02-08 09:40:16,589 INFO L226 Difference]: Without dead ends: 628 [2025-02-08 09:40:16,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:40:16,589 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 65 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:16,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 319 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:40:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2025-02-08 09:40:16,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 600. [2025-02-08 09:40:16,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 510 states have (on average 1.3274509803921568) internal successors, (677), 528 states have internal predecessors, (677), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-02-08 09:40:16,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 799 transitions. [2025-02-08 09:40:16,619 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 799 transitions. Word has length 86 [2025-02-08 09:40:16,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:16,619 INFO L471 AbstractCegarLoop]: Abstraction has 600 states and 799 transitions. [2025-02-08 09:40:16,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:40:16,619 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 799 transitions. [2025-02-08 09:40:16,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:40:16,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:16,620 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:16,626 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 09:40:16,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-08 09:40:16,821 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:16,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:16,821 INFO L85 PathProgramCache]: Analyzing trace with hash -165930361, now seen corresponding path program 1 times [2025-02-08 09:40:16,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:16,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47216421] [2025-02-08 09:40:16,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:16,825 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:40:16,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:40:16,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:16,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:16,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111134244] [2025-02-08 09:40:16,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:16,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:16,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:16,837 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 09:40:16,838 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 09:40:16,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:40:16,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:40:16,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:16,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:16,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:40:16,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:17,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:17,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:17,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47216421] [2025-02-08 09:40:17,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:17,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111134244] [2025-02-08 09:40:17,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111134244] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:17,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:17,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:40:17,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786093428] [2025-02-08 09:40:17,432 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:17,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:40:17,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:17,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:40:17,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:40:17,433 INFO L87 Difference]: Start difference. First operand 600 states and 799 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:40:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:17,683 INFO L93 Difference]: Finished difference Result 656 states and 877 transitions. [2025-02-08 09:40:17,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:40:17,684 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2025-02-08 09:40:17,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:17,686 INFO L225 Difference]: With dead ends: 656 [2025-02-08 09:40:17,686 INFO L226 Difference]: Without dead ends: 655 [2025-02-08 09:40:17,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:40:17,687 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 65 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 397 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:17,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 257 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 397 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:40:17,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2025-02-08 09:40:17,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 640. [2025-02-08 09:40:17,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 546 states have (on average 1.3241758241758241) internal successors, (723), 564 states have internal predecessors, (723), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:40:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 853 transitions. [2025-02-08 09:40:17,718 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 853 transitions. Word has length 87 [2025-02-08 09:40:17,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:17,719 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 853 transitions. [2025-02-08 09:40:17,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:40:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 853 transitions. [2025-02-08 09:40:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 09:40:17,719 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:17,719 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:17,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:40:17,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:17,920 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:17,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:17,921 INFO L85 PathProgramCache]: Analyzing trace with hash -848873886, now seen corresponding path program 1 times [2025-02-08 09:40:17,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:17,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460250409] [2025-02-08 09:40:17,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:17,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:40:17,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:40:17,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:17,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:17,987 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-08 09:40:17,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:17,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460250409] [2025-02-08 09:40:17,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460250409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:17,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:17,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:40:17,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060639264] [2025-02-08 09:40:17,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:17,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:40:17,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:17,988 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:40:17,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:17,989 INFO L87 Difference]: Start difference. First operand 640 states and 853 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:18,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:18,125 INFO L93 Difference]: Finished difference Result 645 states and 860 transitions. [2025-02-08 09:40:18,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:40:18,125 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 88 [2025-02-08 09:40:18,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:18,128 INFO L225 Difference]: With dead ends: 645 [2025-02-08 09:40:18,129 INFO L226 Difference]: Without dead ends: 644 [2025-02-08 09:40:18,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:40:18,130 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 89 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:18,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 108 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:18,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2025-02-08 09:40:18,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 639. [2025-02-08 09:40:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 546 states have (on average 1.3095238095238095) internal successors, (715), 563 states have internal predecessors, (715), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:40:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 845 transitions. [2025-02-08 09:40:18,162 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 845 transitions. Word has length 88 [2025-02-08 09:40:18,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:18,162 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 845 transitions. [2025-02-08 09:40:18,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:40:18,162 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 845 transitions. [2025-02-08 09:40:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:40:18,164 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:18,164 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:18,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-02-08 09:40:18,165 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:18,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:18,166 INFO L85 PathProgramCache]: Analyzing trace with hash -545286683, now seen corresponding path program 1 times [2025-02-08 09:40:18,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:18,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51384218] [2025-02-08 09:40:18,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:18,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:18,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:40:18,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:40:18,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:18,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:18,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1882525446] [2025-02-08 09:40:18,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:18,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:18,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:18,189 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:40:18,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:40:18,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:40:18,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:40:18,236 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:18,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:18,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:40:18,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:18,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:40:20,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:20,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51384218] [2025-02-08 09:40:20,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:20,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882525446] [2025-02-08 09:40:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882525446] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:20,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:40:20,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-08 09:40:20,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627629662] [2025-02-08 09:40:20,848 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:20,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:40:20,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:20,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:40:20,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:40:20,849 INFO L87 Difference]: Start difference. First operand 639 states and 845 transitions. Second operand has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-08 09:40:25,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:25,220 INFO L93 Difference]: Finished difference Result 808 states and 1077 transitions. [2025-02-08 09:40:25,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-08 09:40:25,220 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 89 [2025-02-08 09:40:25,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:25,222 INFO L225 Difference]: With dead ends: 808 [2025-02-08 09:40:25,222 INFO L226 Difference]: Without dead ends: 658 [2025-02-08 09:40:25,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 09:40:25,223 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 330 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:25,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 320 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-02-08 09:40:25,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2025-02-08 09:40:25,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 594. [2025-02-08 09:40:25,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 507 states have (on average 1.3214990138067062) internal successors, (670), 524 states have internal predecessors, (670), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:40:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 788 transitions. [2025-02-08 09:40:25,263 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 788 transitions. Word has length 89 [2025-02-08 09:40:25,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:25,263 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 788 transitions. [2025-02-08 09:40:25,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2105263157894735) internal successors, (99), 20 states have internal predecessors, (99), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-08 09:40:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 788 transitions. [2025-02-08 09:40:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-02-08 09:40:25,264 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:25,264 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-08 09:40:25,270 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:40:25,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-08 09:40:25,468 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:25,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:25,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1440062877, now seen corresponding path program 3 times [2025-02-08 09:40:25,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:25,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014062683] [2025-02-08 09:40:25,468 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:40:25,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:25,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 6 equivalence classes. [2025-02-08 09:40:25,486 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 97 of 97 statements. [2025-02-08 09:40:25,488 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:40:25,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:25,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985581194] [2025-02-08 09:40:25,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:40:25,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:25,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:25,491 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:40:25,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:40:25,516 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 97 statements into 6 equivalence classes. [2025-02-08 09:40:25,547 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 54 of 97 statements. [2025-02-08 09:40:25,548 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:40:25,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:25,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:40:25,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:25,755 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 76 proven. 6 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-02-08 09:40:25,755 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 58 proven. 6 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2025-02-08 09:40:25,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:25,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014062683] [2025-02-08 09:40:25,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:25,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985581194] [2025-02-08 09:40:25,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985581194] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:25,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:40:25,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-02-08 09:40:25,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707656070] [2025-02-08 09:40:25,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:25,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:40:25,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:25,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:40:25,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:40:25,907 INFO L87 Difference]: Start difference. First operand 594 states and 788 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:40:30,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:40:34,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:40:38,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:40:39,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:40:43,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:40:47,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:40:48,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:48,230 INFO L93 Difference]: Finished difference Result 779 states and 1017 transitions. [2025-02-08 09:40:48,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:40:48,231 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) Word has length 97 [2025-02-08 09:40:48,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:48,233 INFO L225 Difference]: With dead ends: 779 [2025-02-08 09:40:48,233 INFO L226 Difference]: Without dead ends: 765 [2025-02-08 09:40:48,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:40:48,233 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 150 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 25 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:48,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 516 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 594 Invalid, 4 Unknown, 0 Unchecked, 22.1s Time] [2025-02-08 09:40:48,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2025-02-08 09:40:48,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 699. [2025-02-08 09:40:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 600 states have (on average 1.2833333333333334) internal successors, (770), 615 states have internal predecessors, (770), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-08 09:40:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 916 transitions. [2025-02-08 09:40:48,293 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 916 transitions. Word has length 97 [2025-02-08 09:40:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:48,293 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 916 transitions. [2025-02-08 09:40:48,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 12 states have internal predecessors, (51), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:40:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 916 transitions. [2025-02-08 09:40:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:40:48,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:48,294 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:48,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:40:48,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:40:48,496 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:48,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1617806865, now seen corresponding path program 1 times [2025-02-08 09:40:48,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:48,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601325244] [2025-02-08 09:40:48,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:48,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:40:48,510 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:40:48,510 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:48,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:48,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [948422111] [2025-02-08 09:40:48,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:48,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:48,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:48,514 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:40:48,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:40:48,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:40:48,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:40:48,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:48,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:48,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:40:48,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:40:48,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:49,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:49,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601325244] [2025-02-08 09:40:49,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:49,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948422111] [2025-02-08 09:40:49,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948422111] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:49,355 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:49,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:40:49,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682713876] [2025-02-08 09:40:49,355 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:40:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:49,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:40:49,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:40:49,356 INFO L87 Difference]: Start difference. First operand 699 states and 916 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:40:49,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:49,608 INFO L93 Difference]: Finished difference Result 704 states and 923 transitions. [2025-02-08 09:40:49,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:40:49,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 103 [2025-02-08 09:40:49,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:49,611 INFO L225 Difference]: With dead ends: 704 [2025-02-08 09:40:49,611 INFO L226 Difference]: Without dead ends: 703 [2025-02-08 09:40:49,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:40:49,611 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 29 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:49,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 311 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:40:49,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2025-02-08 09:40:49,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 700. [2025-02-08 09:40:49,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 601 states have (on average 1.2828618968386023) internal successors, (771), 616 states have internal predecessors, (771), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-08 09:40:49,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 917 transitions. [2025-02-08 09:40:49,651 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 917 transitions. Word has length 103 [2025-02-08 09:40:49,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:49,651 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 917 transitions. [2025-02-08 09:40:49,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:40:49,651 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 917 transitions. [2025-02-08 09:40:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-08 09:40:49,652 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:49,652 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:49,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:40:49,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:49,853 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:49,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:49,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1387594714, now seen corresponding path program 1 times [2025-02-08 09:40:49,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:49,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872088685] [2025-02-08 09:40:49,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:49,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:49,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:40:49,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:40:49,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:49,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:49,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [946580150] [2025-02-08 09:40:49,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:49,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:49,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:49,877 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:40:49,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:40:49,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-08 09:40:49,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-08 09:40:49,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:49,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:49,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:40:49,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:50,551 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-08 09:40:50,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:51,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:51,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872088685] [2025-02-08 09:40:51,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:40:51,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946580150] [2025-02-08 09:40:51,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946580150] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:51,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:40:51,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-08 09:40:51,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596845141] [2025-02-08 09:40:51,444 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:51,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:40:51,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:51,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:40:51,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:40:51,449 INFO L87 Difference]: Start difference. First operand 700 states and 917 transitions. Second operand has 13 states, 12 states have (on average 5.0) internal successors, (60), 13 states have internal predecessors, (60), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:40:51,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:51,924 INFO L93 Difference]: Finished difference Result 710 states and 928 transitions. [2025-02-08 09:40:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:40:51,924 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 13 states have internal predecessors, (60), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 104 [2025-02-08 09:40:51,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:51,926 INFO L225 Difference]: With dead ends: 710 [2025-02-08 09:40:51,926 INFO L226 Difference]: Without dead ends: 709 [2025-02-08 09:40:51,926 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:40:51,928 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 36 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:51,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 380 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:40:51,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2025-02-08 09:40:51,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 701. [2025-02-08 09:40:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 602 states have (on average 1.282392026578073) internal successors, (772), 617 states have internal predecessors, (772), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-08 09:40:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 918 transitions. [2025-02-08 09:40:51,971 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 918 transitions. Word has length 104 [2025-02-08 09:40:51,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:51,972 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 918 transitions. [2025-02-08 09:40:51,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.0) internal successors, (60), 13 states have internal predecessors, (60), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-08 09:40:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 918 transitions. [2025-02-08 09:40:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-08 09:40:51,974 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:51,974 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:51,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:40:52,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:52,175 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:52,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash 65763149, now seen corresponding path program 1 times [2025-02-08 09:40:52,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:52,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454411560] [2025-02-08 09:40:52,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:52,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-08 09:40:52,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-08 09:40:52,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:52,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:52,226 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-08 09:40:52,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:52,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454411560] [2025-02-08 09:40:52,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454411560] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:40:52,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:40:52,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:40:52,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302921090] [2025-02-08 09:40:52,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:40:52,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:40:52,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:52,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:40:52,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:40:52,228 INFO L87 Difference]: Start difference. First operand 701 states and 918 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:40:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:52,373 INFO L93 Difference]: Finished difference Result 701 states and 918 transitions. [2025-02-08 09:40:52,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:40:52,373 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2025-02-08 09:40:52,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:52,375 INFO L225 Difference]: With dead ends: 701 [2025-02-08 09:40:52,375 INFO L226 Difference]: Without dead ends: 700 [2025-02-08 09:40:52,375 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:40:52,376 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 57 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:52,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 136 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:40:52,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2025-02-08 09:40:52,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 697. [2025-02-08 09:40:52,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 599 states have (on average 1.2821368948247078) internal successors, (768), 613 states have internal predecessors, (768), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-08 09:40:52,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 914 transitions. [2025-02-08 09:40:52,432 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 914 transitions. Word has length 105 [2025-02-08 09:40:52,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:52,432 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 914 transitions. [2025-02-08 09:40:52,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 5 states have internal predecessors, (52), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:40:52,432 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 914 transitions. [2025-02-08 09:40:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-08 09:40:52,433 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:52,433 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2025-02-08 09:40:52,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2025-02-08 09:40:52,433 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:52,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:52,433 INFO L85 PathProgramCache]: Analyzing trace with hash 824007951, now seen corresponding path program 1 times [2025-02-08 09:40:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:52,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653154184] [2025-02-08 09:40:52,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:52,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:52,437 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:40:52,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:40:52,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:52,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:52,490 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:40:52,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:40:52,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653154184] [2025-02-08 09:40:52,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653154184] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:40:52,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892639374] [2025-02-08 09:40:52,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:52,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:52,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:52,494 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:40:52,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:40:52,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-08 09:40:52,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-08 09:40:52,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:52,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:52,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:40:52,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:52,584 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:40:52,584 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:40:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:40:52,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892639374] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:40:52,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:40:52,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:40:52,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938718895] [2025-02-08 09:40:52,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:40:52,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:40:52,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:40:52,684 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:40:52,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:40:52,684 INFO L87 Difference]: Start difference. First operand 697 states and 914 transitions. Second operand has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:40:52,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:40:52,917 INFO L93 Difference]: Finished difference Result 1350 states and 1744 transitions. [2025-02-08 09:40:52,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:40:52,917 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 107 [2025-02-08 09:40:52,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:40:52,921 INFO L225 Difference]: With dead ends: 1350 [2025-02-08 09:40:52,921 INFO L226 Difference]: Without dead ends: 1348 [2025-02-08 09:40:52,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:40:52,922 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 383 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:40:52,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 463 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:40:52,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1348 states. [2025-02-08 09:40:52,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1348 to 804. [2025-02-08 09:40:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 694 states have (on average 1.282420749279539) internal successors, (890), 708 states have internal predecessors, (890), 85 states have call successors, (85), 10 states have call predecessors, (85), 10 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-08 09:40:52,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1060 transitions. [2025-02-08 09:40:52,981 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1060 transitions. Word has length 107 [2025-02-08 09:40:52,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:40:52,982 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 1060 transitions. [2025-02-08 09:40:52,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.7) internal successors, (107), 11 states have internal predecessors, (107), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:40:52,982 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1060 transitions. [2025-02-08 09:40:52,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-08 09:40:52,983 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:40:52,984 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:40:52,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:40:53,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-08 09:40:53,188 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:40:53,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:40:53,189 INFO L85 PathProgramCache]: Analyzing trace with hash 2038657592, now seen corresponding path program 1 times [2025-02-08 09:40:53,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:40:53,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955618714] [2025-02-08 09:40:53,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:53,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:40:53,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:40:53,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:40:53,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:53,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:40:53,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606084359] [2025-02-08 09:40:53,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:40:53,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:40:53,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:40:53,209 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:40:53,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:40:53,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-08 09:40:53,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-08 09:40:53,253 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:40:53,253 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:40:53,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:40:53,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:40:53,476 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-08 09:40:53,477 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:01,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955618714] [2025-02-08 09:41:01,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:41:01,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606084359] [2025-02-08 09:41:01,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606084359] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:01,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:41:01,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:41:01,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651409006] [2025-02-08 09:41:01,585 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:01,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:41:01,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:01,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:41:01,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=63, Unknown=2, NotChecked=0, Total=90 [2025-02-08 09:41:01,586 INFO L87 Difference]: Start difference. First operand 804 states and 1060 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:41:01,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:01,851 INFO L93 Difference]: Finished difference Result 865 states and 1147 transitions. [2025-02-08 09:41:01,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:41:01,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2025-02-08 09:41:01,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:01,855 INFO L225 Difference]: With dead ends: 865 [2025-02-08 09:41:01,855 INFO L226 Difference]: Without dead ends: 856 [2025-02-08 09:41:01,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=25, Invalid=63, Unknown=2, NotChecked=0, Total=90 [2025-02-08 09:41:01,856 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 19 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:01,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 204 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:41:01,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2025-02-08 09:41:01,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 828. [2025-02-08 09:41:01,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 828 states, 714 states have (on average 1.280112044817927) internal successors, (914), 728 states have internal predecessors, (914), 89 states have call successors, (89), 10 states have call predecessors, (89), 10 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-02-08 09:41:01,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1092 transitions. [2025-02-08 09:41:01,918 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1092 transitions. Word has length 106 [2025-02-08 09:41:01,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:01,918 INFO L471 AbstractCegarLoop]: Abstraction has 828 states and 1092 transitions. [2025-02-08 09:41:01,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:41:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1092 transitions. [2025-02-08 09:41:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-02-08 09:41:01,920 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:01,920 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:01,930 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:41:02,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:41:02,121 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:02,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:02,121 INFO L85 PathProgramCache]: Analyzing trace with hash -413728710, now seen corresponding path program 1 times [2025-02-08 09:41:02,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:02,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847911756] [2025-02-08 09:41:02,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:02,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:02,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:41:02,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:41:02,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:02,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:02,262 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-08 09:41:02,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847911756] [2025-02-08 09:41:02,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847911756] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228198978] [2025-02-08 09:41:02,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:02,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:02,269 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:02,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:41:02,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-02-08 09:41:02,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-02-08 09:41:02,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:02,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:02,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:41:02,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:02,377 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:41:02,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:02,475 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-08 09:41:02,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228198978] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:41:02,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:41:02,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2025-02-08 09:41:02,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481018444] [2025-02-08 09:41:02,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:02,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:41:02,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:02,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:41:02,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:41:02,476 INFO L87 Difference]: Start difference. First operand 828 states and 1092 transitions. Second operand has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-02-08 09:41:03,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:03,129 INFO L93 Difference]: Finished difference Result 1294 states and 1740 transitions. [2025-02-08 09:41:03,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:41:03,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 109 [2025-02-08 09:41:03,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:03,133 INFO L225 Difference]: With dead ends: 1294 [2025-02-08 09:41:03,133 INFO L226 Difference]: Without dead ends: 1128 [2025-02-08 09:41:03,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:41:03,134 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 234 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:03,134 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 624 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:41:03,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2025-02-08 09:41:03,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 816. [2025-02-08 09:41:03,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 703 states have (on average 1.305832147937411) internal successors, (918), 717 states have internal predecessors, (918), 89 states have call successors, (89), 9 states have call predecessors, (89), 9 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-02-08 09:41:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1096 transitions. [2025-02-08 09:41:03,183 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1096 transitions. Word has length 109 [2025-02-08 09:41:03,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:03,183 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1096 transitions. [2025-02-08 09:41:03,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.333333333333334) internal successors, (136), 12 states have internal predecessors, (136), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-02-08 09:41:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1096 transitions. [2025-02-08 09:41:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:41:03,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:03,184 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:03,194 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-08 09:41:03,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:41:03,386 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:03,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:03,386 INFO L85 PathProgramCache]: Analyzing trace with hash -62675364, now seen corresponding path program 2 times [2025-02-08 09:41:03,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:03,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528786960] [2025-02-08 09:41:03,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:41:03,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:03,398 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 09:41:03,419 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:41:03,419 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:41:03,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:41:03,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964357230] [2025-02-08 09:41:03,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:41:03,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:03,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:03,422 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:03,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:41:03,449 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 112 statements into 2 equivalence classes. [2025-02-08 09:41:03,468 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:41:03,468 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:41:03,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:03,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:41:03,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:41:03,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:04,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:04,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528786960] [2025-02-08 09:41:04,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:41:04,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964357230] [2025-02-08 09:41:04,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964357230] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:04,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:41:04,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:41:04,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053678005] [2025-02-08 09:41:04,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:04,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:41:04,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:04,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:41:04,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:41:04,029 INFO L87 Difference]: Start difference. First operand 816 states and 1096 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:41:04,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:04,240 INFO L93 Difference]: Finished difference Result 1129 states and 1562 transitions. [2025-02-08 09:41:04,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:41:04,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2025-02-08 09:41:04,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:04,244 INFO L225 Difference]: With dead ends: 1129 [2025-02-08 09:41:04,244 INFO L226 Difference]: Without dead ends: 1127 [2025-02-08 09:41:04,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:41:04,245 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 107 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:04,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 238 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:41:04,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2025-02-08 09:41:04,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 814. [2025-02-08 09:41:04,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 703 states have (on average 1.2588904694167853) internal successors, (885), 715 states have internal predecessors, (885), 89 states have call successors, (89), 9 states have call predecessors, (89), 9 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-02-08 09:41:04,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1063 transitions. [2025-02-08 09:41:04,310 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1063 transitions. Word has length 112 [2025-02-08 09:41:04,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:04,310 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 1063 transitions. [2025-02-08 09:41:04,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:41:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1063 transitions. [2025-02-08 09:41:04,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-08 09:41:04,311 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:04,311 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:04,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:41:04,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:41:04,512 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:04,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:04,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1942936273, now seen corresponding path program 2 times [2025-02-08 09:41:04,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:04,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104962396] [2025-02-08 09:41:04,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:41:04,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:04,517 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-08 09:41:04,532 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:41:04,532 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:41:04,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:41:04,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1131624841] [2025-02-08 09:41:04,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:41:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:04,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:04,537 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:04,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:41:04,571 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-08 09:41:04,596 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-08 09:41:04,596 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:41:04,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:04,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:41:04,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:41:04,742 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:05,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:05,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104962396] [2025-02-08 09:41:05,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:41:05,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131624841] [2025-02-08 09:41:05,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131624841] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:05,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:41:05,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:41:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208372161] [2025-02-08 09:41:05,078 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:05,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:41:05,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:05,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:41:05,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:41:05,079 INFO L87 Difference]: Start difference. First operand 814 states and 1063 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:41:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:05,230 INFO L93 Difference]: Finished difference Result 1050 states and 1366 transitions. [2025-02-08 09:41:05,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:41:05,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2025-02-08 09:41:05,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:05,233 INFO L225 Difference]: With dead ends: 1050 [2025-02-08 09:41:05,233 INFO L226 Difference]: Without dead ends: 895 [2025-02-08 09:41:05,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:41:05,234 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 108 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:05,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 255 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:41:05,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2025-02-08 09:41:05,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 877. [2025-02-08 09:41:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 877 states, 758 states have (on average 1.2519788918205805) internal successors, (949), 770 states have internal predecessors, (949), 97 states have call successors, (97), 9 states have call predecessors, (97), 9 states have return successors, (97), 97 states have call predecessors, (97), 97 states have call successors, (97) [2025-02-08 09:41:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1143 transitions. [2025-02-08 09:41:05,292 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1143 transitions. Word has length 113 [2025-02-08 09:41:05,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:05,292 INFO L471 AbstractCegarLoop]: Abstraction has 877 states and 1143 transitions. [2025-02-08 09:41:05,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:41:05,293 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1143 transitions. [2025-02-08 09:41:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-08 09:41:05,293 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:05,294 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2025-02-08 09:41:05,300 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:41:05,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:41:05,494 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:05,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:05,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1850987225, now seen corresponding path program 2 times [2025-02-08 09:41:05,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:05,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093229682] [2025-02-08 09:41:05,495 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:41:05,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:05,502 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-02-08 09:41:05,503 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 131 statements. [2025-02-08 09:41:05,503 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:41:05,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:05,516 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:41:05,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:05,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093229682] [2025-02-08 09:41:05,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093229682] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:05,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730078360] [2025-02-08 09:41:05,516 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:41:05,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:05,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:05,520 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:05,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:41:05,544 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 131 statements into 2 equivalence classes. [2025-02-08 09:41:05,549 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 15 of 131 statements. [2025-02-08 09:41:05,549 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:41:05,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:05,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:41:05,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:41:05,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:41:05,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730078360] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:41:05,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:41:05,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-08 09:41:05,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364746568] [2025-02-08 09:41:05,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:05,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:41:05,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:05,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:41:05,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:41:05,729 INFO L87 Difference]: Start difference. First operand 877 states and 1143 transitions. Second operand has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:41:05,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:05,871 INFO L93 Difference]: Finished difference Result 923 states and 1203 transitions. [2025-02-08 09:41:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:41:05,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 131 [2025-02-08 09:41:05,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:05,874 INFO L225 Difference]: With dead ends: 923 [2025-02-08 09:41:05,874 INFO L226 Difference]: Without dead ends: 921 [2025-02-08 09:41:05,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:41:05,874 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 169 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:05,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 155 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:41:05,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2025-02-08 09:41:05,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 675. [2025-02-08 09:41:05,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 578 states have (on average 1.2283737024221453) internal successors, (710), 588 states have internal predecessors, (710), 77 states have call successors, (77), 9 states have call predecessors, (77), 9 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-02-08 09:41:05,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 864 transitions. [2025-02-08 09:41:05,920 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 864 transitions. Word has length 131 [2025-02-08 09:41:05,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:05,920 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 864 transitions. [2025-02-08 09:41:05,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.0) internal successors, (35), 6 states have internal predecessors, (35), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:41:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 864 transitions. [2025-02-08 09:41:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-02-08 09:41:05,921 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:05,921 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:05,929 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:41:06,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:41:06,121 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:06,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:06,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1405093489, now seen corresponding path program 1 times [2025-02-08 09:41:06,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:06,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920934136] [2025-02-08 09:41:06,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:06,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:06,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 09:41:06,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 09:41:06,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:06,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:41:06,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:06,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920934136] [2025-02-08 09:41:06,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920934136] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:06,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [867278473] [2025-02-08 09:41:06,275 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:06,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:06,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:06,277 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:06,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:41:06,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-02-08 09:41:06,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-02-08 09:41:06,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:06,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:06,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:41:06,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:06,438 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-08 09:41:06,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-08 09:41:06,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [867278473] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:41:06,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:41:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2025-02-08 09:41:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704632498] [2025-02-08 09:41:06,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:06,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-08 09:41:06,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:06,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-08 09:41:06,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:41:06,650 INFO L87 Difference]: Start difference. First operand 675 states and 864 transitions. Second operand has 26 states, 25 states have (on average 5.68) internal successors, (142), 26 states have internal predecessors, (142), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-02-08 09:41:07,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:07,137 INFO L93 Difference]: Finished difference Result 931 states and 1167 transitions. [2025-02-08 09:41:07,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-02-08 09:41:07,138 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.68) internal successors, (142), 26 states have internal predecessors, (142), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 132 [2025-02-08 09:41:07,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:07,140 INFO L225 Difference]: With dead ends: 931 [2025-02-08 09:41:07,140 INFO L226 Difference]: Without dead ends: 919 [2025-02-08 09:41:07,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2025-02-08 09:41:07,143 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 207 mSDsluCounter, 702 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:07,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 759 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:41:07,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2025-02-08 09:41:07,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 887. [2025-02-08 09:41:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 769 states have (on average 1.198959687906372) internal successors, (922), 779 states have internal predecessors, (922), 93 states have call successors, (93), 14 states have call predecessors, (93), 14 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-08 09:41:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1108 transitions. [2025-02-08 09:41:07,216 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1108 transitions. Word has length 132 [2025-02-08 09:41:07,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:07,217 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1108 transitions. [2025-02-08 09:41:07,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.68) internal successors, (142), 26 states have internal predecessors, (142), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-02-08 09:41:07,217 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1108 transitions. [2025-02-08 09:41:07,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-08 09:41:07,218 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:07,218 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:07,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:41:07,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:41:07,419 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:07,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash -144610752, now seen corresponding path program 1 times [2025-02-08 09:41:07,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:07,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530568569] [2025-02-08 09:41:07,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:07,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:07,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 09:41:07,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 09:41:07,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:07,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:41:07,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:07,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530568569] [2025-02-08 09:41:07,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530568569] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:07,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376149523] [2025-02-08 09:41:07,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:07,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:07,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:07,662 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:07,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:41:07,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 09:41:07,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 09:41:07,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:07,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:07,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:41:07,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:41:07,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:09,207 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:41:09,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376149523] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:41:09,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:41:09,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-08 09:41:09,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082199881] [2025-02-08 09:41:09,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:09,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:41:09,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:09,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:41:09,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:41:09,209 INFO L87 Difference]: Start difference. First operand 887 states and 1108 transitions. Second operand has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:41:10,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:10,296 INFO L93 Difference]: Finished difference Result 1348 states and 1708 transitions. [2025-02-08 09:41:10,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:41:10,296 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 137 [2025-02-08 09:41:10,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:10,299 INFO L225 Difference]: With dead ends: 1348 [2025-02-08 09:41:10,300 INFO L226 Difference]: Without dead ends: 1346 [2025-02-08 09:41:10,301 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=447, Invalid=743, Unknown=0, NotChecked=0, Total=1190 [2025-02-08 09:41:10,302 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 690 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 843 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:10,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 761 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 843 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:41:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2025-02-08 09:41:10,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1170. [2025-02-08 09:41:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1170 states, 1028 states have (on average 1.2071984435797665) internal successors, (1241), 1038 states have internal predecessors, (1241), 117 states have call successors, (117), 14 states have call predecessors, (117), 14 states have return successors, (117), 117 states have call predecessors, (117), 117 states have call successors, (117) [2025-02-08 09:41:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 1170 states and 1475 transitions. [2025-02-08 09:41:10,388 INFO L78 Accepts]: Start accepts. Automaton has 1170 states and 1475 transitions. Word has length 137 [2025-02-08 09:41:10,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:10,389 INFO L471 AbstractCegarLoop]: Abstraction has 1170 states and 1475 transitions. [2025-02-08 09:41:10,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.238095238095237) internal successors, (215), 22 states have internal predecessors, (215), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:41:10,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1475 transitions. [2025-02-08 09:41:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 09:41:10,398 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:10,398 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:10,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:41:10,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:41:10,599 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:10,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:10,599 INFO L85 PathProgramCache]: Analyzing trace with hash -126890519, now seen corresponding path program 1 times [2025-02-08 09:41:10,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:10,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991005652] [2025-02-08 09:41:10,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:10,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:10,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:41:10,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:41:10,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:10,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:41:10,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991005652] [2025-02-08 09:41:10,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991005652] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:10,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488987923] [2025-02-08 09:41:10,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:41:10,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:10,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:10,745 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:10,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:41:10,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:41:10,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:41:10,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:41:10,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:10,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:41:10,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:10,908 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:41:10,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:11,116 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:41:11,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488987923] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:41:11,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:41:11,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 26 [2025-02-08 09:41:11,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307460428] [2025-02-08 09:41:11,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:11,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-08 09:41:11,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:11,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-08 09:41:11,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:41:11,118 INFO L87 Difference]: Start difference. First operand 1170 states and 1475 transitions. Second operand has 26 states, 26 states have (on average 6.269230769230769) internal successors, (163), 26 states have internal predecessors, (163), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2025-02-08 09:41:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:41:11,624 INFO L93 Difference]: Finished difference Result 1652 states and 2086 transitions. [2025-02-08 09:41:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-02-08 09:41:11,624 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.269230769230769) internal successors, (163), 26 states have internal predecessors, (163), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) Word has length 138 [2025-02-08 09:41:11,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:41:11,628 INFO L225 Difference]: With dead ends: 1652 [2025-02-08 09:41:11,628 INFO L226 Difference]: Without dead ends: 1644 [2025-02-08 09:41:11,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=608, Invalid=2044, Unknown=0, NotChecked=0, Total=2652 [2025-02-08 09:41:11,630 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 208 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:41:11,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 852 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:41:11,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2025-02-08 09:41:11,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1603. [2025-02-08 09:41:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1603 states, 1424 states have (on average 1.1839887640449438) internal successors, (1686), 1434 states have internal predecessors, (1686), 149 states have call successors, (149), 19 states have call predecessors, (149), 19 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2025-02-08 09:41:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 1603 states and 1984 transitions. [2025-02-08 09:41:11,748 INFO L78 Accepts]: Start accepts. Automaton has 1603 states and 1984 transitions. Word has length 138 [2025-02-08 09:41:11,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:41:11,748 INFO L471 AbstractCegarLoop]: Abstraction has 1603 states and 1984 transitions. [2025-02-08 09:41:11,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 6.269230769230769) internal successors, (163), 26 states have internal predecessors, (163), 10 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 10 states have call predecessors, (39), 10 states have call successors, (39) [2025-02-08 09:41:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 1984 transitions. [2025-02-08 09:41:11,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-02-08 09:41:11,749 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:41:11,749 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:41:11,755 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-08 09:41:11,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:11,950 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-08 09:41:11,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:41:11,952 INFO L85 PathProgramCache]: Analyzing trace with hash -908022313, now seen corresponding path program 3 times [2025-02-08 09:41:11,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:41:11,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446089980] [2025-02-08 09:41:11,953 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:41:11,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:41:11,957 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 139 statements into 6 equivalence classes. [2025-02-08 09:41:11,986 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 139 of 139 statements. [2025-02-08 09:41:11,989 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:41:11,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:41:11,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524888008] [2025-02-08 09:41:11,991 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:41:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:41:11,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:41:11,995 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:41:12,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:41:12,024 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 139 statements into 6 equivalence classes. [2025-02-08 09:41:12,038 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 49 of 139 statements. [2025-02-08 09:41:12,038 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:41:12,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:41:12,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:41:12,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:41:40,529 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 39 proven. 44 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2025-02-08 09:41:40,530 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:41:40,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:41:40,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446089980] [2025-02-08 09:41:40,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:41:40,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524888008] [2025-02-08 09:41:40,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524888008] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:41:40,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:41:40,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:41:40,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301037619] [2025-02-08 09:41:40,851 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:41:40,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:41:40,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:41:40,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:41:40,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=161, Unknown=1, NotChecked=0, Total=210 [2025-02-08 09:41:40,852 INFO L87 Difference]: Start difference. First operand 1603 states and 1984 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8)