./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/egcd-both-nt.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-nt.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 8191111967e355faaa9e1f9b07a30261823b2d1609aae7d52c8a75e30cb27230 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:35:55,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:35:55,409 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:35:55,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:35:55,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:35:55,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:35:55,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:35:55,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:35:55,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:35:55,447 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:35:55,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:35:55,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:35:55,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:35:55,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:35:55,448 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:35:55,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:35:55,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:35:55,449 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:35:55,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:35:55,450 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:35:55,451 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:35:55,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:35:55,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:35:55,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:35:55,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:35:55,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:35:55,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:35:55,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:35:55,452 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:35:55,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:35:55,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:35:55,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:35:55,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:35:55,453 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 -> 8191111967e355faaa9e1f9b07a30261823b2d1609aae7d52c8a75e30cb27230 [2025-01-10 01:35:55,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:35:55,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:35:55,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:35:55,741 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:35:55,741 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:35:55,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/egcd-both-nt.c [2025-01-10 01:35:57,036 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eddb508e7/33c7edca38354c34a843973f64d857e3/FLAG7a1b786fd [2025-01-10 01:35:57,285 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:35:57,286 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-nla/egcd-both-nt.c [2025-01-10 01:35:57,310 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eddb508e7/33c7edca38354c34a843973f64d857e3/FLAG7a1b786fd [2025-01-10 01:35:57,638 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eddb508e7/33c7edca38354c34a843973f64d857e3 [2025-01-10 01:35:57,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:35:57,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:35:57,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:35:57,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:35:57,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:35:57,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,647 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 01:35:57, skipping insertion in model container [2025-01-10 01:35:57,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:35:57,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:35:57,787 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:35:57,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:35:57,813 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:35:57,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57 WrapperNode [2025-01-10 01:35:57,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:35:57,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:35:57,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:35:57,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:35:57,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,840 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2025-01-10 01:35:57,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:35:57,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:35:57,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:35:57,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:35:57,849 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,857 INFO L175 MemorySlicer]: No memory access in input program. [2025-01-10 01:35:57,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,860 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:35:57,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:35:57,872 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:35:57,872 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:35:57,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (1/1) ... [2025-01-10 01:35:57,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:35:57,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:57,905 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 01:35:57,909 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 01:35:57,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:35:57,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:35:57,980 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:35:57,983 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:35:58,169 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2025-01-10 01:35:58,169 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:35:58,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:35:58,178 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:35:58,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:35:58 BoogieIcfgContainer [2025-01-10 01:35:58,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:35:58,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:35:58,181 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:35:58,185 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:35:58,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:35:57" (1/3) ... [2025-01-10 01:35:58,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c401b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:35:58, skipping insertion in model container [2025-01-10 01:35:58,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:35:57" (2/3) ... [2025-01-10 01:35:58,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c401b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:35:58, skipping insertion in model container [2025-01-10 01:35:58,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:35:58" (3/3) ... [2025-01-10 01:35:58,189 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-both-nt.c [2025-01-10 01:35:58,202 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:35:58,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-both-nt.c that has 1 procedures, 45 locations, 1 initial locations, 1 loop locations, and 18 error locations. [2025-01-10 01:35:58,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:35:58,266 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;@2cbeb066, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:35:58,266 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2025-01-10 01:35:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 26 states have (on average 1.8461538461538463) internal successors, (48), 44 states have internal predecessors, (48), 0 states have call successors, (0), 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 01:35:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 01:35:58,274 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:58,274 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 01:35:58,275 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:35:58,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:58,280 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2025-01-10 01:35:58,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:58,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821172810] [2025-01-10 01:35:58,287 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:58,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:58,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:35:58,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:35:58,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:58,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:35:58,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517872182] [2025-01-10 01:35:58,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:58,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:58,374 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 01:35:58,376 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 01:35:58,414 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 01:35:58,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 01:35:58,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:58,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:58,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:35:58,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:58,467 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 01:35:58,469 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:35:58,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:58,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821172810] [2025-01-10 01:35:58,470 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:35:58,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517872182] [2025-01-10 01:35:58,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517872182] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:35:58,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:35:58,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:35:58,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250383041] [2025-01-10 01:35:58,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:35:58,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:35:58,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:35:58,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:35:58,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:35:58,492 INFO L87 Difference]: Start difference. First operand has 45 states, 26 states have (on average 1.8461538461538463) internal successors, (48), 44 states have internal predecessors, (48), 0 states have call successors, (0), 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 01:35:58,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:58,563 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2025-01-10 01:35:58,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:35:58,565 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 01:35:58,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:58,570 INFO L225 Difference]: With dead ends: 77 [2025-01-10 01:35:58,570 INFO L226 Difference]: Without dead ends: 67 [2025-01-10 01:35:58,573 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 01:35:58,575 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 26 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 57 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 01:35:58,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 57 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:35:58,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2025-01-10 01:35:58,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2025-01-10 01:35:58,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 54 states have internal predecessors, (67), 0 states have call successors, (0), 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 01:35:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2025-01-10 01:35:58,606 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 4 [2025-01-10 01:35:58,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:58,607 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2025-01-10 01:35:58,607 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 01:35:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2025-01-10 01:35:58,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:35:58,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:58,607 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:35:58,613 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 01:35:58,808 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 01:35:58,808 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:35:58,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:58,809 INFO L85 PathProgramCache]: Analyzing trace with hash 889509673, now seen corresponding path program 1 times [2025-01-10 01:35:58,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:58,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663923610] [2025-01-10 01:35:58,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:58,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:58,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:35:58,817 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:35:58,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:58,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:35:58,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [933316174] [2025-01-10 01:35:58,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:58,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:58,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:58,820 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 01:35:58,822 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 01:35:58,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:35:58,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:35:58,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:58,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:58,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:35:58,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:58,906 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 01:35:58,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:35:58,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:58,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663923610] [2025-01-10 01:35:58,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:35:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933316174] [2025-01-10 01:35:58,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933316174] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:35:58,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:35:58,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:35:58,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13058077] [2025-01-10 01:35:58,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:35:58,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:35:58,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:35:58,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:35:58,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:35:58,908 INFO L87 Difference]: Start difference. First operand 55 states and 67 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 01:35:58,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:58,966 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2025-01-10 01:35:58,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:35:58,966 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 01:35:58,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:58,968 INFO L225 Difference]: With dead ends: 70 [2025-01-10 01:35:58,968 INFO L226 Difference]: Without dead ends: 69 [2025-01-10 01:35:58,968 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 01:35:58,969 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 26 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:35:58,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 49 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:35:58,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-10 01:35:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 55. [2025-01-10 01:35:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.7837837837837838) internal successors, (66), 54 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 01:35:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2025-01-10 01:35:58,975 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 6 [2025-01-10 01:35:58,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:58,975 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2025-01-10 01:35:58,975 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 01:35:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2025-01-10 01:35:58,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 01:35:58,976 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:58,976 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:35:58,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:35:59,176 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 01:35:59,177 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:35:59,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:59,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1804996133, now seen corresponding path program 1 times [2025-01-10 01:35:59,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:59,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203821232] [2025-01-10 01:35:59,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:59,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:35:59,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:35:59,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:35:59,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945049611] [2025-01-10 01:35:59,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:59,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:59,188 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 01:35:59,191 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 01:35:59,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 01:35:59,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 01:35:59,221 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:59,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:35:59,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:59,263 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 01:35:59,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:35:59,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:59,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203821232] [2025-01-10 01:35:59,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:35:59,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945049611] [2025-01-10 01:35:59,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945049611] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:35:59,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:35:59,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:35:59,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449150716] [2025-01-10 01:35:59,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:35:59,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:35:59,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:35:59,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:35:59,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:35:59,265 INFO L87 Difference]: Start difference. First operand 55 states and 66 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 01:35:59,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:59,322 INFO L93 Difference]: Finished difference Result 70 states and 78 transitions. [2025-01-10 01:35:59,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:35:59,322 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 01:35:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:59,323 INFO L225 Difference]: With dead ends: 70 [2025-01-10 01:35:59,323 INFO L226 Difference]: Without dead ends: 69 [2025-01-10 01:35:59,323 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 01:35:59,324 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 90 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:35:59,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 47 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:35:59,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-10 01:35:59,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 55. [2025-01-10 01:35:59,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 54 states have internal predecessors, (65), 0 states have call successors, (0), 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 01:35:59,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2025-01-10 01:35:59,329 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 7 [2025-01-10 01:35:59,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:59,329 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2025-01-10 01:35:59,330 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 01:35:59,330 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2025-01-10 01:35:59,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 01:35:59,330 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:59,330 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:35:59,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 01:35:59,530 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 01:35:59,531 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:35:59,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:59,531 INFO L85 PathProgramCache]: Analyzing trace with hash 120305323, now seen corresponding path program 1 times [2025-01-10 01:35:59,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:59,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127208894] [2025-01-10 01:35:59,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:59,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:35:59,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:35:59,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:35:59,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1216612585] [2025-01-10 01:35:59,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:59,545 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 01:35:59,547 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 01:35:59,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:35:59,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:35:59,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:59,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:35:59,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:59,608 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 01:35:59,608 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:35:59,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:59,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127208894] [2025-01-10 01:35:59,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:35:59,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216612585] [2025-01-10 01:35:59,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216612585] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:35:59,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:35:59,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:35:59,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966030453] [2025-01-10 01:35:59,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:35:59,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:35:59,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:35:59,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:35:59,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:35:59,610 INFO L87 Difference]: Start difference. First operand 55 states and 65 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 01:35:59,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:35:59,678 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2025-01-10 01:35:59,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:35:59,679 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 01:35:59,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:35:59,679 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:35:59,679 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:35:59,680 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 01:35:59,680 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 40 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:35:59,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 45 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:35:59,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:35:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 55. [2025-01-10 01:35:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 54 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:35:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2025-01-10 01:35:59,685 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 8 [2025-01-10 01:35:59,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:35:59,685 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2025-01-10 01:35:59,685 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 01:35:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2025-01-10 01:35:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:35:59,686 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:35:59,686 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:35:59,693 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 01:35:59,886 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 01:35:59,886 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:35:59,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:35:59,887 INFO L85 PathProgramCache]: Analyzing trace with hash -565502233, now seen corresponding path program 1 times [2025-01-10 01:35:59,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:35:59,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279838478] [2025-01-10 01:35:59,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:35:59,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:35:59,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:35:59,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:35:59,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084848043] [2025-01-10 01:35:59,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:35:59,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:35:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:35:59,902 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 01:35:59,905 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 01:35:59,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:35:59,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:35:59,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:35:59,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:35:59,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:35:59,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:35:59,998 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 01:35:59,998 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:35:59,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:35:59,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279838478] [2025-01-10 01:35:59,999 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:35:59,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084848043] [2025-01-10 01:35:59,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084848043] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:35:59,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:35:59,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:35:59,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375928772] [2025-01-10 01:36:00,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:00,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:00,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,001 INFO L87 Difference]: Start difference. First operand 55 states and 64 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 01:36:00,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,086 INFO L93 Difference]: Finished difference Result 70 states and 76 transitions. [2025-01-10 01:36:00,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:00,086 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 01:36:00,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,087 INFO L225 Difference]: With dead ends: 70 [2025-01-10 01:36:00,087 INFO L226 Difference]: Without dead ends: 69 [2025-01-10 01:36:00,087 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 01:36:00,088 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 39 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 48 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:00,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-10 01:36:00,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 55. [2025-01-10 01:36:00,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 54 states have internal predecessors, (63), 0 states have call successors, (0), 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 01:36:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2025-01-10 01:36:00,100 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 9 [2025-01-10 01:36:00,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,100 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2025-01-10 01:36:00,100 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 01:36:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2025-01-10 01:36:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:36:00,101 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,101 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,109 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 01:36:00,301 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 01:36:00,302 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,302 INFO L85 PathProgramCache]: Analyzing trace with hash -2015235120, now seen corresponding path program 1 times [2025-01-10 01:36:00,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954834567] [2025-01-10 01:36:00,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:36:00,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:36:00,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,376 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 01:36:00,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954834567] [2025-01-10 01:36:00,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954834567] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:00,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260411009] [2025-01-10 01:36:00,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:00,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,377 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:00,377 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:00,377 INFO L87 Difference]: Start difference. First operand 55 states and 63 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 01:36:00,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,395 INFO L93 Difference]: Finished difference Result 55 states and 63 transitions. [2025-01-10 01:36:00,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:00,396 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 01:36:00,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,396 INFO L225 Difference]: With dead ends: 55 [2025-01-10 01:36:00,396 INFO L226 Difference]: Without dead ends: 54 [2025-01-10 01:36:00,396 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 01:36:00,397 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 67 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:00,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2025-01-10 01:36:00,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2025-01-10 01:36:00,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 53 states have internal predecessors, (62), 0 states have call successors, (0), 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 01:36:00,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2025-01-10 01:36:00,401 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 12 [2025-01-10 01:36:00,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,401 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2025-01-10 01:36:00,401 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 01:36:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2025-01-10 01:36:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:36:00,402 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,402 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:36:00,402 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2015235568, now seen corresponding path program 1 times [2025-01-10 01:36:00,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363655692] [2025-01-10 01:36:00,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:36:00,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:36:00,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,448 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 01:36:00,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363655692] [2025-01-10 01:36:00,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363655692] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:00,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475722966] [2025-01-10 01:36:00,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:00,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:00,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:00,450 INFO L87 Difference]: Start difference. First operand 54 states and 62 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 01:36:00,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,465 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions. [2025-01-10 01:36:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:00,466 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 01:36:00,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,466 INFO L225 Difference]: With dead ends: 54 [2025-01-10 01:36:00,466 INFO L226 Difference]: Without dead ends: 53 [2025-01-10 01:36:00,467 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 01:36:00,467 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 66 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 01:36:00,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 66 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:00,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2025-01-10 01:36:00,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2025-01-10 01:36:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.6216216216216217) internal successors, (60), 52 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 01:36:00,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2025-01-10 01:36:00,473 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 12 [2025-01-10 01:36:00,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,473 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2025-01-10 01:36:00,473 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 01:36:00,473 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2025-01-10 01:36:00,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:36:00,473 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,473 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 01:36:00,475 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1952220797, now seen corresponding path program 1 times [2025-01-10 01:36:00,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973604039] [2025-01-10 01:36:00,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,479 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:36:00,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:36:00,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,533 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 01:36:00,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973604039] [2025-01-10 01:36:00,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973604039] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:00,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516113939] [2025-01-10 01:36:00,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:00,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:00,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,534 INFO L87 Difference]: Start difference. First operand 53 states and 60 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 01:36:00,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,593 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2025-01-10 01:36:00,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:00,594 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 01:36:00,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,594 INFO L225 Difference]: With dead ends: 64 [2025-01-10 01:36:00,594 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 01:36:00,594 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 01:36:00,595 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 47 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 45 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:00,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 01:36:00,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-10 01:36:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.5106382978723405) internal successors, (71), 62 states have internal predecessors, (71), 0 states have call successors, (0), 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 01:36:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2025-01-10 01:36:00,600 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 13 [2025-01-10 01:36:00,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,600 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2025-01-10 01:36:00,600 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 01:36:00,600 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2025-01-10 01:36:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:36:00,601 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,601 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 01:36:00,601 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1952206895, now seen corresponding path program 1 times [2025-01-10 01:36:00,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037756080] [2025-01-10 01:36:00,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:36:00,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:36:00,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,674 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 01:36:00,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037756080] [2025-01-10 01:36:00,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037756080] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:36:00,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642398634] [2025-01-10 01:36:00,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:36:00,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:36:00,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:36:00,676 INFO L87 Difference]: Start difference. First operand 63 states and 71 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 01:36:00,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,743 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2025-01-10 01:36:00,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:00,743 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 01:36:00,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,744 INFO L225 Difference]: With dead ends: 66 [2025-01-10 01:36:00,744 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 01:36:00,744 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 01:36:00,745 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 47 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,745 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 45 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:00,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 01:36:00,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-01-10 01:36:00,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.489795918367347) internal successors, (73), 64 states have internal predecessors, (73), 0 states have call successors, (0), 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 01:36:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2025-01-10 01:36:00,750 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 73 transitions. Word has length 13 [2025-01-10 01:36:00,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,751 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 73 transitions. [2025-01-10 01:36:00,751 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 01:36:00,751 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2025-01-10 01:36:00,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:36:00,751 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,751 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 01:36:00,752 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,752 INFO L85 PathProgramCache]: Analyzing trace with hash 389302642, now seen corresponding path program 1 times [2025-01-10 01:36:00,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788808978] [2025-01-10 01:36:00,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:36:00,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:36:00,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,804 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 01:36:00,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788808978] [2025-01-10 01:36:00,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788808978] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:00,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856265988] [2025-01-10 01:36:00,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:00,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:00,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:00,806 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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 01:36:00,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,860 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2025-01-10 01:36:00,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:00,860 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 01:36:00,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,861 INFO L225 Difference]: With dead ends: 71 [2025-01-10 01:36:00,861 INFO L226 Difference]: Without dead ends: 69 [2025-01-10 01:36:00,861 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 01:36:00,861 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 5 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,861 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 50 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:00,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-10 01:36:00,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2025-01-10 01:36:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 67 states have internal predecessors, (77), 0 states have call successors, (0), 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 01:36:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2025-01-10 01:36:00,870 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 14 [2025-01-10 01:36:00,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,870 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2025-01-10 01:36:00,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 01:36:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2025-01-10 01:36:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:36:00,870 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,870 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 01:36:00,875 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,875 INFO L85 PathProgramCache]: Analyzing trace with hash 388871666, now seen corresponding path program 1 times [2025-01-10 01:36:00,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982400127] [2025-01-10 01:36:00,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:36:00,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:36:00,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:00,916 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 01:36:00,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:00,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982400127] [2025-01-10 01:36:00,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982400127] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:00,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:00,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:00,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855585062] [2025-01-10 01:36:00,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:00,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:00,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:00,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:00,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:00,917 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 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 01:36:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:00,969 INFO L93 Difference]: Finished difference Result 71 states and 79 transitions. [2025-01-10 01:36:00,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:00,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 01:36:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:00,970 INFO L225 Difference]: With dead ends: 71 [2025-01-10 01:36:00,970 INFO L226 Difference]: Without dead ends: 69 [2025-01-10 01:36:00,970 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 01:36:00,971 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:00,972 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 52 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:00,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2025-01-10 01:36:00,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2025-01-10 01:36:00,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 68 states have internal predecessors, (77), 0 states have call successors, (0), 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 01:36:00,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 77 transitions. [2025-01-10 01:36:00,981 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 77 transitions. Word has length 14 [2025-01-10 01:36:00,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:00,981 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 77 transitions. [2025-01-10 01:36:00,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 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 01:36:00,983 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2025-01-10 01:36:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:36:00,983 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:00,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:00,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 01:36:00,983 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:00,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:00,984 INFO L85 PathProgramCache]: Analyzing trace with hash 457686804, now seen corresponding path program 1 times [2025-01-10 01:36:00,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:00,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281247085] [2025-01-10 01:36:00,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:00,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:00,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:36:00,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:36:00,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:00,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:01,028 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 01:36:01,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281247085] [2025-01-10 01:36:01,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281247085] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:01,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:01,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623084865] [2025-01-10 01:36:01,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:01,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:01,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:01,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:01,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:01,030 INFO L87 Difference]: Start difference. First operand 69 states and 77 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 01:36:01,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:01,081 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2025-01-10 01:36:01,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:01,082 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2025-01-10 01:36:01,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:01,083 INFO L225 Difference]: With dead ends: 75 [2025-01-10 01:36:01,084 INFO L226 Difference]: Without dead ends: 73 [2025-01-10 01:36:01,084 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 01:36:01,086 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:01,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 50 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:01,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-01-10 01:36:01,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2025-01-10 01:36:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 71 states have internal predecessors, (81), 0 states have call successors, (0), 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 01:36:01,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 81 transitions. [2025-01-10 01:36:01,095 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 81 transitions. Word has length 16 [2025-01-10 01:36:01,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:01,096 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 81 transitions. [2025-01-10 01:36:01,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 01:36:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2025-01-10 01:36:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 01:36:01,098 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:01,098 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:01,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 01:36:01,098 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:01,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:01,099 INFO L85 PathProgramCache]: Analyzing trace with hash 43518420, now seen corresponding path program 1 times [2025-01-10 01:36:01,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:01,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126079882] [2025-01-10 01:36:01,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:01,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 01:36:01,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 01:36:01,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:01,160 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 01:36:01,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:01,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126079882] [2025-01-10 01:36:01,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126079882] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:01,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:36:01,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:36:01,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918708854] [2025-01-10 01:36:01,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:01,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:36:01,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:01,161 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:36:01,161 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:36:01,161 INFO L87 Difference]: Start difference. First operand 72 states and 81 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 01:36:01,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:01,203 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2025-01-10 01:36:01,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:36:01,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2025-01-10 01:36:01,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:01,204 INFO L225 Difference]: With dead ends: 75 [2025-01-10 01:36:01,204 INFO L226 Difference]: Without dead ends: 73 [2025-01-10 01:36:01,205 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 01:36:01,205 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:01,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 52 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-01-10 01:36:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-01-10 01:36:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.4210526315789473) internal successors, (81), 72 states have internal predecessors, (81), 0 states have call successors, (0), 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 01:36:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2025-01-10 01:36:01,213 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 16 [2025-01-10 01:36:01,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:01,213 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2025-01-10 01:36:01,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 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 01:36:01,213 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2025-01-10 01:36:01,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:36:01,213 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:01,214 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 01:36:01,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 01:36:01,214 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:01,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:01,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1750357127, now seen corresponding path program 1 times [2025-01-10 01:36:01,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:01,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915584433] [2025-01-10 01:36:01,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:01,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:36:01,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:36:01,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:01,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [906525543] [2025-01-10 01:36:01,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:01,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:01,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:01,226 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 01:36:01,228 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 01:36:01,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-01-10 01:36:01,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-01-10 01:36:01,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:01,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:01,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:01,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:01,437 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 01:36:01,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:01,703 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 01:36:01,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:01,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915584433] [2025-01-10 01:36:01,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:01,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906525543] [2025-01-10 01:36:01,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906525543] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:01,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:01,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:36:01,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235818780] [2025-01-10 01:36:01,703 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:01,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:01,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:01,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:01,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:01,704 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 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 01:36:01,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:01,816 INFO L93 Difference]: Finished difference Result 113 states and 127 transitions. [2025-01-10 01:36:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:01,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 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 01:36:01,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:01,817 INFO L225 Difference]: With dead ends: 113 [2025-01-10 01:36:01,817 INFO L226 Difference]: Without dead ends: 110 [2025-01-10 01:36:01,817 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:36:01,817 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 138 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:01,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 78 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-01-10 01:36:01,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 80. [2025-01-10 01:36:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.421875) internal successors, (91), 79 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 01:36:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2025-01-10 01:36:01,821 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 18 [2025-01-10 01:36:01,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:01,822 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2025-01-10 01:36:01,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 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 01:36:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2025-01-10 01:36:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 01:36:01,822 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:01,822 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:01,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:02,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-10 01:36:02,026 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:02,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1573503869, now seen corresponding path program 1 times [2025-01-10 01:36:02,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:02,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638901060] [2025-01-10 01:36:02,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:02,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:36:02,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:36:02,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:02,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737130206] [2025-01-10 01:36:02,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:02,036 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 01:36:02,038 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 01:36:02,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 01:36:02,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 01:36:02,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:02,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:02,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:02,224 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 01:36:02,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:02,478 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 01:36:02,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:02,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638901060] [2025-01-10 01:36:02,478 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:02,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737130206] [2025-01-10 01:36:02,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737130206] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:02,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:02,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2025-01-10 01:36:02,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813256872] [2025-01-10 01:36:02,478 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:02,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:36:02,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:02,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:36:02,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:02,479 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:02,575 INFO L93 Difference]: Finished difference Result 84 states and 91 transitions. [2025-01-10 01:36:02,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:36:02,576 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2025-01-10 01:36:02,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:02,576 INFO L225 Difference]: With dead ends: 84 [2025-01-10 01:36:02,576 INFO L226 Difference]: Without dead ends: 81 [2025-01-10 01:36:02,576 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 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 01:36:02,577 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 105 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:02,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 49 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:02,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-01-10 01:36:02,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2025-01-10 01:36:02,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 64 states have (on average 1.34375) internal successors, (86), 76 states have internal predecessors, (86), 0 states have call successors, (0), 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 01:36:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2025-01-10 01:36:02,581 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 19 [2025-01-10 01:36:02,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:02,581 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2025-01-10 01:36:02,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:02,581 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2025-01-10 01:36:02,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-01-10 01:36:02,581 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:02,581 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:02,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 01:36:02,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,782 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:02,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:02,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1533979639, now seen corresponding path program 1 times [2025-01-10 01:36:02,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:02,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755843114] [2025-01-10 01:36:02,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:02,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:36:02,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:36:02,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:02,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [279464482] [2025-01-10 01:36:02,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:02,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:02,795 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 01:36:02,797 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 01:36:02,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-10 01:36:02,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-10 01:36:02,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:02,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:02,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:02,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:02,950 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 01:36:02,951 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:03,113 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 01:36:03,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755843114] [2025-01-10 01:36:03,114 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:03,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279464482] [2025-01-10 01:36:03,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279464482] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:03,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:03,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 6 [2025-01-10 01:36:03,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584425143] [2025-01-10 01:36:03,114 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:36:03,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:36:03,115 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:03,115 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 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 01:36:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:03,155 INFO L93 Difference]: Finished difference Result 77 states and 86 transitions. [2025-01-10 01:36:03,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:36:03,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 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 20 [2025-01-10 01:36:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:03,156 INFO L225 Difference]: With dead ends: 77 [2025-01-10 01:36:03,156 INFO L226 Difference]: Without dead ends: 74 [2025-01-10 01:36:03,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:03,157 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:03,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 22 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-01-10 01:36:03,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2025-01-10 01:36:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.2698412698412698) internal successors, (80), 72 states have internal predecessors, (80), 0 states have call successors, (0), 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 01:36:03,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2025-01-10 01:36:03,170 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 20 [2025-01-10 01:36:03,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:03,171 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2025-01-10 01:36:03,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 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 01:36:03,171 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2025-01-10 01:36:03,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 01:36:03,171 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:03,171 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:03,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:03,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 01:36:03,372 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:03,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:03,373 INFO L85 PathProgramCache]: Analyzing trace with hash -308728507, now seen corresponding path program 1 times [2025-01-10 01:36:03,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:03,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572103593] [2025-01-10 01:36:03,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:03,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 01:36:03,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 01:36:03,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:03,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [193169110] [2025-01-10 01:36:03,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:03,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:03,388 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 01:36:03,390 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 01:36:03,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 01:36:03,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 01:36:03,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:03,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:03,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:03,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:03,550 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 01:36:03,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:03,789 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 01:36:03,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:03,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572103593] [2025-01-10 01:36:03,790 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:03,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193169110] [2025-01-10 01:36:03,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193169110] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:03,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:03,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2025-01-10 01:36:03,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963547554] [2025-01-10 01:36:03,791 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:03,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:36:03,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:03,791 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:36:03,791 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:03,792 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 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 01:36:03,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:03,892 INFO L93 Difference]: Finished difference Result 131 states and 148 transitions. [2025-01-10 01:36:03,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:03,893 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 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 21 [2025-01-10 01:36:03,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:03,894 INFO L225 Difference]: With dead ends: 131 [2025-01-10 01:36:03,894 INFO L226 Difference]: Without dead ends: 128 [2025-01-10 01:36:03,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 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 01:36:03,895 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 128 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:03,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 74 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:03,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-01-10 01:36:03,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 97. [2025-01-10 01:36:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 87 states have (on average 1.2873563218390804) internal successors, (112), 96 states have internal predecessors, (112), 0 states have call successors, (0), 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 01:36:03,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 112 transitions. [2025-01-10 01:36:03,900 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 112 transitions. Word has length 21 [2025-01-10 01:36:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:03,900 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 112 transitions. [2025-01-10 01:36:03,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 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 01:36:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 112 transitions. [2025-01-10 01:36:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 01:36:03,901 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:03,901 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:03,909 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 01:36:04,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:04,102 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:04,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:04,102 INFO L85 PathProgramCache]: Analyzing trace with hash -980649077, now seen corresponding path program 1 times [2025-01-10 01:36:04,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:04,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889478952] [2025-01-10 01:36:04,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:04,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:36:04,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:36:04,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:04,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275275771] [2025-01-10 01:36:04,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:04,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:04,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:04,111 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 01:36:04,112 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 01:36:04,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-10 01:36:04,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-10 01:36:04,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:04,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:04,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:36:04,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:04,252 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 01:36:04,252 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:04,504 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 01:36:04,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:04,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889478952] [2025-01-10 01:36:04,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:04,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275275771] [2025-01-10 01:36:04,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275275771] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:04,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:04,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:36:04,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319912510] [2025-01-10 01:36:04,505 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:04,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:04,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:04,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:04,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:04,505 INFO L87 Difference]: Start difference. First operand 97 states and 112 transitions. Second operand has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:04,908 INFO L93 Difference]: Finished difference Result 159 states and 180 transitions. [2025-01-10 01:36:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:36:04,908 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2025-01-10 01:36:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:04,910 INFO L225 Difference]: With dead ends: 159 [2025-01-10 01:36:04,910 INFO L226 Difference]: Without dead ends: 158 [2025-01-10 01:36:04,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:36:04,911 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 185 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:04,911 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 56 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:36:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-01-10 01:36:04,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 122. [2025-01-10 01:36:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 121 states have internal predecessors, (146), 0 states have call successors, (0), 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 01:36:04,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2025-01-10 01:36:04,918 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 22 [2025-01-10 01:36:04,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:04,918 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2025-01-10 01:36:04,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.0) internal successors, (42), 8 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:36:04,919 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2025-01-10 01:36:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 01:36:04,919 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:04,919 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:04,927 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 01:36:05,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 01:36:05,123 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:05,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:05,123 INFO L85 PathProgramCache]: Analyzing trace with hash -335350265, now seen corresponding path program 1 times [2025-01-10 01:36:05,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:05,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421774910] [2025-01-10 01:36:05,124 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:05,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:05,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:36:05,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:36:05,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:05,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:05,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031001993] [2025-01-10 01:36:05,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:05,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:05,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:05,133 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 01:36:05,136 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 01:36:05,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 01:36:05,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 01:36:05,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:05,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:05,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:05,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:05,309 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 01:36:05,309 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:05,897 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 01:36:05,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:05,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421774910] [2025-01-10 01:36:05,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:05,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031001993] [2025-01-10 01:36:05,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031001993] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:05,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:05,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:36:05,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601540091] [2025-01-10 01:36:05,898 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:05,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:05,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:05,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:05,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:05,900 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 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 01:36:06,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:06,176 INFO L93 Difference]: Finished difference Result 125 states and 146 transitions. [2025-01-10 01:36:06,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:36:06,176 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 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 23 [2025-01-10 01:36:06,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:06,177 INFO L225 Difference]: With dead ends: 125 [2025-01-10 01:36:06,177 INFO L226 Difference]: Without dead ends: 124 [2025-01-10 01:36:06,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:36:06,178 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 71 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:06,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 37 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:36:06,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-01-10 01:36:06,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2025-01-10 01:36:06,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 112 states have (on average 1.2767857142857142) internal successors, (143), 120 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 01:36:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2025-01-10 01:36:06,184 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 23 [2025-01-10 01:36:06,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:06,184 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2025-01-10 01:36:06,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 8 states have internal predecessors, (44), 0 states have call successors, (0), 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 01:36:06,184 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2025-01-10 01:36:06,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:36:06,185 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:06,185 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:06,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 01:36:06,389 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 01:36:06,389 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:06,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1508651619, now seen corresponding path program 1 times [2025-01-10 01:36:06,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:06,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345297052] [2025-01-10 01:36:06,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:06,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:06,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:06,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:06,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:06,456 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:06,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:06,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345297052] [2025-01-10 01:36:06,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345297052] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:06,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437161168] [2025-01-10 01:36:06,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:06,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:06,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:06,461 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 01:36:06,462 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 01:36:06,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:06,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:06,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:06,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:06,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:36:06,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:06,577 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:06,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437161168] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:06,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:36:06,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-01-10 01:36:06,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405936467] [2025-01-10 01:36:06,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:06,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:36:06,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:06,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:36:06,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:36:06,579 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 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 01:36:06,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:06,650 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2025-01-10 01:36:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:36:06,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 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 01:36:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:06,651 INFO L225 Difference]: With dead ends: 124 [2025-01-10 01:36:06,652 INFO L226 Difference]: Without dead ends: 123 [2025-01-10 01:36:06,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:36:06,653 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 55 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:06,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 53 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:06,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-01-10 01:36:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2025-01-10 01:36:06,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 112 states have (on average 1.2678571428571428) internal successors, (142), 120 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 01:36:06,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2025-01-10 01:36:06,662 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 27 [2025-01-10 01:36:06,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:06,662 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2025-01-10 01:36:06,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 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 01:36:06,663 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2025-01-10 01:36:06,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:36:06,663 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:06,663 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:06,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 01:36:06,864 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 01:36:06,864 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:06,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:06,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1508665521, now seen corresponding path program 1 times [2025-01-10 01:36:06,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:06,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560826882] [2025-01-10 01:36:06,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:06,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:06,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:06,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:06,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:06,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:06,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:06,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560826882] [2025-01-10 01:36:06,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560826882] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:06,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038127040] [2025-01-10 01:36:06,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:06,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:06,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:06,931 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 01:36:06,932 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 01:36:06,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:06,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:06,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:06,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:06,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:36:06,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:07,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:07,065 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:36:07,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038127040] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:36:07,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:36:07,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-01-10 01:36:07,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490892710] [2025-01-10 01:36:07,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:36:07,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:36:07,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:07,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:36:07,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:36:07,067 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 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 01:36:07,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:07,116 INFO L93 Difference]: Finished difference Result 121 states and 142 transitions. [2025-01-10 01:36:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:36:07,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 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 01:36:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:07,117 INFO L225 Difference]: With dead ends: 121 [2025-01-10 01:36:07,117 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 01:36:07,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:36:07,118 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 52 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:07,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 35 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:36:07,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 01:36:07,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-01-10 01:36:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 112 states have (on average 1.2321428571428572) internal successors, (138), 119 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 01:36:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2025-01-10 01:36:07,125 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 27 [2025-01-10 01:36:07,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:07,125 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2025-01-10 01:36:07,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 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 01:36:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2025-01-10 01:36:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:36:07,127 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:07,127 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:07,135 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 01:36:07,328 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 01:36:07,328 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:07,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:07,329 INFO L85 PathProgramCache]: Analyzing trace with hash 122389583, now seen corresponding path program 1 times [2025-01-10 01:36:07,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:07,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293146762] [2025-01-10 01:36:07,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:07,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:07,333 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:07,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:07,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:07,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:07,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293146762] [2025-01-10 01:36:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293146762] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512271370] [2025-01-10 01:36:07,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:07,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:07,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:07,393 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 01:36:07,396 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 01:36:07,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:36:07,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:36:07,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:07,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:07,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:36:07,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:07,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:07,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:07,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512271370] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:07,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:07,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-01-10 01:36:07,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361407695] [2025-01-10 01:36:07,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:07,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:36:07,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:07,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:36:07,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:36:07,612 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 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 01:36:07,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:07,813 INFO L93 Difference]: Finished difference Result 122 states and 138 transitions. [2025-01-10 01:36:07,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:36:07,813 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 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 01:36:07,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:07,814 INFO L225 Difference]: With dead ends: 122 [2025-01-10 01:36:07,814 INFO L226 Difference]: Without dead ends: 121 [2025-01-10 01:36:07,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=391, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:36:07,816 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 146 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:07,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 53 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-01-10 01:36:07,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2025-01-10 01:36:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 118 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 01:36:07,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 135 transitions. [2025-01-10 01:36:07,825 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 135 transitions. Word has length 27 [2025-01-10 01:36:07,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:07,825 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 135 transitions. [2025-01-10 01:36:07,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 0 states have call successors, (0), 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 01:36:07,825 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 135 transitions. [2025-01-10 01:36:07,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 01:36:07,826 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:07,826 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:07,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 01:36:08,031 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 01:36:08,031 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:08,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash 476440146, now seen corresponding path program 1 times [2025-01-10 01:36:08,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:08,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946261679] [2025-01-10 01:36:08,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:08,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:08,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:36:08,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:36:08,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:08,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:08,077 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 01:36:08,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:08,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946261679] [2025-01-10 01:36:08,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946261679] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:08,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680567785] [2025-01-10 01:36:08,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:08,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:08,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:08,080 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 01:36:08,082 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 01:36:08,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 01:36:08,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 01:36:08,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:08,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:08,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:08,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:08,209 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 01:36:08,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:08,262 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 01:36:08,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680567785] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:08,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:08,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:36:08,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756075908] [2025-01-10 01:36:08,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:08,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:08,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:08,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:08,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:08,265 INFO L87 Difference]: Start difference. First operand 119 states and 135 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 01:36:08,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:08,377 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2025-01-10 01:36:08,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:36:08,377 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 01:36:08,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:08,378 INFO L225 Difference]: With dead ends: 261 [2025-01-10 01:36:08,378 INFO L226 Difference]: Without dead ends: 259 [2025-01-10 01:36:08,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 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 01:36:08,379 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 56 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:08,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 117 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:08,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-01-10 01:36:08,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 231. [2025-01-10 01:36:08,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 224 states have (on average 1.2008928571428572) internal successors, (269), 230 states have internal predecessors, (269), 0 states have call successors, (0), 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 01:36:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 269 transitions. [2025-01-10 01:36:08,394 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 269 transitions. Word has length 28 [2025-01-10 01:36:08,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:08,394 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 269 transitions. [2025-01-10 01:36:08,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 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 01:36:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 269 transitions. [2025-01-10 01:36:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 01:36:08,395 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:08,395 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:36:08,403 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 01:36:08,599 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 01:36:08,599 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:08,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash -733257022, now seen corresponding path program 1 times [2025-01-10 01:36:08,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:08,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798777952] [2025-01-10 01:36:08,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:08,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:08,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:36:08,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:36:08,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:08,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:08,643 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:08,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:08,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798777952] [2025-01-10 01:36:08,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798777952] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:36:08,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996826658] [2025-01-10 01:36:08,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:36:08,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:08,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:08,646 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 01:36:08,648 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 01:36:08,668 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 01:36:08,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 01:36:08,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:36:08,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:08,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:36:08,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:08,782 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:36:08,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996826658] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:08,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:36:08,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-01-10 01:36:08,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582901109] [2025-01-10 01:36:08,838 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:08,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:36:08,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:08,839 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:36:08,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:36:08,839 INFO L87 Difference]: Start difference. First operand 231 states and 269 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 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 01:36:08,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:36:08,962 INFO L93 Difference]: Finished difference Result 442 states and 511 transitions. [2025-01-10 01:36:08,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:36:08,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 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 01:36:08,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:36:08,964 INFO L225 Difference]: With dead ends: 442 [2025-01-10 01:36:08,964 INFO L226 Difference]: Without dead ends: 440 [2025-01-10 01:36:08,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 55 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 01:36:08,965 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 90 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:36:08,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 116 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:36:08,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-01-10 01:36:08,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 379. [2025-01-10 01:36:08,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 372 states have (on average 1.1720430107526882) internal successors, (436), 378 states have internal predecessors, (436), 0 states have call successors, (0), 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 01:36:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 436 transitions. [2025-01-10 01:36:08,991 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 436 transitions. Word has length 30 [2025-01-10 01:36:08,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:36:08,991 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 436 transitions. [2025-01-10 01:36:08,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 0 states have call successors, (0), 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 01:36:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 436 transitions. [2025-01-10 01:36:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 01:36:08,992 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:36:08,992 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 01:36:09,001 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 01:36:09,192 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 01:36:09,193 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:36:09,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:36:09,193 INFO L85 PathProgramCache]: Analyzing trace with hash 262963559, now seen corresponding path program 2 times [2025-01-10 01:36:09,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:36:09,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984974326] [2025-01-10 01:36:09,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:36:09,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:36:09,198 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-01-10 01:36:09,202 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:36:09,202 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:36:09,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:36:09,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683914700] [2025-01-10 01:36:09,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:36:09,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:36:09,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:36:09,205 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 01:36:09,207 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 01:36:09,229 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 32 statements into 2 equivalence classes. [2025-01-10 01:36:09,241 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:36:09,241 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:36:09,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:36:09,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:36:09,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:36:19,366 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 01:36:19,367 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:36:25,406 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 01:36:25,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:36:25,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984974326] [2025-01-10 01:36:25,406 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:36:25,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683914700] [2025-01-10 01:36:25,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683914700] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:36:25,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:36:25,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 01:36:25,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667209179] [2025-01-10 01:36:25,407 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:36:25,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:36:25,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:36:25,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:36:25,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=177, Unknown=7, NotChecked=0, Total=240 [2025-01-10 01:36:25,408 INFO L87 Difference]: Start difference. First operand 379 states and 436 transitions. Second operand has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 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 01:36:26,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:36:28,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:36:29,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:36:30,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:36:32,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 01:36:36,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2025-01-10 01:36:41,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2025-01-10 01:36:46,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2025-01-10 01:36:48,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2025-01-10 01:37:00,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2025-01-10 01:37:10,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0, 1] [2025-01-10 01:37:11,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:37:11,574 INFO L93 Difference]: Finished difference Result 454 states and 522 transitions. [2025-01-10 01:37:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 01:37:11,575 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 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 32 [2025-01-10 01:37:11,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:37:11,577 INFO L225 Difference]: With dead ends: 454 [2025-01-10 01:37:11,577 INFO L226 Difference]: Without dead ends: 453 [2025-01-10 01:37:11,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 34.1s TimeCoverageRelationStatistics Valid=294, Invalid=884, Unknown=12, NotChecked=0, Total=1190 [2025-01-10 01:37:11,579 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 114 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 9 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:37:11,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 174 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 520 Invalid, 12 Unknown, 0 Unchecked, 27.5s Time] [2025-01-10 01:37:11,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-01-10 01:37:11,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 383. [2025-01-10 01:37:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 376 states have (on average 1.1648936170212767) internal successors, (438), 382 states have internal predecessors, (438), 0 states have call successors, (0), 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 01:37:11,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 438 transitions. [2025-01-10 01:37:11,599 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 438 transitions. Word has length 32 [2025-01-10 01:37:11,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:37:11,599 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 438 transitions. [2025-01-10 01:37:11,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.133333333333334) internal successors, (62), 16 states have internal predecessors, (62), 0 states have call successors, (0), 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 01:37:11,604 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 438 transitions. [2025-01-10 01:37:11,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 01:37:11,604 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:37:11,604 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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 01:37:11,613 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 01:37:11,805 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 01:37:11,805 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2025-01-10 01:37:11,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:37:11,806 INFO L85 PathProgramCache]: Analyzing trace with hash -195151593, now seen corresponding path program 1 times [2025-01-10 01:37:11,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:37:11,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141282132] [2025-01-10 01:37:11,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:37:11,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:37:11,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:37:11,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:37:11,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:37:11,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:37:11,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [670656661] [2025-01-10 01:37:11,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:37:11,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:37:11,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:37:11,816 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 01:37:11,818 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 01:37:11,837 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:37:11,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:37:11,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:37:11,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:37:11,847 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-01-10 01:37:11,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:37:11,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:37:11,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:37:11,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-10 01:37:11,876 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-01-10 01:37:11,877 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-01-10 01:37:11,877 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2025-01-10 01:37:11,879 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2025-01-10 01:37:11,880 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2025-01-10 01:37:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2025-01-10 01:37:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2025-01-10 01:37:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2025-01-10 01:37:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2025-01-10 01:37:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2025-01-10 01:37:11,881 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2025-01-10 01:37:11,882 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2025-01-10 01:37:11,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 01:37:12,086 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 01:37:12,088 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] [2025-01-10 01:37:12,108 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 01:37:12,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 01:37:12 BoogieIcfgContainer [2025-01-10 01:37:12,111 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 01:37:12,112 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 01:37:12,112 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 01:37:12,112 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 01:37:12,113 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:35:58" (3/4) ... [2025-01-10 01:37:12,113 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-01-10 01:37:12,157 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 6. [2025-01-10 01:37:12,197 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 01:37:12,198 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 01:37:12,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 01:37:12,200 INFO L158 Benchmark]: Toolchain (without parser) took 74557.86ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 105.8MB in the beginning and 147.7MB in the end (delta: -41.9MB). Peak memory consumption was 147.8MB. Max. memory is 16.1GB. [2025-01-10 01:37:12,202 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:37:12,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 174.08ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 01:37:12,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:37:12,203 INFO L158 Benchmark]: Boogie Preprocessor took 30.50ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:37:12,203 INFO L158 Benchmark]: RCFGBuilder took 306.89ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 81.0MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 01:37:12,203 INFO L158 Benchmark]: TraceAbstraction took 73930.05ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 80.0MB in the beginning and 155.4MB in the end (delta: -75.4MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2025-01-10 01:37:12,203 INFO L158 Benchmark]: Witness Printer took 86.57ms. Allocated memory is still 335.5MB. Free memory was 155.4MB in the beginning and 147.7MB in the end (delta: 7.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 01:37:12,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 127.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 174.08ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 95.6MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 94.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.50ms. Allocated memory is still 142.6MB. Free memory was 94.6MB in the beginning and 93.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 306.89ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 81.0MB in the end (delta: 12.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 73930.05ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 80.0MB in the beginning and 155.4MB in the end (delta: -75.4MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * Witness Printer took 86.57ms. Allocated memory is still 335.5MB. Free memory was 155.4MB in the beginning and 147.7MB in the end (delta: 7.7MB). 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=2147483647, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L33] EXPR x * q VAL [a=2147483647, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L33] EXPR y * s VAL [a=2147483647, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L33] EXPR x * q + y * s VAL [a=2147483647, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L33] COND TRUE b == x * q + y * s VAL [a=2147483647, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L38] COND TRUE a > b VAL [a=2147483647, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L39] EXPR a - b [L39] a = a - b VAL [a=1073741823, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L40] EXPR p - q [L40] p = p - q VAL [a=1073741823, b=1073741824, p=1, q=0, r=0, s=1, x=2147483647, y=1073741824] [L41] EXPR r - s [L41] r = r - s VAL [a=1073741823, b=1073741824, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L33] EXPR x * q VAL [a=1073741823, b=1073741824, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L33] EXPR y * s VAL [a=1073741823, b=1073741824, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L33] EXPR x * q + y * s VAL [a=1073741823, b=1073741824, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L33] COND TRUE b == x * q + y * s VAL [a=1073741823, b=1073741824, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L38] COND FALSE !(a > b) VAL [a=1073741823, b=1073741824, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L43] EXPR b - a [L43] b = b - a VAL [a=1073741823, b=1, p=1, q=0, r=-1, s=1, x=2147483647, y=1073741824] [L44] EXPR q - p [L44] q = q - p VAL [a=1073741823, b=1, p=1, q=-1, r=-1, s=1, x=2147483647, y=1073741824] [L45] EXPR s - r [L45] s = s - r VAL [a=1073741823, b=1, p=1, q=-1, r=-1, s=2, x=2147483647, y=1073741824] [L33] x * q VAL [a=1073741823, b=1, p=1, q=-1, r=-1, s=2, x=2147483647, y=1073741824] [L33] y * s VAL [a=1073741823, b=1, p=1, q=-1, r=-1, x=2147483647] - 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, 45 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 73.9s, OverallIterations: 26, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 48.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 1506 SdHoareTripleChecker+Valid, 29.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1506 mSDsluCounter, 1537 SdHoareTripleChecker+Invalid, 28.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 918 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1736 IncrementalHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 619 mSDtfsCounter, 1736 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 629 GetRequests, 476 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 35.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=383occurred in iteration=25, InterpolantAutomatonStates: 143, 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, 25 MinimizatonAttempts, 334 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 777 ConstructedInterpolants, 134 QuantifiedInterpolants, 6601 SizeOfPredicates, 26 NumberOfNonLiveVariables, 736 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 40 InterpolantComputations, 15 PerfectInterpolantSequences, 18/206 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 01:37:12,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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)