./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-bwb/and-02-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-bwb/and-02-false.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6684a8ca2453ef662366f4da66fbb75d23a4edf014c7205fa9be4e6b0c90683 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:22:52,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:22:52,869 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 13:22:52,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:22:52,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:22:52,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:22:52,890 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:22:52,890 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:22:52,891 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:22:52,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:22:52,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:22:52,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:22:52,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:22:52,892 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:22:52,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:22:52,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:22:52,893 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6684a8ca2453ef662366f4da66fbb75d23a4edf014c7205fa9be4e6b0c90683 [2025-02-06 13:22:53,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:22:53,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:22:53,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:22:53,139 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:22:53,139 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:22:53,141 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-bwb/and-02-false.c [2025-02-06 13:22:54,323 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f95eace5/586ae7904b1e4b838e0e25ff3b0c7523/FLAG85f724953 [2025-02-06 13:22:54,587 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:22:54,591 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-bwb/and-02-false.c [2025-02-06 13:22:54,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f95eace5/586ae7904b1e4b838e0e25ff3b0c7523/FLAG85f724953 [2025-02-06 13:22:54,899 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f95eace5/586ae7904b1e4b838e0e25ff3b0c7523 [2025-02-06 13:22:54,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:22:54,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:22:54,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:22:54,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:22:54,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:22:54,910 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:22:54" (1/1) ... [2025-02-06 13:22:54,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4366b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:54, skipping insertion in model container [2025-02-06 13:22:54,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:22:54" (1/1) ... [2025-02-06 13:22:54,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:22:55,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:22:55,026 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:22:55,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:22:55,045 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:22:55,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55 WrapperNode [2025-02-06 13:22:55,046 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:22:55,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:22:55,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:22:55,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:22:55,053 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,068 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2025-02-06 13:22:55,068 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:22:55,069 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:22:55,069 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:22:55,069 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:22:55,074 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,075 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,081 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 13:22:55,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:22:55,089 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:22:55,091 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:22:55,091 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:22:55,092 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (1/1) ... [2025-02-06 13:22:55,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:22:55,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:22:55,130 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) [2025-02-06 13:22:55,135 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 [2025-02-06 13:22:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:22:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:22:55,203 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:22:55,205 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:22:55,282 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2025-02-06 13:22:55,282 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:22:55,295 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:22:55,295 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:22:55,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:22:55 BoogieIcfgContainer [2025-02-06 13:22:55,297 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:22:55,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:22:55,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:22:55,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:22:55,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:22:54" (1/3) ... [2025-02-06 13:22:55,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479f7b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:22:55, skipping insertion in model container [2025-02-06 13:22:55,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:22:55" (2/3) ... [2025-02-06 13:22:55,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@479f7b84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:22:55, skipping insertion in model container [2025-02-06 13:22:55,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:22:55" (3/3) ... [2025-02-06 13:22:55,309 INFO L128 eAbstractionObserver]: Analyzing ICFG and-02-false.c [2025-02-06 13:22:55,322 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:22:55,324 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG and-02-false.c that has 1 procedures, 19 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2025-02-06 13:22:55,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:22:55,418 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;@6ddf2a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:22:55,419 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-06 13:22:55,426 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-06 13:22:55,433 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:55,434 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-06 13:22:55,434 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:55,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:55,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1599743, now seen corresponding path program 1 times [2025-02-06 13:22:55,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:55,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924044063] [2025-02-06 13:22:55,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:22:55,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:55,555 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 13:22:55,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 13:22:55,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:22:55,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:55,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:55,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:22:55,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924044063] [2025-02-06 13:22:55,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924044063] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:22:55,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:22:55,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:22:55,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421961978] [2025-02-06 13:22:55,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:22:55,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:22:55,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:22:55,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:22:55,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:22:55,717 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:22:55,752 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2025-02-06 13:22:55,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:22:55,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-06 13:22:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:22:55,757 INFO L225 Difference]: With dead ends: 24 [2025-02-06 13:22:55,757 INFO L226 Difference]: Without dead ends: 19 [2025-02-06 13:22:55,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:22:55,761 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:22:55,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 42 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:22:55,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-06 13:22:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2025-02-06 13:22:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.5) internal successors, (21), 17 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2025-02-06 13:22:55,785 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 4 [2025-02-06 13:22:55,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:22:55,786 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2025-02-06 13:22:55,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2025-02-06 13:22:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-06 13:22:55,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:55,787 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-06 13:22:55,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:22:55,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:55,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:55,788 INFO L85 PathProgramCache]: Analyzing trace with hash 49592019, now seen corresponding path program 1 times [2025-02-06 13:22:55,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:55,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295172748] [2025-02-06 13:22:55,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:22:55,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:55,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-06 13:22:55,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-06 13:22:55,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:22:55,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:55,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:22:55,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295172748] [2025-02-06 13:22:55,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295172748] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:22:55,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:22:55,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:22:55,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277567382] [2025-02-06 13:22:55,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:22:55,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:22:55,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:22:55,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:22:55,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:22:55,842 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:22:55,880 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2025-02-06 13:22:55,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:22:55,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-06 13:22:55,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:22:55,881 INFO L225 Difference]: With dead ends: 18 [2025-02-06 13:22:55,881 INFO L226 Difference]: Without dead ends: 17 [2025-02-06 13:22:55,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:22:55,882 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:22:55,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 18 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:22:55,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-06 13:22:55,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-06 13:22:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2025-02-06 13:22:55,888 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 5 [2025-02-06 13:22:55,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:22:55,888 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2025-02-06 13:22:55,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2025-02-06 13:22:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:22:55,888 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:55,888 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:22:55,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:22:55,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:55,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:55,889 INFO L85 PathProgramCache]: Analyzing trace with hash 413289489, now seen corresponding path program 1 times [2025-02-06 13:22:55,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:55,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018471061] [2025-02-06 13:22:55,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:22:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:55,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:22:55,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:22:55,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:22:55,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:55,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:55,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:22:55,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018471061] [2025-02-06 13:22:55,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1018471061] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:22:55,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:22:55,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:22:55,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883177098] [2025-02-06 13:22:55,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:22:55,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:22:55,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:22:55,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:22:55,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:22:55,934 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:22:55,952 INFO L93 Difference]: Finished difference Result 26 states and 32 transitions. [2025-02-06 13:22:55,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:22:55,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 13:22:55,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:22:55,954 INFO L225 Difference]: With dead ends: 26 [2025-02-06 13:22:55,954 INFO L226 Difference]: Without dead ends: 13 [2025-02-06 13:22:55,954 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 [2025-02-06 13:22:55,955 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:22:55,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:22:55,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2025-02-06 13:22:55,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2025-02-06 13:22:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2025-02-06 13:22:55,960 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2025-02-06 13:22:55,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:22:55,961 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2025-02-06 13:22:55,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2025-02-06 13:22:55,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 13:22:55,961 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:55,961 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:22:55,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:22:55,961 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:55,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:55,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1363411909, now seen corresponding path program 1 times [2025-02-06 13:22:55,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:55,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719513415] [2025-02-06 13:22:55,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:22:55,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:55,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:22:55,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:22:55,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:22:55,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:56,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:22:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719513415] [2025-02-06 13:22:56,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719513415] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:22:56,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348961580] [2025-02-06 13:22:56,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:22:56,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:22:56,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:22:56,026 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) [2025-02-06 13:22:56,027 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 [2025-02-06 13:22:56,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:22:56,054 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:22:56,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:22:56,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:56,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:22:56,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:22:56,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:56,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:22:56,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:56,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348961580] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:22:56,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:22:56,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 13:22:56,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831485256] [2025-02-06 13:22:56,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:22:56,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:22:56,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:22:56,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:22:56,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:22:56,144 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:56,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:22:56,196 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2025-02-06 13:22:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:22:56,197 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-06 13:22:56,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:22:56,197 INFO L225 Difference]: With dead ends: 38 [2025-02-06 13:22:56,197 INFO L226 Difference]: Without dead ends: 37 [2025-02-06 13:22:56,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:22:56,198 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 21 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:22:56,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 20 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:22:56,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-06 13:22:56,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-02-06 13:22:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.25) internal successors, (45), 36 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:56,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2025-02-06 13:22:56,202 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 10 [2025-02-06 13:22:56,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:22:56,202 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2025-02-06 13:22:56,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.111111111111111) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2025-02-06 13:22:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:22:56,203 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:56,203 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 1, 1, 1] [2025-02-06 13:22:56,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:22:56,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:22:56,404 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:56,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:56,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1667004433, now seen corresponding path program 2 times [2025-02-06 13:22:56,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:56,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207763751] [2025-02-06 13:22:56,405 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:22:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:56,410 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 2 equivalence classes. [2025-02-06 13:22:56,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:22:56,417 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:22:56,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:56,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:22:56,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207763751] [2025-02-06 13:22:56,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207763751] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:22:56,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990302832] [2025-02-06 13:22:56,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:22:56,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:22:56,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:22:56,630 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) [2025-02-06 13:22:56,631 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 [2025-02-06 13:22:56,660 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 28 statements into 2 equivalence classes. [2025-02-06 13:22:56,677 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:22:56,677 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:22:56,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:56,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 13:22:56,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:22:56,755 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:56,756 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:22:56,906 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:56,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990302832] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:22:56,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:22:56,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2025-02-06 13:22:56,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938710016] [2025-02-06 13:22:56,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:22:56,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:22:56,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:22:56,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:22:56,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:22:56,908 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:57,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:22:57,006 INFO L93 Difference]: Finished difference Result 86 states and 111 transitions. [2025-02-06 13:22:57,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 13:22:57,006 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2025-02-06 13:22:57,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:22:57,007 INFO L225 Difference]: With dead ends: 86 [2025-02-06 13:22:57,007 INFO L226 Difference]: Without dead ends: 85 [2025-02-06 13:22:57,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:22:57,008 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 73 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:22:57,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 40 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:22:57,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-02-06 13:22:57,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2025-02-06 13:22:57,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.25) internal successors, (105), 84 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 105 transitions. [2025-02-06 13:22:57,013 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 105 transitions. Word has length 28 [2025-02-06 13:22:57,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:22:57,013 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 105 transitions. [2025-02-06 13:22:57,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.619047619047619) internal successors, (55), 22 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:57,013 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 105 transitions. [2025-02-06 13:22:57,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-06 13:22:57,017 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:57,017 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 1, 1, 1] [2025-02-06 13:22:57,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:22:57,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:22:57,221 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:57,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash -706097065, now seen corresponding path program 3 times [2025-02-06 13:22:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:57,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155150754] [2025-02-06 13:22:57,222 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:22:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:57,228 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 11 equivalence classes. [2025-02-06 13:22:57,241 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:22:57,242 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:22:57,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:57,655 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:57,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:22:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155150754] [2025-02-06 13:22:57,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155150754] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:22:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969228022] [2025-02-06 13:22:57,655 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:22:57,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:22:57,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:22:57,657 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) [2025-02-06 13:22:57,659 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 [2025-02-06 13:22:57,680 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 11 equivalence classes. [2025-02-06 13:22:57,697 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 64 of 64 statements. [2025-02-06 13:22:57,697 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 13:22:57,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:22:57,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 13:22:57,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:22:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:57,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:22:58,263 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:22:58,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969228022] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:22:58,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:22:58,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2025-02-06 13:22:58,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960316127] [2025-02-06 13:22:58,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:22:58,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-02-06 13:22:58,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:22:58,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-02-06 13:22:58,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-02-06 13:22:58,266 INFO L87 Difference]: Start difference. First operand 85 states and 105 transitions. Second operand has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:58,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:22:58,462 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2025-02-06 13:22:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-02-06 13:22:58,462 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 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 64 [2025-02-06 13:22:58,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:22:58,463 INFO L225 Difference]: With dead ends: 182 [2025-02-06 13:22:58,463 INFO L226 Difference]: Without dead ends: 181 [2025-02-06 13:22:58,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2025-02-06 13:22:58,465 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 289 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:22:58,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 60 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:22:58,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-02-06 13:22:58,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2025-02-06 13:22:58,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 180 states have (on average 1.25) internal successors, (225), 180 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:58,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 225 transitions. [2025-02-06 13:22:58,474 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 225 transitions. Word has length 64 [2025-02-06 13:22:58,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:22:58,474 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 225 transitions. [2025-02-06 13:22:58,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 2.8222222222222224) internal successors, (127), 46 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:22:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 225 transitions. [2025-02-06 13:22:58,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 13:22:58,477 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:22:58,477 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 1, 1, 1] [2025-02-06 13:22:58,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:22:58,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:22:58,678 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:22:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:22:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash 753804583, now seen corresponding path program 4 times [2025-02-06 13:22:58,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:22:58,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557040463] [2025-02-06 13:22:58,679 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:22:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:22:58,687 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 136 statements into 2 equivalence classes. [2025-02-06 13:22:58,710 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 13:22:58,710 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:22:58,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:00,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:00,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:23:00,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557040463] [2025-02-06 13:23:00,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557040463] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:23:00,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171963278] [2025-02-06 13:23:00,022 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:23:00,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:23:00,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:23:00,029 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) [2025-02-06 13:23:00,030 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 [2025-02-06 13:23:00,084 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 136 statements into 2 equivalence classes. [2025-02-06 13:23:00,138 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 13:23:00,138 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:23:00,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:00,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-02-06 13:23:00,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:23:00,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:00,337 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:23:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1430 backedges. 0 proven. 1430 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:02,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171963278] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:23:02,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:23:02,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95 [2025-02-06 13:23:02,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410001356] [2025-02-06 13:23:02,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:23:02,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-06 13:23:02,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:23:02,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-06 13:23:02,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2025-02-06 13:23:02,472 INFO L87 Difference]: Start difference. First operand 181 states and 225 transitions. Second operand has 96 states, 95 states have (on average 2.8947368421052633) internal successors, (275), 96 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:23:03,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:23:03,031 INFO L93 Difference]: Finished difference Result 563 states and 727 transitions. [2025-02-06 13:23:03,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-02-06 13:23:03,031 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 2.8947368421052633) internal successors, (275), 96 states have internal predecessors, (275), 0 states have call successors, (0), 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 136 [2025-02-06 13:23:03,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:23:03,034 INFO L225 Difference]: With dead ends: 563 [2025-02-06 13:23:03,034 INFO L226 Difference]: Without dead ends: 562 [2025-02-06 13:23:03,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2823 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120 [2025-02-06 13:23:03,040 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 451 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:23:03,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 119 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:23:03,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2025-02-06 13:23:03,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 371. [2025-02-06 13:23:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 371 states, 370 states have (on average 1.2486486486486486) internal successors, (462), 370 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:23:03,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 462 transitions. [2025-02-06 13:23:03,065 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 462 transitions. Word has length 136 [2025-02-06 13:23:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:23:03,065 INFO L471 AbstractCegarLoop]: Abstraction has 371 states and 462 transitions. [2025-02-06 13:23:03,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 2.8947368421052633) internal successors, (275), 96 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:23:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 462 transitions. [2025-02-06 13:23:03,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-02-06 13:23:03,072 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:23:03,072 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 1, 1, 1] [2025-02-06 13:23:03,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:23:03,273 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,SelfDestructingSolverStorable6 [2025-02-06 13:23:03,274 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:23:03,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:23:03,275 INFO L85 PathProgramCache]: Analyzing trace with hash 590208711, now seen corresponding path program 5 times [2025-02-06 13:23:03,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:23:03,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390351094] [2025-02-06 13:23:03,275 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:23:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:23:03,289 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 280 statements into 47 equivalence classes. [2025-02-06 13:23:03,435 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 280 of 280 statements. [2025-02-06 13:23:03,436 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 13:23:03,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:07,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:23:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390351094] [2025-02-06 13:23:07,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390351094] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:23:07,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309992481] [2025-02-06 13:23:07,946 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:23:07,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:23:07,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:23:07,948 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) [2025-02-06 13:23:07,951 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 [2025-02-06 13:23:07,985 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 280 statements into 47 equivalence classes. [2025-02-06 13:23:08,124 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 280 of 280 statements. [2025-02-06 13:23:08,125 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 13:23:08,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:08,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-02-06 13:23:08,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:23:08,447 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:08,448 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:23:13,807 INFO L134 CoverageAnalysis]: Checked inductivity of 6302 backedges. 0 proven. 6302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:13,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309992481] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:23:13,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:23:13,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 95, 95] total 189 [2025-02-06 13:23:13,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474414176] [2025-02-06 13:23:13,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:23:13,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 190 states [2025-02-06 13:23:13,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:23:13,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2025-02-06 13:23:13,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-02-06 13:23:13,817 INFO L87 Difference]: Start difference. First operand 371 states and 462 transitions. Second operand has 190 states, 189 states have (on average 2.9576719576719577) internal successors, (559), 190 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:23:15,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:23:15,728 INFO L93 Difference]: Finished difference Result 756 states and 990 transitions. [2025-02-06 13:23:15,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-02-06 13:23:15,729 INFO L78 Accepts]: Start accepts. Automaton has has 190 states, 189 states have (on average 2.9576719576719577) internal successors, (559), 190 states have internal predecessors, (559), 0 states have call successors, (0), 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 280 [2025-02-06 13:23:15,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:23:15,736 INFO L225 Difference]: With dead ends: 756 [2025-02-06 13:23:15,736 INFO L226 Difference]: Without dead ends: 755 [2025-02-06 13:23:15,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10765 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=9119, Invalid=26791, Unknown=0, NotChecked=0, Total=35910 [2025-02-06 13:23:15,742 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 1448 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:23:15,742 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 223 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:23:15,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2025-02-06 13:23:15,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2025-02-06 13:23:15,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 754 states have (on average 1.2493368700265253) internal successors, (942), 754 states have internal predecessors, (942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:23:15,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 942 transitions. [2025-02-06 13:23:15,786 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 942 transitions. Word has length 280 [2025-02-06 13:23:15,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:23:15,786 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 942 transitions. [2025-02-06 13:23:15,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 190 states, 189 states have (on average 2.9576719576719577) internal successors, (559), 190 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:23:15,786 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 942 transitions. [2025-02-06 13:23:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2025-02-06 13:23:15,807 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:23:15,808 INFO L218 NwaCegarLoop]: trace histogram [95, 94, 94, 94, 94, 94, 1, 1, 1] [2025-02-06 13:23:15,820 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:23:16,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:23:16,009 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:23:16,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:23:16,015 INFO L85 PathProgramCache]: Analyzing trace with hash -79064569, now seen corresponding path program 6 times [2025-02-06 13:23:16,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:23:16,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307954888] [2025-02-06 13:23:16,015 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 13:23:16,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:23:16,046 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 568 statements into 95 equivalence classes. [2025-02-06 13:23:16,472 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 568 of 568 statements. [2025-02-06 13:23:16,475 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-06 13:23:16,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 26414 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:32,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:23:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307954888] [2025-02-06 13:23:32,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307954888] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:23:32,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352348505] [2025-02-06 13:23:32,948 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 13:23:32,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:23:32,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:23:32,950 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) [2025-02-06 13:23:32,951 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 [2025-02-06 13:23:33,008 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 568 statements into 95 equivalence classes. [2025-02-06 13:23:33,342 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 568 of 568 statements. [2025-02-06 13:23:33,343 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-06 13:23:33,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:23:33,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 191 conjuncts are in the unsatisfiable core [2025-02-06 13:23:33,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:23:33,882 INFO L134 CoverageAnalysis]: Checked inductivity of 26414 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:33,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:23:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 26414 backedges. 0 proven. 26414 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:23:56,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352348505] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:23:56,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:23:56,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [191, 191, 191] total 381 [2025-02-06 13:23:56,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613729240] [2025-02-06 13:23:56,077 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:23:56,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 382 states [2025-02-06 13:23:56,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:23:56,085 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 382 interpolants. [2025-02-06 13:23:56,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2025-02-06 13:23:56,095 INFO L87 Difference]: Start difference. First operand 755 states and 942 transitions. Second operand has 382 states, 381 states have (on average 2.979002624671916) internal successors, (1135), 382 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:24:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:24:14,955 INFO L93 Difference]: Finished difference Result 1524 states and 1998 transitions. [2025-02-06 13:24:14,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 382 states. [2025-02-06 13:24:14,956 INFO L78 Accepts]: Start accepts. Automaton has has 382 states, 381 states have (on average 2.979002624671916) internal successors, (1135), 382 states have internal predecessors, (1135), 0 states have call successors, (0), 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 568 [2025-02-06 13:24:14,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:24:14,961 INFO L225 Difference]: With dead ends: 1524 [2025-02-06 13:24:14,961 INFO L226 Difference]: Without dead ends: 1523 [2025-02-06 13:24:14,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1325 GetRequests, 945 SyntacticMatches, 0 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44557 ImplicationChecksByTransitivity, 31.1s TimeCoverageRelationStatistics Valid=36671, Invalid=108871, Unknown=0, NotChecked=0, Total=145542 [2025-02-06 13:24:14,965 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 3076 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3076 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:24:14,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3076 Valid, 420 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1593 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 13:24:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2025-02-06 13:24:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1523. [2025-02-06 13:24:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.2496714848883048) internal successors, (1902), 1522 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:24:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1902 transitions. [2025-02-06 13:24:14,991 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1902 transitions. Word has length 568 [2025-02-06 13:24:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:24:14,991 INFO L471 AbstractCegarLoop]: Abstraction has 1523 states and 1902 transitions. [2025-02-06 13:24:14,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 382 states, 381 states have (on average 2.979002624671916) internal successors, (1135), 382 states have internal predecessors, (1135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:24:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1902 transitions. [2025-02-06 13:24:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1145 [2025-02-06 13:24:15,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:24:15,014 INFO L218 NwaCegarLoop]: trace histogram [191, 190, 190, 190, 190, 190, 1, 1, 1] [2025-02-06 13:24:15,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:24:15,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-02-06 13:24:15,219 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-06 13:24:15,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:24:15,220 INFO L85 PathProgramCache]: Analyzing trace with hash 804386951, now seen corresponding path program 7 times [2025-02-06 13:24:15,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:24:15,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64522573] [2025-02-06 13:24:15,220 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 13:24:15,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:24:15,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1144 statements into 1 equivalence classes. [2025-02-06 13:24:15,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1144 of 1144 statements. [2025-02-06 13:24:15,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:24:15,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat