./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/egcd-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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-nla/egcd-both-t.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:35:57,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:35:57,340 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:35:57,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:35:57,345 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:35:57,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:35:57,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:35:57,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:35:57,365 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:35:57,365 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:35:57,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:35:57,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:35:57,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:35:57,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:35:57,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:35:57,367 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:35:57,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:35:57,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:35:57,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:35:57,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:35:57,369 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e7efe18bdab4f1a3c265c6e5c60639885ed9cc4b50c9311d2c96f86da4a31387 [2025-01-10 01:35:57,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:35:57,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:35:57,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:35:57,575 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:35:57,576 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:35:57,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/egcd-both-t.c [2025-01-10 01:35:58,773 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a84e633bb/b8fec91a1e964a2781779891d98e6f6e/FLAGb180db8be [2025-01-10 01:35:59,018 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:35:59,019 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-nla/egcd-both-t.c [2025-01-10 01:35:59,024 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a84e633bb/b8fec91a1e964a2781779891d98e6f6e/FLAGb180db8be [2025-01-10 01:35:59,038 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a84e633bb/b8fec91a1e964a2781779891d98e6f6e [2025-01-10 01:35:59,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:35:59,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:35:59,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:35:59,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:35:59,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:35:59,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d119d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59, skipping insertion in model container [2025-01-10 01:35:59,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:35:59,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:35:59,159 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:35:59,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:35:59,176 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:35:59,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59 WrapperNode [2025-01-10 01:35:59,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:35:59,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:35:59,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:35:59,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:35:59,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,196 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2025-01-10 01:35:59,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:35:59,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:35:59,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:35:59,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:35:59,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,205 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,211 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:35:59,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,212 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:35:59,221 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:35:59,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:35:59,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:35:59,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (1/1) ... [2025-01-10 01:35:59,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:35:59,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:59,250 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) [2025-01-10 01:35:59,259 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 [2025-01-10 01:35:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:35:59,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:35:59,321 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:35:59,326 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:35:59,504 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2025-01-10 01:35:59,504 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:35:59,514 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:35:59,515 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:35:59,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:35:59 BoogieIcfgContainer [2025-01-10 01:35:59,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:35:59,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:35:59,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:35:59,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:35:59,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:35:59" (1/3) ... [2025-01-10 01:35:59,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128ebe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:35:59, skipping insertion in model container [2025-01-10 01:35:59,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:59" (2/3) ... [2025-01-10 01:35:59,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128ebe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:35:59, skipping insertion in model container [2025-01-10 01:35:59,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:35:59" (3/3) ... [2025-01-10 01:35:59,525 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-both-t.c [2025-01-10 01:35:59,535 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:35:59,537 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-both-t.c that has 1 procedures, 57 locations, 1 initial locations, 1 loop locations, and 24 error locations. [2025-01-10 01:35:59,575 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:35:59,595 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;@27328d4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:35:59,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-01-10 01:35:59,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.875) internal successors, (60), 56 states have internal predecessors, (60), 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) [2025-01-10 01:35:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 01:35:59,601 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:59,601 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 01:35:59,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:35:59,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:59,605 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2025-01-10 01:35:59,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:59,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002784585] [2025-01-10 01:35:59,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:59,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:35:59,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:35:59,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:35:59,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548925846] [2025-01-10 01:35:59,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:59,664 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:59,667 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) [2025-01-10 01:35:59,668 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 [2025-01-10 01:35:59,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:35:59,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:35:59,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:59,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:35:59,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:59,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:35:59,726 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:35:59,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:59,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002784585] [2025-01-10 01:35:59,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:35:59,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548925846] [2025-01-10 01:35:59,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548925846] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:35:59,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:35:59,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:35:59,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197200265] [2025-01-10 01:35:59,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:35:59,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:35:59,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:35:59,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:35:59,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:35:59,747 INFO L87 Difference]: Start difference. First operand has 57 states, 32 states have (on average 1.875) internal successors, (60), 56 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2025-01-10 01:35:59,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:59,825 INFO L93 Difference]: Finished difference Result 105 states and 116 transitions. [2025-01-10 01:35:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:35:59,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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 [2025-01-10 01:35:59,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:59,831 INFO L225 Difference]: With dead ends: 105 [2025-01-10 01:35:59,832 INFO L226 Difference]: Without dead ends: 95 [2025-01-10 01:35:59,833 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 [2025-01-10 01:35:59,835 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 42 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:35:59,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 81 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:35:59,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-01-10 01:35:59,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 73. [2025-01-10 01:35:59,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.8571428571428572) internal successors, (91), 72 states have internal predecessors, (91), 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) [2025-01-10 01:35:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 91 transitions. [2025-01-10 01:35:59,881 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 91 transitions. Word has length 4 [2025-01-10 01:35:59,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:59,882 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 91 transitions. [2025-01-10 01:35:59,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 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) [2025-01-10 01:35:59,882 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2025-01-10 01:35:59,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:35:59,882 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:59,882 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:35:59,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:36:00,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 01:36:00,089 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:00,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,090 INFO L85 PathProgramCache]: Analyzing trace with hash 889509673, now seen corresponding path program 1 times [2025-01-10 01:36:00,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110295560] [2025-01-10 01:36:00,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:36:00,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:36:00,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:00,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275537634] [2025-01-10 01:36:00,100 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:00,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:00,102 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) [2025-01-10 01:36:00,106 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 [2025-01-10 01:36:00,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:36:00,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:36:00,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:00,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:00,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:00,166 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:00,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110295560] [2025-01-10 01:36:00,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:00,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275537634] [2025-01-10 01:36:00,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275537634] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:00,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105858979] [2025-01-10 01:36:00,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:00,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:00,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:00,169 INFO L87 Difference]: Start difference. First operand 73 states and 91 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:00,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,233 INFO L93 Difference]: Finished difference Result 86 states and 99 transitions. [2025-01-10 01:36:00,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:00,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:36:00,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,235 INFO L225 Difference]: With dead ends: 86 [2025-01-10 01:36:00,235 INFO L226 Difference]: Without dead ends: 85 [2025-01-10 01:36:00,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:00,235 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 30 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 57 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:00,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-01-10 01:36:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 73. [2025-01-10 01:36:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.836734693877551) internal successors, (90), 72 states have internal predecessors, (90), 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) [2025-01-10 01:36:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2025-01-10 01:36:00,240 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 6 [2025-01-10 01:36:00,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,240 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2025-01-10 01:36:00,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2025-01-10 01:36:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:36:00,241 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,241 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:36:00,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:00,445 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:00,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1804996133, now seen corresponding path program 1 times [2025-01-10 01:36:00,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118866135] [2025-01-10 01:36:00,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:36:00,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:36:00,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:00,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572672249] [2025-01-10 01:36:00,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:00,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:00,455 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) [2025-01-10 01:36:00,456 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 [2025-01-10 01:36:00,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:36:00,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:36:00,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:00,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:00,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:00,506 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:00,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118866135] [2025-01-10 01:36:00,506 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:00,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572672249] [2025-01-10 01:36:00,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572672249] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:00,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878474377] [2025-01-10 01:36:00,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:00,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:00,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,508 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2025-01-10 01:36:00,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,570 INFO L93 Difference]: Finished difference Result 86 states and 98 transitions. [2025-01-10 01:36:00,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:00,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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 [2025-01-10 01:36:00,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,571 INFO L225 Difference]: With dead ends: 86 [2025-01-10 01:36:00,571 INFO L226 Difference]: Without dead ends: 85 [2025-01-10 01:36:00,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,572 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 77 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 56 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-01-10 01:36:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 73. [2025-01-10 01:36:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.816326530612245) internal successors, (89), 72 states have internal predecessors, (89), 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) [2025-01-10 01:36:00,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2025-01-10 01:36:00,576 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 7 [2025-01-10 01:36:00,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,576 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2025-01-10 01:36:00,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 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) [2025-01-10 01:36:00,576 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2025-01-10 01:36:00,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 01:36:00,576 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,576 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,582 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:36:00,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:00,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:00,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,777 INFO L85 PathProgramCache]: Analyzing trace with hash 120305323, now seen corresponding path program 1 times [2025-01-10 01:36:00,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295360436] [2025-01-10 01:36:00,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,781 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:36:00,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:36:00,785 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,785 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:00,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708767248] [2025-01-10 01:36:00,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:00,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:00,792 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) [2025-01-10 01:36:00,797 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 [2025-01-10 01:36:00,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:36:00,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:36:00,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:00,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:00,855 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:00,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295360436] [2025-01-10 01:36:00,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:00,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708767248] [2025-01-10 01:36:00,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708767248] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:00,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158890875] [2025-01-10 01:36:00,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:00,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:00,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,857 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,929 INFO L93 Difference]: Finished difference Result 94 states and 101 transitions. [2025-01-10 01:36:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:00,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-01-10 01:36:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,931 INFO L225 Difference]: With dead ends: 94 [2025-01-10 01:36:00,931 INFO L226 Difference]: Without dead ends: 93 [2025-01-10 01:36:00,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,932 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 64 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 57 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:00,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-01-10 01:36:00,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 73. [2025-01-10 01:36:00,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.7959183673469388) internal successors, (88), 72 states have internal predecessors, (88), 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) [2025-01-10 01:36:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2025-01-10 01:36:00,938 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 8 [2025-01-10 01:36:00,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,938 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2025-01-10 01:36:00,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2025-01-10 01:36:00,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:36:00,939 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,939 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:36:01,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:01,143 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:01,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:01,143 INFO L85 PathProgramCache]: Analyzing trace with hash -565502233, now seen corresponding path program 1 times [2025-01-10 01:36:01,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:01,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121124849] [2025-01-10 01:36:01,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:01,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:36:01,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:36:01,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:01,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1244102127] [2025-01-10 01:36:01,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:01,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:01,156 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) [2025-01-10 01:36:01,160 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 [2025-01-10 01:36:01,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:36:01,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:36:01,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:01,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:01,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:01,260 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:01,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121124849] [2025-01-10 01:36:01,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:01,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244102127] [2025-01-10 01:36:01,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244102127] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:01,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:01,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:01,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994261658] [2025-01-10 01:36:01,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:01,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:01,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:01,261 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:01,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:01,261 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:01,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:01,359 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2025-01-10 01:36:01,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:01,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 01:36:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:01,364 INFO L225 Difference]: With dead ends: 98 [2025-01-10 01:36:01,364 INFO L226 Difference]: Without dead ends: 97 [2025-01-10 01:36:01,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:01,364 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 63 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:01,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 60 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:01,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-01-10 01:36:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 73. [2025-01-10 01:36:01,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.7755102040816326) internal successors, (87), 72 states have internal predecessors, (87), 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) [2025-01-10 01:36:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 87 transitions. [2025-01-10 01:36:01,368 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 87 transitions. Word has length 9 [2025-01-10 01:36:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:01,368 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 87 transitions. [2025-01-10 01:36:01,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-01-10 01:36:01,369 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 87 transitions. [2025-01-10 01:36:01,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 01:36:01,369 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:01,369 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:01,374 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:01,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:01,573 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:01,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash -350699987, now seen corresponding path program 1 times [2025-01-10 01:36:01,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:01,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004961661] [2025-01-10 01:36:01,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:01,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:36:01,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:36:01,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:01,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1819879357] [2025-01-10 01:36:01,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:01,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:01,585 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) [2025-01-10 01:36:01,587 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 [2025-01-10 01:36:01,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 01:36:01,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 01:36:01,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:01,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:36:01,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:01,642 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:01,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:01,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004961661] [2025-01-10 01:36:01,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:01,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819879357] [2025-01-10 01:36:01,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819879357] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:01,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:01,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:01,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44726549] [2025-01-10 01:36:01,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:01,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:01,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:01,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:01,643 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:01,643 INFO L87 Difference]: Start difference. First operand 73 states and 87 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:01,693 INFO L93 Difference]: Finished difference Result 131 states and 163 transitions. [2025-01-10 01:36:01,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:01,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-01-10 01:36:01,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:01,695 INFO L225 Difference]: With dead ends: 131 [2025-01-10 01:36:01,695 INFO L226 Difference]: Without dead ends: 129 [2025-01-10 01:36:01,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:01,696 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 32 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:01,696 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 74 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:01,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-10 01:36:01,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 107. [2025-01-10 01:36:01,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 83 states have (on average 1.7228915662650603) internal successors, (143), 106 states have internal predecessors, (143), 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) [2025-01-10 01:36:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 143 transitions. [2025-01-10 01:36:01,707 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 143 transitions. Word has length 10 [2025-01-10 01:36:01,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:01,707 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 143 transitions. [2025-01-10 01:36:01,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 143 transitions. [2025-01-10 01:36:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:36:01,707 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:01,707 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:01,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 01:36:01,908 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,SelfDestructingSolverStorable5 [2025-01-10 01:36:01,908 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:01,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:01,908 INFO L85 PathProgramCache]: Analyzing trace with hash -2015236689, now seen corresponding path program 1 times [2025-01-10 01:36:01,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:01,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659388949] [2025-01-10 01:36:01,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:01,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:36:01,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:36:01,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:01,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849245647] [2025-01-10 01:36:01,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:01,924 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:01,926 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 01:36:01,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:36:01,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:36:01,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:01,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:01,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:02,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:02,006 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:02,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:02,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659388949] [2025-01-10 01:36:02,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:02,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849245647] [2025-01-10 01:36:02,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849245647] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:02,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:02,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:02,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102594514] [2025-01-10 01:36:02,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:02,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:02,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:02,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:02,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:02,007 INFO L87 Difference]: Start difference. First operand 107 states and 143 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-10 01:36:02,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:02,059 INFO L93 Difference]: Finished difference Result 130 states and 167 transitions. [2025-01-10 01:36:02,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:02,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2025-01-10 01:36:02,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:02,060 INFO L225 Difference]: With dead ends: 130 [2025-01-10 01:36:02,060 INFO L226 Difference]: Without dead ends: 129 [2025-01-10 01:36:02,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:02,061 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:02,062 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 57 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:02,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-10 01:36:02,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 107. [2025-01-10 01:36:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 106 states have internal predecessors, (141), 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) [2025-01-10 01:36:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 141 transitions. [2025-01-10 01:36:02,069 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 141 transitions. Word has length 12 [2025-01-10 01:36:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:02,069 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 141 transitions. [2025-01-10 01:36:02,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2025-01-10 01:36:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 141 transitions. [2025-01-10 01:36:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:36:02,069 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:02,069 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:02,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:02,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,277 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:02,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:02,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1952172139, now seen corresponding path program 1 times [2025-01-10 01:36:02,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:02,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100763023] [2025-01-10 01:36:02,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:02,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:36:02,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:36:02,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:02,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1083380174] [2025-01-10 01:36:02,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:02,294 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:02,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 01:36:02,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:36:02,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:36:02,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:02,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:02,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:02,386 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:02,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:02,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100763023] [2025-01-10 01:36:02,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:02,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083380174] [2025-01-10 01:36:02,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083380174] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:02,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:02,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:02,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693699519] [2025-01-10 01:36:02,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:02,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:02,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:02,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:02,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:02,387 INFO L87 Difference]: Start difference. First operand 107 states and 141 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-01-10 01:36:02,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:02,485 INFO L93 Difference]: Finished difference Result 130 states and 165 transitions. [2025-01-10 01:36:02,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:02,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2025-01-10 01:36:02,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:02,486 INFO L225 Difference]: With dead ends: 130 [2025-01-10 01:36:02,486 INFO L226 Difference]: Without dead ends: 129 [2025-01-10 01:36:02,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:02,486 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 75 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:02,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 56 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:02,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-10 01:36:02,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 107. [2025-01-10 01:36:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 83 states have (on average 1.6746987951807228) internal successors, (139), 106 states have internal predecessors, (139), 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) [2025-01-10 01:36:02,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 139 transitions. [2025-01-10 01:36:02,499 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 139 transitions. Word has length 13 [2025-01-10 01:36:02,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:02,500 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 139 transitions. [2025-01-10 01:36:02,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2025-01-10 01:36:02,500 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 139 transitions. [2025-01-10 01:36:02,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:36:02,500 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:02,500 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:02,507 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 01:36:02,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,701 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:02,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:02,702 INFO L85 PathProgramCache]: Analyzing trace with hash 387794225, now seen corresponding path program 1 times [2025-01-10 01:36:02,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:02,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476600915] [2025-01-10 01:36:02,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:02,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:36:02,721 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:36:02,721 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:02,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530087839] [2025-01-10 01:36:02,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:02,726 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:02,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 01:36:02,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:36:02,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:36:02,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:02,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:02,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:02,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:02,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:02,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:02,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476600915] [2025-01-10 01:36:02,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:02,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530087839] [2025-01-10 01:36:02,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530087839] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:02,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:02,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:02,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700012686] [2025-01-10 01:36:02,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:02,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:02,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:02,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:02,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:02,810 INFO L87 Difference]: Start difference. First operand 107 states and 139 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 01:36:02,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:02,958 INFO L93 Difference]: Finished difference Result 128 states and 155 transitions. [2025-01-10 01:36:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:02,958 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-01-10 01:36:02,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:02,959 INFO L225 Difference]: With dead ends: 128 [2025-01-10 01:36:02,959 INFO L226 Difference]: Without dead ends: 127 [2025-01-10 01:36:02,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:02,962 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 34 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:02,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 76 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-01-10 01:36:02,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2025-01-10 01:36:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 83 states have (on average 1.6506024096385543) internal successors, (137), 106 states have internal predecessors, (137), 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) [2025-01-10 01:36:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 137 transitions. [2025-01-10 01:36:02,974 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 137 transitions. Word has length 14 [2025-01-10 01:36:02,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:02,974 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 137 transitions. [2025-01-10 01:36:02,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-01-10 01:36:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 137 transitions. [2025-01-10 01:36:02,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:36:02,975 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:02,975 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:02,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 01:36:03,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:03,175 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:03,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:03,176 INFO L85 PathProgramCache]: Analyzing trace with hash -863280851, now seen corresponding path program 1 times [2025-01-10 01:36:03,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:03,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101084721] [2025-01-10 01:36:03,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:03,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:36:03,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:36:03,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:03,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1243551719] [2025-01-10 01:36:03,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:03,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:03,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:03,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 01:36:03,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:36:03,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:36:03,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:03,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:03,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:03,278 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:03,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101084721] [2025-01-10 01:36:03,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:03,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243551719] [2025-01-10 01:36:03,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243551719] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:03,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:03,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:03,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220938231] [2025-01-10 01:36:03,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:03,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:03,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:03,279 INFO L87 Difference]: Start difference. First operand 107 states and 137 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2025-01-10 01:36:03,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:03,419 INFO L93 Difference]: Finished difference Result 128 states and 153 transitions. [2025-01-10 01:36:03,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:03,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) Word has length 15 [2025-01-10 01:36:03,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:03,420 INFO L225 Difference]: With dead ends: 128 [2025-01-10 01:36:03,420 INFO L226 Difference]: Without dead ends: 127 [2025-01-10 01:36:03,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:03,421 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 34 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:03,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 85 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:03,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-01-10 01:36:03,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 107. [2025-01-10 01:36:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 83 states have (on average 1.6265060240963856) internal successors, (135), 106 states have internal predecessors, (135), 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) [2025-01-10 01:36:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 135 transitions. [2025-01-10 01:36:03,425 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 135 transitions. Word has length 15 [2025-01-10 01:36:03,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:03,425 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 135 transitions. [2025-01-10 01:36:03,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 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) [2025-01-10 01:36:03,425 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 135 transitions. [2025-01-10 01:36:03,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:36:03,425 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:03,425 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:03,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:03,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-10 01:36:03,626 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:03,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:03,627 INFO L85 PathProgramCache]: Analyzing trace with hash 264401494, now seen corresponding path program 1 times [2025-01-10 01:36:03,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:03,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642398634] [2025-01-10 01:36:03,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:03,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:36:03,646 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:36:03,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:03,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642398634] [2025-01-10 01:36:03,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642398634] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:03,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:03,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:03,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332825044] [2025-01-10 01:36:03,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:03,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:03,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:03,706 INFO L87 Difference]: Start difference. First operand 107 states and 135 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:03,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:03,719 INFO L93 Difference]: Finished difference Result 107 states and 135 transitions. [2025-01-10 01:36:03,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:03,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2025-01-10 01:36:03,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:03,722 INFO L225 Difference]: With dead ends: 107 [2025-01-10 01:36:03,722 INFO L226 Difference]: Without dead ends: 106 [2025-01-10 01:36:03,723 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:03,723 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:03,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:03,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-01-10 01:36:03,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2025-01-10 01:36:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 83 states have (on average 1.6024096385542168) internal successors, (133), 105 states have internal predecessors, (133), 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) [2025-01-10 01:36:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2025-01-10 01:36:03,732 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 18 [2025-01-10 01:36:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:03,732 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2025-01-10 01:36:03,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2025-01-10 01:36:03,733 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2025-01-10 01:36:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:36:03,736 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:03,737 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:03,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 01:36:03,737 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:03,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:03,737 INFO L85 PathProgramCache]: Analyzing trace with hash 264401046, now seen corresponding path program 1 times [2025-01-10 01:36:03,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:03,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683177116] [2025-01-10 01:36:03,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:03,740 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:36:03,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:36:03,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:03,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683177116] [2025-01-10 01:36:03,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683177116] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:03,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:03,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:03,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848515680] [2025-01-10 01:36:03,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:03,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:03,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:03,788 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:03,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:03,813 INFO L93 Difference]: Finished difference Result 106 states and 133 transitions. [2025-01-10 01:36:03,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:03,814 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2025-01-10 01:36:03,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:03,815 INFO L225 Difference]: With dead ends: 106 [2025-01-10 01:36:03,815 INFO L226 Difference]: Without dead ends: 105 [2025-01-10 01:36:03,815 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:03,816 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 91 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 [2025-01-10 01:36:03,816 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 91 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:03,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-01-10 01:36:03,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-01-10 01:36:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 83 states have (on average 1.5783132530120483) internal successors, (131), 104 states have internal predecessors, (131), 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) [2025-01-10 01:36:03,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 131 transitions. [2025-01-10 01:36:03,823 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 131 transitions. Word has length 18 [2025-01-10 01:36:03,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:03,823 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 131 transitions. [2025-01-10 01:36:03,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2025-01-10 01:36:03,823 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 131 transitions. [2025-01-10 01:36:03,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 01:36:03,824 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:03,824 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:03,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 01:36:03,827 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:03,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:03,828 INFO L85 PathProgramCache]: Analyzing trace with hash -393488189, now seen corresponding path program 1 times [2025-01-10 01:36:03,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463223169] [2025-01-10 01:36:03,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:03,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:36:03,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:36:03,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:03,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:03,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463223169] [2025-01-10 01:36:03,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463223169] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:03,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:03,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:03,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929335001] [2025-01-10 01:36:03,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:03,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:03,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:03,889 INFO L87 Difference]: Start difference. First operand 105 states and 131 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2025-01-10 01:36:03,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:03,950 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2025-01-10 01:36:03,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:03,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-10 01:36:03,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:03,951 INFO L225 Difference]: With dead ends: 108 [2025-01-10 01:36:03,954 INFO L226 Difference]: Without dead ends: 107 [2025-01-10 01:36:03,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:36:03,955 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 61 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:03,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 53 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-01-10 01:36:03,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-01-10 01:36:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 85 states have (on average 1.5647058823529412) internal successors, (133), 106 states have internal predecessors, (133), 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) [2025-01-10 01:36:03,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2025-01-10 01:36:03,959 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 19 [2025-01-10 01:36:03,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:03,959 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2025-01-10 01:36:03,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2025-01-10 01:36:03,959 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2025-01-10 01:36:03,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 01:36:03,960 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:03,960 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 01:36:03,960 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:03,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash -393502091, now seen corresponding path program 1 times [2025-01-10 01:36:03,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:03,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214409062] [2025-01-10 01:36:03,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:03,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:36:03,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:36:03,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214409062] [2025-01-10 01:36:03,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214409062] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:03,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:03,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453044460] [2025-01-10 01:36:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:03,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:03,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:03,995 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2025-01-10 01:36:04,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,066 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2025-01-10 01:36:04,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:04,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-10 01:36:04,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,067 INFO L225 Difference]: With dead ends: 110 [2025-01-10 01:36:04,067 INFO L226 Difference]: Without dead ends: 109 [2025-01-10 01:36:04,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:36:04,067 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 61 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 53 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:04,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-01-10 01:36:04,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2025-01-10 01:36:04,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 87 states have (on average 1.5517241379310345) internal successors, (135), 108 states have internal predecessors, (135), 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) [2025-01-10 01:36:04,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 135 transitions. [2025-01-10 01:36:04,071 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 135 transitions. Word has length 19 [2025-01-10 01:36:04,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,071 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 135 transitions. [2025-01-10 01:36:04,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 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) [2025-01-10 01:36:04,071 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 135 transitions. [2025-01-10 01:36:04,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:36:04,071 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,071 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:36:04,072 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:04,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:04,072 INFO L85 PathProgramCache]: Analyzing trace with hash 686768120, now seen corresponding path program 1 times [2025-01-10 01:36:04,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:04,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000908952] [2025-01-10 01:36:04,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:04,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:36:04,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:36:04,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:04,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:04,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:04,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000908952] [2025-01-10 01:36:04,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000908952] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:04,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:04,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:04,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488569898] [2025-01-10 01:36:04,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:04,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:04,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:04,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:04,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,102 INFO L87 Difference]: Start difference. First operand 109 states and 135 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) [2025-01-10 01:36:04,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,163 INFO L93 Difference]: Finished difference Result 115 states and 143 transitions. [2025-01-10 01:36:04,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:04,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) Word has length 20 [2025-01-10 01:36:04,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,164 INFO L225 Difference]: With dead ends: 115 [2025-01-10 01:36:04,164 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 01:36:04,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,164 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 5 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 62 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:04,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 01:36:04,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 112. [2025-01-10 01:36:04,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 90 states have (on average 1.5444444444444445) internal successors, (139), 111 states have internal predecessors, (139), 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) [2025-01-10 01:36:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 139 transitions. [2025-01-10 01:36:04,169 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 139 transitions. Word has length 20 [2025-01-10 01:36:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,170 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 139 transitions. [2025-01-10 01:36:04,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) [2025-01-10 01:36:04,170 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 139 transitions. [2025-01-10 01:36:04,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:36:04,171 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,171 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 01:36:04,171 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:04,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:04,171 INFO L85 PathProgramCache]: Analyzing trace with hash 686337144, now seen corresponding path program 1 times [2025-01-10 01:36:04,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:04,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219923764] [2025-01-10 01:36:04,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:04,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:36:04,177 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:36:04,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:04,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:04,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219923764] [2025-01-10 01:36:04,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219923764] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:04,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:04,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:04,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858294282] [2025-01-10 01:36:04,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:04,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:04,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:04,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:04,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,213 INFO L87 Difference]: Start difference. First operand 112 states and 139 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) [2025-01-10 01:36:04,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,249 INFO L93 Difference]: Finished difference Result 115 states and 141 transitions. [2025-01-10 01:36:04,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:04,250 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) Word has length 20 [2025-01-10 01:36:04,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,250 INFO L225 Difference]: With dead ends: 115 [2025-01-10 01:36:04,250 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 01:36:04,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,251 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 64 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:04,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 01:36:04,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-01-10 01:36:04,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 112 states have internal predecessors, (139), 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) [2025-01-10 01:36:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 139 transitions. [2025-01-10 01:36:04,255 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 139 transitions. Word has length 20 [2025-01-10 01:36:04,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,255 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 139 transitions. [2025-01-10 01:36:04,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 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) [2025-01-10 01:36:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 139 transitions. [2025-01-10 01:36:04,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 01:36:04,255 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,255 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-01-10 01:36:04,255 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:04,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:04,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1440797286, now seen corresponding path program 1 times [2025-01-10 01:36:04,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:04,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075721289] [2025-01-10 01:36:04,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:04,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:36:04,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:36:04,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:04,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:04,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:04,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075721289] [2025-01-10 01:36:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075721289] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:04,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:04,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:04,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679197918] [2025-01-10 01:36:04,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:04,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:04,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:04,294 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:04,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,295 INFO L87 Difference]: Start difference. First operand 113 states and 139 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2025-01-10 01:36:04,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,342 INFO L93 Difference]: Finished difference Result 119 states and 147 transitions. [2025-01-10 01:36:04,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:04,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2025-01-10 01:36:04,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,343 INFO L225 Difference]: With dead ends: 119 [2025-01-10 01:36:04,343 INFO L226 Difference]: Without dead ends: 117 [2025-01-10 01:36:04,344 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,344 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 62 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:04,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-10 01:36:04,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 116. [2025-01-10 01:36:04,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 94 states have (on average 1.5212765957446808) internal successors, (143), 115 states have internal predecessors, (143), 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) [2025-01-10 01:36:04,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 143 transitions. [2025-01-10 01:36:04,349 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 143 transitions. Word has length 22 [2025-01-10 01:36:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,349 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 143 transitions. [2025-01-10 01:36:04,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-01-10 01:36:04,349 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2025-01-10 01:36:04,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 01:36:04,350 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,350 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 01:36:04,350 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:04,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:04,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1854965670, now seen corresponding path program 1 times [2025-01-10 01:36:04,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:04,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304469604] [2025-01-10 01:36:04,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:04,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:36:04,357 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:36:04,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:04,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:04,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304469604] [2025-01-10 01:36:04,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304469604] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:04,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:04,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:04,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318141598] [2025-01-10 01:36:04,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:04,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:04,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:04,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:04,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,385 INFO L87 Difference]: Start difference. First operand 116 states and 143 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2025-01-10 01:36:04,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,424 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2025-01-10 01:36:04,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:04,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 22 [2025-01-10 01:36:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,425 INFO L225 Difference]: With dead ends: 119 [2025-01-10 01:36:04,425 INFO L226 Difference]: Without dead ends: 117 [2025-01-10 01:36:04,425 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:04,426 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,426 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 64 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:04,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-01-10 01:36:04,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-01-10 01:36:04,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 95 states have (on average 1.5052631578947369) internal successors, (143), 116 states have internal predecessors, (143), 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) [2025-01-10 01:36:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 143 transitions. [2025-01-10 01:36:04,430 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 143 transitions. Word has length 22 [2025-01-10 01:36:04,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,430 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 143 transitions. [2025-01-10 01:36:04,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2025-01-10 01:36:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 143 transitions. [2025-01-10 01:36:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 01:36:04,430 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 01:36:04,431 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:04,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:04,431 INFO L85 PathProgramCache]: Analyzing trace with hash -210578417, now seen corresponding path program 1 times [2025-01-10 01:36:04,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:04,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077650176] [2025-01-10 01:36:04,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:04,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 01:36:04,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 01:36:04,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:04,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [175241661] [2025-01-10 01:36:04,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:04,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:04,442 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:04,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 01:36:04,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 01:36:04,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 01:36:04,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:04,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:04,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:04,623 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:04,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:04,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:04,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077650176] [2025-01-10 01:36:04,838 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:04,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175241661] [2025-01-10 01:36:04,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175241661] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:04,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:04,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:36:04,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430952847] [2025-01-10 01:36:04,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:04,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:04,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:04,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:04,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:04,839 INFO L87 Difference]: Start difference. First operand 117 states and 143 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 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) [2025-01-10 01:36:04,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,963 INFO L93 Difference]: Finished difference Result 192 states and 237 transitions. [2025-01-10 01:36:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:04,963 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 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 24 [2025-01-10 01:36:04,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,964 INFO L225 Difference]: With dead ends: 192 [2025-01-10 01:36:04,964 INFO L226 Difference]: Without dead ends: 188 [2025-01-10 01:36:04,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:36:04,964 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 319 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,964 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 101 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:04,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2025-01-10 01:36:04,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 124. [2025-01-10 01:36:04,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 102 states have (on average 1.4901960784313726) internal successors, (152), 123 states have internal predecessors, (152), 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) [2025-01-10 01:36:04,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 152 transitions. [2025-01-10 01:36:04,968 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 152 transitions. Word has length 24 [2025-01-10 01:36:04,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,968 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 152 transitions. [2025-01-10 01:36:04,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 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) [2025-01-10 01:36:04,968 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2025-01-10 01:36:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 01:36:04,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,968 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:05,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:05,173 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:05,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:05,175 INFO L85 PathProgramCache]: Analyzing trace with hash 2062003707, now seen corresponding path program 1 times [2025-01-10 01:36:05,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:05,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471429272] [2025-01-10 01:36:05,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:05,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:36:05,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:36:05,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:05,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:05,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1357397192] [2025-01-10 01:36:05,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:05,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:05,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:05,187 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:05,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 01:36:05,219 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 01:36:05,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 01:36:05,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:05,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:05,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:05,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:05,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:05,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:05,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:05,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471429272] [2025-01-10 01:36:05,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:05,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357397192] [2025-01-10 01:36:05,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357397192] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:05,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:05,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2025-01-10 01:36:05,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889478952] [2025-01-10 01:36:05,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:05,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:36:05,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:05,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:36:05,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:05,729 INFO L87 Difference]: Start difference. First operand 124 states and 152 transitions. Second operand has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:05,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:05,849 INFO L93 Difference]: Finished difference Result 132 states and 152 transitions. [2025-01-10 01:36:05,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:36:05,850 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2025-01-10 01:36:05,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:05,850 INFO L225 Difference]: With dead ends: 132 [2025-01-10 01:36:05,851 INFO L226 Difference]: Without dead ends: 128 [2025-01-10 01:36:05,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:05,851 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 84 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:05,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 74 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:05,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-01-10 01:36:05,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 119. [2025-01-10 01:36:05,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 101 states have (on average 1.4059405940594059) internal successors, (142), 118 states have internal predecessors, (142), 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) [2025-01-10 01:36:05,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 142 transitions. [2025-01-10 01:36:05,855 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 142 transitions. Word has length 25 [2025-01-10 01:36:05,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:05,855 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 142 transitions. [2025-01-10 01:36:05,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.166666666666666) internal successors, (49), 7 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:05,856 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2025-01-10 01:36:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 01:36:05,856 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:05,856 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:05,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:36:06,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:06,057 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:06,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:06,059 INFO L85 PathProgramCache]: Analyzing trace with hash -502394479, now seen corresponding path program 1 times [2025-01-10 01:36:06,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:06,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143240730] [2025-01-10 01:36:06,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:06,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:06,062 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:36:06,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:36:06,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:06,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:06,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [672851895] [2025-01-10 01:36:06,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:06,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:06,071 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:06,072 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 01:36:06,090 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 01:36:06,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 01:36:06,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:06,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:06,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:06,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:06,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:07,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:07,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143240730] [2025-01-10 01:36:07,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:07,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672851895] [2025-01-10 01:36:07,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672851895] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:07,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:07,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2025-01-10 01:36:07,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119290943] [2025-01-10 01:36:07,584 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:07,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:36:07,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:07,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:36:07,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2025-01-10 01:36:07,585 INFO L87 Difference]: Start difference. First operand 119 states and 142 transitions. Second operand has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 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) [2025-01-10 01:36:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:07,660 INFO L93 Difference]: Finished difference Result 119 states and 142 transitions. [2025-01-10 01:36:07,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:07,661 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2025-01-10 01:36:07,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:07,661 INFO L225 Difference]: With dead ends: 119 [2025-01-10 01:36:07,661 INFO L226 Difference]: Without dead ends: 115 [2025-01-10 01:36:07,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2025-01-10 01:36:07,662 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 42 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:07,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 25 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:07,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-01-10 01:36:07,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2025-01-10 01:36:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 100 states have (on average 1.32) internal successors, (132), 113 states have internal predecessors, (132), 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) [2025-01-10 01:36:07,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2025-01-10 01:36:07,665 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 26 [2025-01-10 01:36:07,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:07,665 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2025-01-10 01:36:07,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.5) internal successors, (51), 7 states have internal predecessors, (51), 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) [2025-01-10 01:36:07,665 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2025-01-10 01:36:07,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:36:07,666 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:07,666 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:07,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 01:36:07,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:07,866 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:07,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:07,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1605640381, now seen corresponding path program 1 times [2025-01-10 01:36:07,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:07,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881015514] [2025-01-10 01:36:07,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:07,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:07,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:07,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:07,875 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:07,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:07,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220321485] [2025-01-10 01:36:07,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:07,881 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:07,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 01:36:07,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:07,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:07,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:07,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:07,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:07,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:08,110 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:08,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:08,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:08,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:08,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881015514] [2025-01-10 01:36:08,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:08,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220321485] [2025-01-10 01:36:08,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220321485] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:08,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:08,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-01-10 01:36:08,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564559248] [2025-01-10 01:36:08,322 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:08,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:36:08,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:08,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:36:08,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:08,322 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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) [2025-01-10 01:36:08,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:08,458 INFO L93 Difference]: Finished difference Result 158 states and 181 transitions. [2025-01-10 01:36:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:08,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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 27 [2025-01-10 01:36:08,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:08,459 INFO L225 Difference]: With dead ends: 158 [2025-01-10 01:36:08,459 INFO L226 Difference]: Without dead ends: 155 [2025-01-10 01:36:08,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:08,460 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 148 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:08,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 93 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:08,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-01-10 01:36:08,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 121. [2025-01-10 01:36:08,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 107 states have (on average 1.2897196261682242) internal successors, (138), 120 states have internal predecessors, (138), 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) [2025-01-10 01:36:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2025-01-10 01:36:08,463 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 27 [2025-01-10 01:36:08,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:08,463 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2025-01-10 01:36:08,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 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) [2025-01-10 01:36:08,464 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2025-01-10 01:36:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 01:36:08,464 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:08,464 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:08,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:08,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-01-10 01:36:08,665 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:08,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:08,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1764755693, now seen corresponding path program 1 times [2025-01-10 01:36:08,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:08,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542220646] [2025-01-10 01:36:08,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:08,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:08,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:36:08,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:36:08,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:08,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:08,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785492822] [2025-01-10 01:36:08,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:08,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:08,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:08,675 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:08,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 01:36:08,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:36:08,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:36:08,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:08,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:08,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 01:36:08,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:08,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:09,130 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:09,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:09,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542220646] [2025-01-10 01:36:09,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:09,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785492822] [2025-01-10 01:36:09,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785492822] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:09,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:09,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:36:09,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045197510] [2025-01-10 01:36:09,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:09,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:36:09,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:09,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:36:09,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:09,131 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-01-10 01:36:09,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:09,766 INFO L93 Difference]: Finished difference Result 185 states and 223 transitions. [2025-01-10 01:36:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:36:09,766 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 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 [2025-01-10 01:36:09,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:09,767 INFO L225 Difference]: With dead ends: 185 [2025-01-10 01:36:09,767 INFO L226 Difference]: Without dead ends: 184 [2025-01-10 01:36:09,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:36:09,768 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 101 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:09,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 36 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:36:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-01-10 01:36:09,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 179. [2025-01-10 01:36:09,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 165 states have (on average 1.309090909090909) internal successors, (216), 178 states have internal predecessors, (216), 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) [2025-01-10 01:36:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 216 transitions. [2025-01-10 01:36:09,773 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 216 transitions. Word has length 28 [2025-01-10 01:36:09,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:09,773 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 216 transitions. [2025-01-10 01:36:09,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.0) internal successors, (54), 10 states have internal predecessors, (54), 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) [2025-01-10 01:36:09,774 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 216 transitions. [2025-01-10 01:36:09,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 01:36:09,774 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:09,774 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:09,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 01:36:09,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:09,978 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:09,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:09,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1127148415, now seen corresponding path program 1 times [2025-01-10 01:36:09,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:09,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931676439] [2025-01-10 01:36:09,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:09,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:09,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:36:09,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:36:09,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:09,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:09,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [115756527] [2025-01-10 01:36:09,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:09,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:09,999 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:10,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 01:36:10,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 01:36:10,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 01:36:10,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:10,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:10,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 01:36:10,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:10,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:10,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:10,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931676439] [2025-01-10 01:36:10,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [115756527] [2025-01-10 01:36:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [115756527] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:10,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:10,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:36:10,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283113801] [2025-01-10 01:36:10,467 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:10,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:36:10,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:10,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:36:10,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:10,468 INFO L87 Difference]: Start difference. First operand 179 states and 216 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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) [2025-01-10 01:36:11,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:11,403 INFO L93 Difference]: Finished difference Result 187 states and 220 transitions. [2025-01-10 01:36:11,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:36:11,403 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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 29 [2025-01-10 01:36:11,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:11,404 INFO L225 Difference]: With dead ends: 187 [2025-01-10 01:36:11,404 INFO L226 Difference]: Without dead ends: 186 [2025-01-10 01:36:11,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:36:11,408 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 119 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:11,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 67 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:36:11,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-01-10 01:36:11,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 181. [2025-01-10 01:36:11,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 167 states have (on average 1.2934131736526946) internal successors, (216), 180 states have internal predecessors, (216), 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) [2025-01-10 01:36:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 216 transitions. [2025-01-10 01:36:11,418 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 216 transitions. Word has length 29 [2025-01-10 01:36:11,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:11,418 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 216 transitions. [2025-01-10 01:36:11,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 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) [2025-01-10 01:36:11,421 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 216 transitions. [2025-01-10 01:36:11,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 01:36:11,422 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:11,422 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:11,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:11,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:11,623 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:11,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:11,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1044737543, now seen corresponding path program 1 times [2025-01-10 01:36:11,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:11,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705659608] [2025-01-10 01:36:11,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:11,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:11,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:36:11,637 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:36:11,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:11,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:11,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603027797] [2025-01-10 01:36:11,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:11,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:11,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:11,640 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:11,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 01:36:11,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:36:11,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:36:11,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:11,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:11,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:11,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:11,797 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:11,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:11,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:11,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705659608] [2025-01-10 01:36:11,995 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:11,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603027797] [2025-01-10 01:36:11,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603027797] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:11,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:11,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:36:11,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377232000] [2025-01-10 01:36:11,996 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:11,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:11,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:11,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:11,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:11,997 INFO L87 Difference]: Start difference. First operand 181 states and 216 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:12,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:12,123 INFO L93 Difference]: Finished difference Result 286 states and 347 transitions. [2025-01-10 01:36:12,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:12,123 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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 30 [2025-01-10 01:36:12,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:12,124 INFO L225 Difference]: With dead ends: 286 [2025-01-10 01:36:12,124 INFO L226 Difference]: Without dead ends: 285 [2025-01-10 01:36:12,125 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:36:12,125 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 184 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:12,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 69 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:12,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-01-10 01:36:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 211. [2025-01-10 01:36:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 197 states have (on average 1.2588832487309645) internal successors, (248), 210 states have internal predecessors, (248), 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) [2025-01-10 01:36:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 248 transitions. [2025-01-10 01:36:12,131 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 248 transitions. Word has length 30 [2025-01-10 01:36:12,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:12,131 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 248 transitions. [2025-01-10 01:36:12,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 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) [2025-01-10 01:36:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 248 transitions. [2025-01-10 01:36:12,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 01:36:12,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:12,132 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:12,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 01:36:12,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:12,333 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:12,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1571129333, now seen corresponding path program 1 times [2025-01-10 01:36:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:12,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3915380] [2025-01-10 01:36:12,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:12,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:36:12,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:36:12,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:12,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:12,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [729027045] [2025-01-10 01:36:12,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:12,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:12,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:12,343 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:12,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 01:36:12,358 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:36:12,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:36:12,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:12,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:12,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 01:36:12,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:12,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:12,823 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:12,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:12,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3915380] [2025-01-10 01:36:12,823 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:12,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729027045] [2025-01-10 01:36:12,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729027045] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:12,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:12,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-01-10 01:36:12,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235400272] [2025-01-10 01:36:12,824 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:12,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:36:12,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:12,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:36:12,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:36:12,825 INFO L87 Difference]: Start difference. First operand 211 states and 248 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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) [2025-01-10 01:36:13,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:13,669 INFO L93 Difference]: Finished difference Result 285 states and 343 transitions. [2025-01-10 01:36:13,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 01:36:13,669 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 34 [2025-01-10 01:36:13,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:13,670 INFO L225 Difference]: With dead ends: 285 [2025-01-10 01:36:13,670 INFO L226 Difference]: Without dead ends: 284 [2025-01-10 01:36:13,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:36:13,671 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 179 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:13,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 42 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:36:13,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2025-01-10 01:36:13,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 280. [2025-01-10 01:36:13,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 266 states have (on average 1.2744360902255638) internal successors, (339), 279 states have internal predecessors, (339), 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) [2025-01-10 01:36:13,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 339 transitions. [2025-01-10 01:36:13,679 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 339 transitions. Word has length 34 [2025-01-10 01:36:13,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:13,679 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 339 transitions. [2025-01-10 01:36:13,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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) [2025-01-10 01:36:13,679 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 339 transitions. [2025-01-10 01:36:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 01:36:13,679 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:13,679 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:13,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 01:36:13,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 01:36:13,880 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:13,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:13,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1460369005, now seen corresponding path program 1 times [2025-01-10 01:36:13,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:13,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820915570] [2025-01-10 01:36:13,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:13,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:13,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:36:13,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:36:13,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:13,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:13,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322793583] [2025-01-10 01:36:13,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:13,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:13,893 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:13,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 01:36:13,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:36:13,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:36:13,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:13,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:13,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:36:13,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:14,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:14,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:14,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820915570] [2025-01-10 01:36:14,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:14,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322793583] [2025-01-10 01:36:14,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322793583] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:14,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:14,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:36:14,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758504735] [2025-01-10 01:36:14,308 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:14,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:36:14,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:14,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:36:14,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:14,308 INFO L87 Difference]: Start difference. First operand 280 states and 339 transitions. Second operand has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 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) [2025-01-10 01:36:14,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:14,632 INFO L93 Difference]: Finished difference Result 292 states and 348 transitions. [2025-01-10 01:36:14,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:36:14,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 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 35 [2025-01-10 01:36:14,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:14,633 INFO L225 Difference]: With dead ends: 292 [2025-01-10 01:36:14,633 INFO L226 Difference]: Without dead ends: 290 [2025-01-10 01:36:14,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:36:14,634 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 255 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:14,634 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 85 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:36:14,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-01-10 01:36:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2025-01-10 01:36:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 272 states have (on average 1.2610294117647058) internal successors, (343), 285 states have internal predecessors, (343), 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) [2025-01-10 01:36:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 343 transitions. [2025-01-10 01:36:14,658 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 343 transitions. Word has length 35 [2025-01-10 01:36:14,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:14,658 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 343 transitions. [2025-01-10 01:36:14,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 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) [2025-01-10 01:36:14,658 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 343 transitions. [2025-01-10 01:36:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 01:36:14,658 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:14,658 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:14,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 01:36:14,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:14,859 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:14,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:14,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1581359575, now seen corresponding path program 1 times [2025-01-10 01:36:14,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:14,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281603050] [2025-01-10 01:36:14,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:14,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:14,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:36:14,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:36:14,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:14,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:14,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:14,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281603050] [2025-01-10 01:36:14,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281603050] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:14,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823646507] [2025-01-10 01:36:14,915 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:14,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:14,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:14,917 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:14,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 01:36:14,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:36:14,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:36:14,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:14,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:14,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:14,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:15,070 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:15,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823646507] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:15,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:36:15,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2025-01-10 01:36:15,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990264378] [2025-01-10 01:36:15,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:15,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:36:15,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:15,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:36:15,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:15,071 INFO L87 Difference]: Start difference. First operand 286 states and 343 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2025-01-10 01:36:15,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:15,160 INFO L93 Difference]: Finished difference Result 291 states and 343 transitions. [2025-01-10 01:36:15,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:15,161 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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 39 [2025-01-10 01:36:15,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:15,162 INFO L225 Difference]: With dead ends: 291 [2025-01-10 01:36:15,162 INFO L226 Difference]: Without dead ends: 290 [2025-01-10 01:36:15,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:36:15,162 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 74 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:15,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 49 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:15,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-01-10 01:36:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 286. [2025-01-10 01:36:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 272 states have (on average 1.2536764705882353) internal successors, (341), 285 states have internal predecessors, (341), 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) [2025-01-10 01:36:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 341 transitions. [2025-01-10 01:36:15,171 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 341 transitions. Word has length 39 [2025-01-10 01:36:15,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:15,171 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 341 transitions. [2025-01-10 01:36:15,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 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) [2025-01-10 01:36:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 341 transitions. [2025-01-10 01:36:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 01:36:15,172 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:15,172 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:15,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 01:36:15,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 01:36:15,377 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:15,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:15,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1581373477, now seen corresponding path program 1 times [2025-01-10 01:36:15,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:15,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701546515] [2025-01-10 01:36:15,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:15,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:15,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:36:15,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:36:15,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:15,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:15,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:15,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:15,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701546515] [2025-01-10 01:36:15,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701546515] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:15,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844659475] [2025-01-10 01:36:15,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:15,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:15,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:15,435 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:15,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 01:36:15,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:36:15,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:36:15,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:15,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:15,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:36:15,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:15,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:15,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844659475] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:15,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:36:15,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-01-10 01:36:15,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360851414] [2025-01-10 01:36:15,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:15,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:36:15,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:15,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:36:15,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:15,539 INFO L87 Difference]: Start difference. First operand 286 states and 341 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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) [2025-01-10 01:36:15,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:15,592 INFO L93 Difference]: Finished difference Result 286 states and 341 transitions. [2025-01-10 01:36:15,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:15,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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 39 [2025-01-10 01:36:15,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:15,593 INFO L225 Difference]: With dead ends: 286 [2025-01-10 01:36:15,593 INFO L226 Difference]: Without dead ends: 285 [2025-01-10 01:36:15,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:36:15,594 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:15,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 41 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:15,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2025-01-10 01:36:15,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2025-01-10 01:36:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 272 states have (on average 1.2279411764705883) internal successors, (334), 284 states have internal predecessors, (334), 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) [2025-01-10 01:36:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 334 transitions. [2025-01-10 01:36:15,603 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 334 transitions. Word has length 39 [2025-01-10 01:36:15,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:15,603 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 334 transitions. [2025-01-10 01:36:15,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 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) [2025-01-10 01:36:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 334 transitions. [2025-01-10 01:36:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 01:36:15,604 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:15,604 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:15,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:15,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 01:36:15,805 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:15,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:15,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1944766299, now seen corresponding path program 1 times [2025-01-10 01:36:15,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:15,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154873271] [2025-01-10 01:36:15,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:15,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:15,808 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:36:15,810 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:36:15,810 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:15,810 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:15,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:15,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154873271] [2025-01-10 01:36:15,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154873271] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:15,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160225033] [2025-01-10 01:36:15,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:15,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:15,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:15,874 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:15,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 01:36:15,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 01:36:15,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 01:36:15,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:15,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:15,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:36:15,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:15,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:16,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1160225033] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:16,050 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:16,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-10 01:36:16,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837625440] [2025-01-10 01:36:16,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:16,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:36:16,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:16,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:36:16,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:36:16,051 INFO L87 Difference]: Start difference. First operand 285 states and 334 transitions. Second operand has 14 states, 13 states have (on average 8.846153846153847) internal successors, (115), 14 states have internal predecessors, (115), 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) [2025-01-10 01:36:16,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:16,297 INFO L93 Difference]: Finished difference Result 289 states and 334 transitions. [2025-01-10 01:36:16,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:36:16,298 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.846153846153847) internal successors, (115), 14 states have internal predecessors, (115), 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 39 [2025-01-10 01:36:16,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:16,299 INFO L225 Difference]: With dead ends: 289 [2025-01-10 01:36:16,299 INFO L226 Difference]: Without dead ends: 288 [2025-01-10 01:36:16,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2025-01-10 01:36:16,300 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 186 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:16,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 73 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:36:16,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-01-10 01:36:16,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 284. [2025-01-10 01:36:16,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 272 states have (on average 1.2095588235294117) internal successors, (329), 283 states have internal predecessors, (329), 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) [2025-01-10 01:36:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 329 transitions. [2025-01-10 01:36:16,307 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 329 transitions. Word has length 39 [2025-01-10 01:36:16,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:16,307 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 329 transitions. [2025-01-10 01:36:16,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.846153846153847) internal successors, (115), 14 states have internal predecessors, (115), 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) [2025-01-10 01:36:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 329 transitions. [2025-01-10 01:36:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 01:36:16,307 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:16,307 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:16,313 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:16,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:16,508 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:16,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:16,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1777506478, now seen corresponding path program 1 times [2025-01-10 01:36:16,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:16,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101893281] [2025-01-10 01:36:16,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:16,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:16,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:36:16,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:36:16,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:16,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:16,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:16,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101893281] [2025-01-10 01:36:16,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101893281] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:16,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266795055] [2025-01-10 01:36:16,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:16,564 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:16,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 01:36:16,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:36:16,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:36:16,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:16,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:16,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:16,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:16,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:16,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266795055] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:16,756 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:16,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:36:16,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583530536] [2025-01-10 01:36:16,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:16,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:16,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:16,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:16,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:16,757 INFO L87 Difference]: Start difference. First operand 284 states and 329 transitions. Second operand has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 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) [2025-01-10 01:36:16,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:16,916 INFO L93 Difference]: Finished difference Result 508 states and 612 transitions. [2025-01-10 01:36:16,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:36:16,917 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 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 40 [2025-01-10 01:36:16,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:16,918 INFO L225 Difference]: With dead ends: 508 [2025-01-10 01:36:16,918 INFO L226 Difference]: Without dead ends: 506 [2025-01-10 01:36:16,918 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:16,918 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 89 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:16,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 120 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:16,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2025-01-10 01:36:16,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 468. [2025-01-10 01:36:16,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 456 states have (on average 1.236842105263158) internal successors, (564), 467 states have internal predecessors, (564), 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) [2025-01-10 01:36:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 564 transitions. [2025-01-10 01:36:16,929 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 564 transitions. Word has length 40 [2025-01-10 01:36:16,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:16,929 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 564 transitions. [2025-01-10 01:36:16,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 16.571428571428573) internal successors, (116), 8 states have internal predecessors, (116), 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) [2025-01-10 01:36:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 564 transitions. [2025-01-10 01:36:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 01:36:16,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:16,930 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:16,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 01:36:17,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:17,134 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:17,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:17,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1304879810, now seen corresponding path program 1 times [2025-01-10 01:36:17,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:17,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598944092] [2025-01-10 01:36:17,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:17,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:36:17,144 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:36:17,145 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:17,145 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:17,189 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:17,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:17,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598944092] [2025-01-10 01:36:17,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598944092] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:17,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774135791] [2025-01-10 01:36:17,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:17,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:17,197 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:17,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 01:36:17,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:36:17,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:36:17,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:17,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:17,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:17,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:17,379 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:17,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774135791] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:17,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:17,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:36:17,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005213516] [2025-01-10 01:36:17,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:17,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:17,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:17,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:17,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:17,457 INFO L87 Difference]: Start difference. First operand 468 states and 564 transitions. Second operand has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 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) [2025-01-10 01:36:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:17,620 INFO L93 Difference]: Finished difference Result 695 states and 845 transitions. [2025-01-10 01:36:17,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:36:17,621 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 42 [2025-01-10 01:36:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:17,622 INFO L225 Difference]: With dead ends: 695 [2025-01-10 01:36:17,622 INFO L226 Difference]: Without dead ends: 693 [2025-01-10 01:36:17,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:17,623 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 85 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:17,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 152 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:17,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2025-01-10 01:36:17,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 635. [2025-01-10 01:36:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 623 states have (on average 1.245585874799358) internal successors, (776), 634 states have internal predecessors, (776), 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) [2025-01-10 01:36:17,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 776 transitions. [2025-01-10 01:36:17,639 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 776 transitions. Word has length 42 [2025-01-10 01:36:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:17,639 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 776 transitions. [2025-01-10 01:36:17,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 17.428571428571427) internal successors, (122), 8 states have internal predecessors, (122), 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) [2025-01-10 01:36:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 776 transitions. [2025-01-10 01:36:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 01:36:17,640 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:17,640 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 01:36:17,647 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 01:36:17,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-01-10 01:36:17,844 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:17,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:17,845 INFO L85 PathProgramCache]: Analyzing trace with hash -140950409, now seen corresponding path program 2 times [2025-01-10 01:36:17,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:17,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149986370] [2025-01-10 01:36:17,845 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:36:17,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:17,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-01-10 01:36:17,851 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:36:17,851 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:36:17,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:17,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312676280] [2025-01-10 01:36:17,852 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:36:17,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:17,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:17,855 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:17,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-10 01:36:17,873 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-01-10 01:36:17,881 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:36:17,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:36:17,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:17,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:36:17,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:18,321 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:18,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:18,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:18,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149986370] [2025-01-10 01:36:18,773 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:18,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312676280] [2025-01-10 01:36:18,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312676280] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:18,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:18,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-01-10 01:36:18,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809010775] [2025-01-10 01:36:18,773 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:18,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:36:18,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:18,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:36:18,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:36:18,774 INFO L87 Difference]: Start difference. First operand 635 states and 776 transitions. Second operand has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 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) [2025-01-10 01:36:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:19,592 INFO L93 Difference]: Finished difference Result 734 states and 898 transitions. [2025-01-10 01:36:19,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-10 01:36:19,592 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 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 44 [2025-01-10 01:36:19,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:19,594 INFO L225 Difference]: With dead ends: 734 [2025-01-10 01:36:19,594 INFO L226 Difference]: Without dead ends: 733 [2025-01-10 01:36:19,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=220, Invalid=592, Unknown=0, NotChecked=0, Total=812 [2025-01-10 01:36:19,595 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 236 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:19,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 110 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:36:19,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2025-01-10 01:36:19,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 635. [2025-01-10 01:36:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 623 states have (on average 1.2423756019261638) internal successors, (774), 634 states have internal predecessors, (774), 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) [2025-01-10 01:36:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 774 transitions. [2025-01-10 01:36:19,611 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 774 transitions. Word has length 44 [2025-01-10 01:36:19,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:19,611 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 774 transitions. [2025-01-10 01:36:19,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.6923076923076925) internal successors, (87), 14 states have internal predecessors, (87), 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) [2025-01-10 01:36:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 774 transitions. [2025-01-10 01:36:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 01:36:19,612 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:19,612 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:19,620 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-01-10 01:36:19,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-01-10 01:36:19,813 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-01-10 01:36:19,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:19,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1742069795, now seen corresponding path program 1 times [2025-01-10 01:36:19,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:19,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760554235] [2025-01-10 01:36:19,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:19,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:19,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 01:36:19,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 01:36:19,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:19,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:19,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [252174117] [2025-01-10 01:36:19,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:19,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:19,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:19,826 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:36:19,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-10 01:36:19,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 01:36:19,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 01:36:19,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:19,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:36:19,852 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 01:36:19,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 01:36:19,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 01:36:19,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:19,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:36:19,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 01:36:19,876 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 01:36:19,876 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2025-01-10 01:36:19,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2025-01-10 01:36:19,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2025-01-10 01:36:19,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2025-01-10 01:36:19,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2025-01-10 01:36:19,878 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2025-01-10 01:36:19,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2025-01-10 01:36:19,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2025-01-10 01:36:19,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2025-01-10 01:36:19,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2025-01-10 01:36:19,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:20,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:20,086 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:20,115 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 01:36:20,118 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:36:20 BoogieIcfgContainer [2025-01-10 01:36:20,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 01:36:20,119 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 01:36:20,119 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 01:36:20,119 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 01:36:20,120 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:35:59" (3/4) ... [2025-01-10 01:36:20,120 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-10 01:36:20,166 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 6. [2025-01-10 01:36:20,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 01:36:20,223 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 01:36:20,223 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 01:36:20,224 INFO L158 Benchmark]: Toolchain (without parser) took 21183.12ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 132.2MB in the beginning and 95.5MB in the end (delta: 36.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2025-01-10 01:36:20,224 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 226.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:20,224 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.02ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 121.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:36:20,224 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.17ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 120.9MB in the end (delta: 986.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:20,224 INFO L158 Benchmark]: Boogie Preprocessor took 22.60ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 119.9MB in the end (delta: 985.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:20,225 INFO L158 Benchmark]: RCFGBuilder took 294.03ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 106.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 01:36:20,225 INFO L158 Benchmark]: TraceAbstraction took 20602.11ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 105.8MB in the beginning and 101.7MB in the end (delta: 4.0MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2025-01-10 01:36:20,225 INFO L158 Benchmark]: Witness Printer took 104.57ms. Allocated memory is still 201.3MB. Free memory was 101.7MB in the beginning and 95.5MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:36:20,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 226.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.02ms. Allocated memory is still 167.8MB. Free memory was 132.2MB in the beginning and 121.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.17ms. Allocated memory is still 167.8MB. Free memory was 121.9MB in the beginning and 120.9MB in the end (delta: 986.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.60ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 119.9MB in the end (delta: 985.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 294.03ms. Allocated memory is still 167.8MB. Free memory was 119.9MB in the beginning and 106.3MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 20602.11ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 105.8MB in the beginning and 101.7MB in the end (delta: 4.0MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Witness Printer took 104.57ms. Allocated memory is still 201.3MB. Free memory was 101.7MB in the beginning and 95.5MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 33]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int a, b, p, q, r, s; [L20] int x, y; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L25] COND TRUE x>=1 && y>=1 [L26] a = x [L27] b = y [L28] p = 1 [L29] q = 0 [L30] r = 0 [L31] s = 1 VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r + x * p VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L33] COND TRUE y * r + x * p != x * q + y * s VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L38] COND FALSE !(a > b) VAL [a=1073741824, b=1073741825, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L43] EXPR b - a [L43] b = b - a VAL [a=1073741824, b=1, p=1, q=0, r=0, s=1, x=1073741824, y=1073741825] [L44] EXPR q - p [L44] q = q - p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L45] EXPR s - r [L45] s = s - r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * r + x * p VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] EXPR x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L33] COND TRUE y * r + x * p != x * q + y * s VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L38] COND TRUE a > b VAL [a=1073741824, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L39] EXPR a - b [L39] a = a - b VAL [a=1073741823, b=1, p=1, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L40] EXPR p - q [L40] p = p - q VAL [a=1073741823, b=1, p=2, q=-1, r=0, s=1, x=1073741824, y=1073741825] [L41] EXPR r - s [L41] r = r - s VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L33] y * r VAL [a=1073741823, b=1, p=2, q=-1, r=-1, s=1, x=1073741824, y=1073741825] [L33] x * p VAL [a=1073741823, b=1, q=-1, r=-1, s=1, y=1073741825] - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 33]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 43]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 44]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 20.5s, OverallIterations: 34, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2781 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2781 mSDsluCounter, 2337 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1390 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4129 IncrementalHoareTripleChecker+Invalid, 4245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 947 mSDtfsCounter, 4129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1086 GetRequests, 885 SyntacticMatches, 1 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=635occurred in iteration=32, InterpolantAutomatonStates: 194, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 33 MinimizatonAttempts, 600 StatesRemovedByMinimization, 26 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 1450 NumberOfCodeBlocks, 1450 NumberOfCodeBlocksAsserted, 62 NumberOfCheckSat, 1328 ConstructedInterpolants, 137 QuantifiedInterpolants, 12181 SizeOfPredicates, 29 NumberOfNonLiveVariables, 1151 ConjunctsInSsa, 173 ConjunctsInUnsatCore, 51 InterpolantComputations, 20 PerfectInterpolantSequences, 30/356 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2025-01-10 01:36:20,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)