./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/sum_25x0-1.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/recursive-simple/sum_25x0-1.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 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:34:06,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:34:06,519 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:34:06,523 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:34:06,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:34:06,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:34:06,548 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:34:06,548 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:34:06,549 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:34:06,549 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:34:06,549 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:34:06,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:34:06,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:34:06,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:34:06,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:34:06,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:34:06,552 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:34:06,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:34:06,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:34:06,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:34:06,553 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:34:06,553 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:34:06,553 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:34:06,553 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:34:06,554 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:34:06,554 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:34:06,554 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 -> 8ec6e434f91e1569e6fad03794f07a751e615694ef413649174052dcc7984987 [2025-01-10 02:34:06,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:34:06,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:34:06,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:34:06,895 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:34:06,895 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:34:06,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2025-01-10 02:34:07,986 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b5f58907/0fb85ea18aa44ac3a3b1285335ed99d3/FLAG56db0bd18 [2025-01-10 02:34:08,273 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:34:08,273 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive-simple/sum_25x0-1.c [2025-01-10 02:34:08,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b5f58907/0fb85ea18aa44ac3a3b1285335ed99d3/FLAG56db0bd18 [2025-01-10 02:34:08,332 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2b5f58907/0fb85ea18aa44ac3a3b1285335ed99d3 [2025-01-10 02:34:08,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:34:08,335 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:34:08,336 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:34:08,336 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:34:08,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:34:08,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4366b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08, skipping insertion in model container [2025-01-10 02:34:08,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,348 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:34:08,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:34:08,450 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:34:08,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:34:08,471 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:34:08,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08 WrapperNode [2025-01-10 02:34:08,474 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:34:08,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:34:08,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:34:08,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:34:08,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,496 INFO L138 Inliner]: procedures = 12, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2025-01-10 02:34:08,496 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:34:08,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:34:08,497 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:34:08,497 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:34:08,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,504 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,514 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:34:08,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,519 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,521 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,521 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:34:08,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:34:08,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:34:08,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:34:08,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (1/1) ... [2025-01-10 02:34:08,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:34:08,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:08,554 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 02:34:08,559 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 02:34:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:34:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:34:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:34:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2025-01-10 02:34:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2025-01-10 02:34:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:34:08,614 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:34:08,616 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:34:08,697 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-01-10 02:34:08,697 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:34:08,710 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:34:08,711 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 02:34:08,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:34:08 BoogieIcfgContainer [2025-01-10 02:34:08,712 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:34:08,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:34:08,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:34:08,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:34:08,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:34:08" (1/3) ... [2025-01-10 02:34:08,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f8080a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:34:08, skipping insertion in model container [2025-01-10 02:34:08,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:34:08" (2/3) ... [2025-01-10 02:34:08,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f8080a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:34:08, skipping insertion in model container [2025-01-10 02:34:08,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:34:08" (3/3) ... [2025-01-10 02:34:08,733 INFO L128 eAbstractionObserver]: Analyzing ICFG sum_25x0-1.c [2025-01-10 02:34:08,755 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:34:08,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sum_25x0-1.c that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-01-10 02:34:08,802 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:34:08,811 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;@5e1afcfc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:34:08,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-01-10 02:34:08,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:34:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:34:08,818 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:08,818 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:34:08,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:08,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:08,822 INFO L85 PathProgramCache]: Analyzing trace with hash 890593104, now seen corresponding path program 1 times [2025-01-10 02:34:08,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:08,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323741553] [2025-01-10 02:34:08,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:08,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:08,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:34:08,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:34:08,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:08,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:09,012 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 02:34:09,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:09,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323741553] [2025-01-10 02:34:09,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323741553] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:09,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:34:09,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:34:09,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137633674] [2025-01-10 02:34:09,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:09,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:34:09,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:09,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:34:09,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:34:09,033 INFO L87 Difference]: Start difference. First operand has 32 states, 20 states have (on average 1.5) internal successors, (30), 28 states have internal predecessors, (30), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:09,137 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2025-01-10 02:34:09,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:34:09,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 02:34:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:09,142 INFO L225 Difference]: With dead ends: 62 [2025-01-10 02:34:09,142 INFO L226 Difference]: Without dead ends: 39 [2025-01-10 02:34:09,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:34:09,146 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 23 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:09,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 73 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:34:09,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-01-10 02:34:09,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2025-01-10 02:34:09,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 30 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:34:09,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2025-01-10 02:34:09,177 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 6 [2025-01-10 02:34:09,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:09,177 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2025-01-10 02:34:09,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,178 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2025-01-10 02:34:09,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:34:09,178 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:09,178 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:09,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:34:09,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:09,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:09,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1838587471, now seen corresponding path program 1 times [2025-01-10 02:34:09,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:09,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766899705] [2025-01-10 02:34:09,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:09,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:09,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:34:09,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:34:09,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:09,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:09,261 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 02:34:09,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:09,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766899705] [2025-01-10 02:34:09,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766899705] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:09,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:34:09,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:34:09,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815737543] [2025-01-10 02:34:09,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:09,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:34:09,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:09,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:34:09,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:34:09,264 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:09,316 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2025-01-10 02:34:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:34:09,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 02:34:09,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:09,318 INFO L225 Difference]: With dead ends: 38 [2025-01-10 02:34:09,318 INFO L226 Difference]: Without dead ends: 37 [2025-01-10 02:34:09,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:34:09,319 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 27 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:09,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 29 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:34:09,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-01-10 02:34:09,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2025-01-10 02:34:09,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.391304347826087) internal successors, (32), 29 states have internal predecessors, (32), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:34:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2025-01-10 02:34:09,325 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 7 [2025-01-10 02:34:09,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:09,326 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2025-01-10 02:34:09,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2025-01-10 02:34:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 02:34:09,326 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:09,326 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:09,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:34:09,326 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:09,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:09,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1161636818, now seen corresponding path program 1 times [2025-01-10 02:34:09,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:09,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093134885] [2025-01-10 02:34:09,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:09,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:09,336 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 02:34:09,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 02:34:09,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:09,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:09,413 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 02:34:09,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:09,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093134885] [2025-01-10 02:34:09,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093134885] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:09,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:34:09,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:34:09,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661851818] [2025-01-10 02:34:09,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:09,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:34:09,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:09,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:34:09,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:34:09,417 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:09,470 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2025-01-10 02:34:09,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:34:09,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 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 02:34:09,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:09,471 INFO L225 Difference]: With dead ends: 37 [2025-01-10 02:34:09,471 INFO L226 Difference]: Without dead ends: 35 [2025-01-10 02:34:09,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:34:09,472 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 14 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 68 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 02:34:09,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 68 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:34:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-01-10 02:34:09,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2025-01-10 02:34:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 29 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:34:09,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2025-01-10 02:34:09,481 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 8 [2025-01-10 02:34:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:09,481 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2025-01-10 02:34:09,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2025-01-10 02:34:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 02:34:09,482 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:09,482 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:09,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:34:09,482 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:09,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:09,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1131512701, now seen corresponding path program 1 times [2025-01-10 02:34:09,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:09,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475722966] [2025-01-10 02:34:09,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:09,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:09,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 02:34:09,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 02:34:09,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:09,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:09,581 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 02:34:09,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:09,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475722966] [2025-01-10 02:34:09,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475722966] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:09,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314414359] [2025-01-10 02:34:09,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:09,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:09,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:09,585 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 02:34:09,586 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 02:34:09,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 02:34:09,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 02:34:09,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:09,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:09,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:34:09,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:09,687 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 02:34:09,688 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:09,751 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 02:34:09,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314414359] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:09,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:09,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2025-01-10 02:34:09,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332825044] [2025-01-10 02:34:09,752 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:09,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:34:09,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:09,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:34:09,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:34:09,753 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:09,889 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2025-01-10 02:34:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:34:09,889 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 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 02:34:09,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:09,890 INFO L225 Difference]: With dead ends: 88 [2025-01-10 02:34:09,890 INFO L226 Difference]: Without dead ends: 72 [2025-01-10 02:34:09,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:34:09,891 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 88 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:09,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 152 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:34:09,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-01-10 02:34:09,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 64. [2025-01-10 02:34:09,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 47 states have (on average 1.2553191489361701) internal successors, (59), 52 states have internal predecessors, (59), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:34:09,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 71 transitions. [2025-01-10 02:34:09,904 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 71 transitions. Word has length 13 [2025-01-10 02:34:09,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:09,905 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 71 transitions. [2025-01-10 02:34:09,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.0) internal successors, (20), 8 states have internal predecessors, (20), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2025-01-10 02:34:09,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 02:34:09,905 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:09,905 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:09,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-10 02:34:10,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:10,106 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:10,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:10,107 INFO L85 PathProgramCache]: Analyzing trace with hash 757135551, now seen corresponding path program 1 times [2025-01-10 02:34:10,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:10,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961966594] [2025-01-10 02:34:10,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:10,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:10,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:34:10,122 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:34:10,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:10,125 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:10,201 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 02:34:10,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:10,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961966594] [2025-01-10 02:34:10,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961966594] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:10,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138712055] [2025-01-10 02:34:10,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:10,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:10,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:10,207 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 02:34:10,209 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 02:34:10,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 02:34:10,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 02:34:10,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:10,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:10,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 02:34:10,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:10,292 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:34:10,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138712055] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:10,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:34:10,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-01-10 02:34:10,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054083519] [2025-01-10 02:34:10,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:10,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:34:10,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:10,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:34:10,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:34:10,293 INFO L87 Difference]: Start difference. First operand 64 states and 71 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:10,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:10,325 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2025-01-10 02:34:10,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:34:10,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-01-10 02:34:10,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:10,327 INFO L225 Difference]: With dead ends: 66 [2025-01-10 02:34:10,327 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 02:34:10,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:34:10,328 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 22 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:10,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 63 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:34:10,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 02:34:10,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-01-10 02:34:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 51 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:34:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2025-01-10 02:34:10,334 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 15 [2025-01-10 02:34:10,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:10,334 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2025-01-10 02:34:10,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:10,334 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2025-01-10 02:34:10,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-10 02:34:10,335 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:10,335 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:10,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:34:10,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:10,539 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:10,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:10,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1996365668, now seen corresponding path program 1 times [2025-01-10 02:34:10,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:10,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805423870] [2025-01-10 02:34:10,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:10,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:10,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:34:10,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:34:10,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:10,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:10,590 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 02:34:10,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:10,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805423870] [2025-01-10 02:34:10,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805423870] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:10,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736424629] [2025-01-10 02:34:10,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:10,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:10,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:10,593 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 02:34:10,594 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 02:34:10,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-01-10 02:34:10,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-01-10 02:34:10,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:10,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:10,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:34:10,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:10,674 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 02:34:10,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:10,723 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 02:34:10,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736424629] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:10,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:10,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2025-01-10 02:34:10,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453044460] [2025-01-10 02:34:10,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:10,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:34:10,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:10,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:34:10,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:34:10,725 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:10,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:10,821 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2025-01-10 02:34:10,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:34:10,821 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 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 02:34:10,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:10,822 INFO L225 Difference]: With dead ends: 66 [2025-01-10 02:34:10,822 INFO L226 Difference]: Without dead ends: 65 [2025-01-10 02:34:10,822 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:34:10,826 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 60 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:10,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 155 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:34:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-01-10 02:34:10,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63. [2025-01-10 02:34:10,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.1063829787234043) internal successors, (52), 51 states have internal predecessors, (52), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:34:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2025-01-10 02:34:10,839 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 16 [2025-01-10 02:34:10,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:10,840 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2025-01-10 02:34:10,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 3.090909090909091) internal successors, (34), 10 states have internal predecessors, (34), 6 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:10,840 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2025-01-10 02:34:10,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 02:34:10,840 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:10,840 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:34:10,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:34:11,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:11,041 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:11,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:11,042 INFO L85 PathProgramCache]: Analyzing trace with hash 490520080, now seen corresponding path program 2 times [2025-01-10 02:34:11,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:11,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164021564] [2025-01-10 02:34:11,042 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:34:11,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:11,048 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-10 02:34:11,062 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:34:11,062 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:34:11,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:11,332 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 11 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:11,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:11,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164021564] [2025-01-10 02:34:11,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164021564] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:11,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942989213] [2025-01-10 02:34:11,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:34:11,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:11,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:11,335 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 02:34:11,336 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 02:34:11,356 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-10 02:34:11,369 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 02:34:11,369 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:34:11,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:11,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:34:11,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:11,554 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:11,556 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:11,767 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:11,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942989213] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:11,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:11,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 35 [2025-01-10 02:34:11,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219923764] [2025-01-10 02:34:11,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:11,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-10 02:34:11,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:11,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-10 02:34:11,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1026, Unknown=0, NotChecked=0, Total=1190 [2025-01-10 02:34:11,770 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand has 35 states, 32 states have (on average 2.625) internal successors, (84), 20 states have internal predecessors, (84), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:12,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:12,760 INFO L93 Difference]: Finished difference Result 153 states and 167 transitions. [2025-01-10 02:34:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-10 02:34:12,760 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 32 states have (on average 2.625) internal successors, (84), 20 states have internal predecessors, (84), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2025-01-10 02:34:12,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:12,761 INFO L225 Difference]: With dead ends: 153 [2025-01-10 02:34:12,761 INFO L226 Difference]: Without dead ends: 129 [2025-01-10 02:34:12,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 874 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=779, Invalid=3511, Unknown=0, NotChecked=0, Total=4290 [2025-01-10 02:34:12,764 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 471 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:12,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 294 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:34:12,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2025-01-10 02:34:12,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 121. [2025-01-10 02:34:12,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.0947368421052632) internal successors, (104), 97 states have internal predecessors, (104), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:34:12,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 128 transitions. [2025-01-10 02:34:12,773 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 128 transitions. Word has length 34 [2025-01-10 02:34:12,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:12,773 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 128 transitions. [2025-01-10 02:34:12,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 32 states have (on average 2.625) internal successors, (84), 20 states have internal predecessors, (84), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:12,773 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 128 transitions. [2025-01-10 02:34:12,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-01-10 02:34:12,773 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:12,773 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2025-01-10 02:34:12,779 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 02:34:12,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-01-10 02:34:12,978 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:12,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:12,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1609791473, now seen corresponding path program 2 times [2025-01-10 02:34:12,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:12,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486391050] [2025-01-10 02:34:12,979 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:34:12,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:12,987 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 37 statements into 2 equivalence classes. [2025-01-10 02:34:12,994 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:34:12,994 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:34:12,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:13,111 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:13,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:13,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486391050] [2025-01-10 02:34:13,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486391050] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:13,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407734567] [2025-01-10 02:34:13,112 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:34:13,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:13,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:13,117 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 02:34:13,119 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 02:34:13,136 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 37 statements into 2 equivalence classes. [2025-01-10 02:34:13,164 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 37 of 37 statements. [2025-01-10 02:34:13,164 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:34:13,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:13,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:34:13,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:13,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:13,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407734567] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:13,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:13,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 26 [2025-01-10 02:34:13,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112449541] [2025-01-10 02:34:13,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:13,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-01-10 02:34:13,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:13,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-01-10 02:34:13,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2025-01-10 02:34:13,499 INFO L87 Difference]: Start difference. First operand 121 states and 128 transitions. Second operand has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:13,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:13,716 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2025-01-10 02:34:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:34:13,716 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2025-01-10 02:34:13,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:13,717 INFO L225 Difference]: With dead ends: 124 [2025-01-10 02:34:13,717 INFO L226 Difference]: Without dead ends: 123 [2025-01-10 02:34:13,717 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=341, Invalid=991, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 02:34:13,718 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 158 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:13,718 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 302 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:34:13,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-01-10 02:34:13,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2025-01-10 02:34:13,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.0315789473684212) internal successors, (98), 97 states have internal predecessors, (98), 12 states have call successors, (12), 11 states have call predecessors, (12), 11 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-01-10 02:34:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2025-01-10 02:34:13,734 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 37 [2025-01-10 02:34:13,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:13,734 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2025-01-10 02:34:13,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 23 states have (on average 3.0434782608695654) internal successors, (70), 16 states have internal predecessors, (70), 12 states have call successors, (12), 11 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2025-01-10 02:34:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-01-10 02:34:13,736 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:13,736 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:13,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:34:13,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:13,936 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:13,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:13,937 INFO L85 PathProgramCache]: Analyzing trace with hash -1810971126, now seen corresponding path program 1 times [2025-01-10 02:34:13,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:13,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636629841] [2025-01-10 02:34:13,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:13,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:13,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:34:13,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:34:13,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:13,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:14,366 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:14,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636629841] [2025-01-10 02:34:14,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636629841] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:14,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819364186] [2025-01-10 02:34:14,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:14,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:14,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:14,372 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 02:34:14,376 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 02:34:14,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-01-10 02:34:14,420 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-01-10 02:34:14,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:14,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:14,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:34:14,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:14,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:15,697 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:15,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819364186] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:15,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:15,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 72 [2025-01-10 02:34:15,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786923970] [2025-01-10 02:34:15,698 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:15,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-10 02:34:15,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:15,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-10 02:34:15,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=714, Invalid=4398, Unknown=0, NotChecked=0, Total=5112 [2025-01-10 02:34:15,702 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand has 72 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 39 states have internal predecessors, (194), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:16,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:16,826 INFO L93 Difference]: Finished difference Result 295 states and 319 transitions. [2025-01-10 02:34:16,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 02:34:16,827 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 39 states have internal predecessors, (194), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2025-01-10 02:34:16,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:16,829 INFO L225 Difference]: With dead ends: 295 [2025-01-10 02:34:16,829 INFO L226 Difference]: Without dead ends: 254 [2025-01-10 02:34:16,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2468 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2028, Invalid=9102, Unknown=0, NotChecked=0, Total=11130 [2025-01-10 02:34:16,836 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 891 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:16,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 794 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:34:16,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-01-10 02:34:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 241. [2025-01-10 02:34:16,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 191 states have (on average 1.0732984293193717) internal successors, (205), 193 states have internal predecessors, (205), 24 states have call successors, (24), 23 states have call predecessors, (24), 23 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-01-10 02:34:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 253 transitions. [2025-01-10 02:34:16,862 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 253 transitions. Word has length 77 [2025-01-10 02:34:16,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:16,862 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 253 transitions. [2025-01-10 02:34:16,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 39 states have internal predecessors, (194), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 253 transitions. [2025-01-10 02:34:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:34:16,863 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:16,863 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 1, 1, 1, 1] [2025-01-10 02:34:16,871 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:34:17,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-01-10 02:34:17,068 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:17,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:17,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1916377020, now seen corresponding path program 3 times [2025-01-10 02:34:17,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:17,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125408356] [2025-01-10 02:34:17,069 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:34:17,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:17,073 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 12 equivalence classes. [2025-01-10 02:34:17,084 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:34:17,084 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-01-10 02:34:17,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:17,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:17,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125408356] [2025-01-10 02:34:17,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125408356] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:17,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190637284] [2025-01-10 02:34:17,600 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:34:17,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:17,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:17,602 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 02:34:17,604 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 02:34:17,623 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 86 statements into 12 equivalence classes. [2025-01-10 02:34:17,642 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:34:17,642 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-01-10 02:34:17,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:17,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:34:17,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:17,774 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:17,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:18,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190637284] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:18,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:18,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 54 [2025-01-10 02:34:18,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40154252] [2025-01-10 02:34:18,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:18,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-01-10 02:34:18,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:18,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-01-10 02:34:18,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=2260, Unknown=0, NotChecked=0, Total=2970 [2025-01-10 02:34:18,383 INFO L87 Difference]: Start difference. First operand 241 states and 253 transitions. Second operand has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:19,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:19,046 INFO L93 Difference]: Finished difference Result 274 states and 290 transitions. [2025-01-10 02:34:19,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-10 02:34:19,046 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2025-01-10 02:34:19,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:19,048 INFO L225 Difference]: With dead ends: 274 [2025-01-10 02:34:19,048 INFO L226 Difference]: Without dead ends: 273 [2025-01-10 02:34:19,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1360 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1636, Invalid=4526, Unknown=0, NotChecked=0, Total=6162 [2025-01-10 02:34:19,050 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 456 mSDsluCounter, 606 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:19,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 661 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:34:19,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2025-01-10 02:34:19,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2025-01-10 02:34:19,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 211 states have (on average 1.033175355450237) internal successors, (218), 213 states have internal predecessors, (218), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:34:19,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 270 transitions. [2025-01-10 02:34:19,084 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 270 transitions. Word has length 86 [2025-01-10 02:34:19,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:19,084 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 270 transitions. [2025-01-10 02:34:19,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 51 states have (on average 3.019607843137255) internal successors, (154), 30 states have internal predecessors, (154), 26 states have call successors, (26), 25 states have call predecessors, (26), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:19,084 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 270 transitions. [2025-01-10 02:34:19,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-01-10 02:34:19,085 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:19,086 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:19,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:34:19,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:19,286 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:19,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:19,287 INFO L85 PathProgramCache]: Analyzing trace with hash 56836554, now seen corresponding path program 2 times [2025-01-10 02:34:19,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:19,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912251842] [2025-01-10 02:34:19,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:34:19,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:19,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-01-10 02:34:19,301 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-01-10 02:34:19,301 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:34:19,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1661 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2025-01-10 02:34:19,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:19,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912251842] [2025-01-10 02:34:19,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912251842] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:19,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:34:19,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 02:34:19,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118097548] [2025-01-10 02:34:19,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:19,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:34:19,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:19,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:34:19,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:34:19,383 INFO L87 Difference]: Start difference. First operand 265 states and 270 transitions. Second operand has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:19,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:19,425 INFO L93 Difference]: Finished difference Result 271 states and 277 transitions. [2025-01-10 02:34:19,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:34:19,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 161 [2025-01-10 02:34:19,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:19,427 INFO L225 Difference]: With dead ends: 271 [2025-01-10 02:34:19,429 INFO L226 Difference]: Without dead ends: 270 [2025-01-10 02:34:19,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:34:19,430 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 26 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 62 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 02:34:19,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 62 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:34:19,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-01-10 02:34:19,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 264. [2025-01-10 02:34:19,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 211 states have (on average 1.018957345971564) internal successors, (215), 212 states have internal predecessors, (215), 26 states have call successors, (26), 25 states have call predecessors, (26), 25 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 02:34:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 267 transitions. [2025-01-10 02:34:19,447 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 267 transitions. Word has length 161 [2025-01-10 02:34:19,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:19,448 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 267 transitions. [2025-01-10 02:34:19,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 267 transitions. [2025-01-10 02:34:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-01-10 02:34:19,452 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:19,452 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 25, 25, 24, 24, 1, 1, 1, 1] [2025-01-10 02:34:19,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 02:34:19,452 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:19,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:19,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1844684337, now seen corresponding path program 4 times [2025-01-10 02:34:19,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:19,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159568099] [2025-01-10 02:34:19,453 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:34:19,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:19,461 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 177 statements into 2 equivalence classes. [2025-01-10 02:34:19,492 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 177 of 177 statements. [2025-01-10 02:34:19,493 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:34:19,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:20,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:20,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159568099] [2025-01-10 02:34:20,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159568099] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:34:20,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329458777] [2025-01-10 02:34:20,606 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:34:20,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:20,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:34:20,608 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 02:34:20,609 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 02:34:20,637 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 177 statements into 2 equivalence classes. [2025-01-10 02:34:20,671 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 177 of 177 statements. [2025-01-10 02:34:20,671 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:34:20,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:20,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 52 conjuncts are in the unsatisfiable core [2025-01-10 02:34:20,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:34:21,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:21,000 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:34:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2076 backedges. 0 proven. 2076 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:34:22,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329458777] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:34:22,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:34:22,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52, 52] total 106 [2025-01-10 02:34:22,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104631882] [2025-01-10 02:34:22,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:34:22,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2025-01-10 02:34:22,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:22,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2025-01-10 02:34:22,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2764, Invalid=8578, Unknown=0, NotChecked=0, Total=11342 [2025-01-10 02:34:22,810 INFO L87 Difference]: Start difference. First operand 264 states and 267 transitions. Second operand has 107 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 56 states have internal predecessors, (310), 52 states have call successors, (52), 51 states have call predecessors, (52), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:25,224 INFO L93 Difference]: Finished difference Result 635 states and 690 transitions. [2025-01-10 02:34:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2025-01-10 02:34:25,224 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 56 states have internal predecessors, (310), 52 states have call successors, (52), 51 states have call predecessors, (52), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2025-01-10 02:34:25,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:25,227 INFO L225 Difference]: With dead ends: 635 [2025-01-10 02:34:25,227 INFO L226 Difference]: Without dead ends: 634 [2025-01-10 02:34:25,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5442 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=6641, Invalid=17851, Unknown=0, NotChecked=0, Total=24492 [2025-01-10 02:34:25,232 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1673 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1675 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:25,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1675 Valid, 931 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:34:25,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2025-01-10 02:34:25,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 576. [2025-01-10 02:34:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 471 states have (on average 1.0636942675159236) internal successors, (501), 472 states have internal predecessors, (501), 52 states have call successors, (52), 51 states have call predecessors, (52), 51 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-01-10 02:34:25,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 605 transitions. [2025-01-10 02:34:25,286 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 605 transitions. Word has length 177 [2025-01-10 02:34:25,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:25,286 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 605 transitions. [2025-01-10 02:34:25,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 103 states have (on average 3.0097087378640777) internal successors, (310), 56 states have internal predecessors, (310), 52 states have call successors, (52), 51 states have call predecessors, (52), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:25,287 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 605 transitions. [2025-01-10 02:34:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2025-01-10 02:34:25,291 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:25,291 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:34:25,314 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 02:34:25,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:34:25,492 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:25,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:25,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1419644664, now seen corresponding path program 1 times [2025-01-10 02:34:25,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:25,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133502037] [2025-01-10 02:34:25,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:34:25,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:25,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-01-10 02:34:25,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-01-10 02:34:25,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:34:25,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2398 trivial. 0 not checked. [2025-01-10 02:34:25,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:25,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133502037] [2025-01-10 02:34:25,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133502037] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:25,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:34:25,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:34:25,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299257787] [2025-01-10 02:34:25,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:25,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:34:25,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:25,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:34:25,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:34:25,589 INFO L87 Difference]: Start difference. First operand 576 states and 605 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:34:25,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:25,607 INFO L93 Difference]: Finished difference Result 576 states and 605 transitions. [2025-01-10 02:34:25,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:34:25,607 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 232 [2025-01-10 02:34:25,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:25,609 INFO L225 Difference]: With dead ends: 576 [2025-01-10 02:34:25,610 INFO L226 Difference]: Without dead ends: 361 [2025-01-10 02:34:25,610 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 02:34:25,611 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:25,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 35 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:34:25,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-01-10 02:34:25,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 360. [2025-01-10 02:34:25,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 308 states have (on average 1.0032467532467533) internal successors, (309), 308 states have internal predecessors, (309), 51 states have call successors, (51), 51 states have call predecessors, (51), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:25,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 360 transitions. [2025-01-10 02:34:25,625 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 360 transitions. Word has length 232 [2025-01-10 02:34:25,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:25,626 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 360 transitions. [2025-01-10 02:34:25,626 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:34:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 360 transitions. [2025-01-10 02:34:25,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2025-01-10 02:34:25,628 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:34:25,628 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 51, 51, 50, 50, 1, 1, 1, 1] [2025-01-10 02:34:25,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-01-10 02:34:25,628 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-01-10 02:34:25,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:34:25,628 INFO L85 PathProgramCache]: Analyzing trace with hash 2017697361, now seen corresponding path program 5 times [2025-01-10 02:34:25,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:34:25,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655234827] [2025-01-10 02:34:25,628 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:34:25,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:34:25,641 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 359 statements into 51 equivalence classes. [2025-01-10 02:34:25,734 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) and asserted 359 of 359 statements. [2025-01-10 02:34:25,735 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 51 check-sat command(s) [2025-01-10 02:34:25,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:34:29,891 INFO L134 CoverageAnalysis]: Checked inductivity of 8875 backedges. 8871 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:34:29,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:34:29,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655234827] [2025-01-10 02:34:29,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655234827] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:34:29,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:34:29,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [103] imperfect sequences [] total 103 [2025-01-10 02:34:29,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816803633] [2025-01-10 02:34:29,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:34:29,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-10 02:34:29,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:34:29,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-10 02:34:29,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2653, Invalid=7853, Unknown=0, NotChecked=0, Total=10506 [2025-01-10 02:34:29,895 INFO L87 Difference]: Start difference. First operand 360 states and 360 transitions. Second operand has 103 states, 102 states have (on average 2.9901960784313726) internal successors, (305), 53 states have internal predecessors, (305), 51 states have call successors, (51), 51 states have call predecessors, (51), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:30,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:34:30,624 INFO L93 Difference]: Finished difference Result 360 states and 360 transitions. [2025-01-10 02:34:30,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-10 02:34:30,624 INFO L78 Accepts]: Start accepts. Automaton has has 103 states, 102 states have (on average 2.9901960784313726) internal successors, (305), 53 states have internal predecessors, (305), 51 states have call successors, (51), 51 states have call predecessors, (51), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 359 [2025-01-10 02:34:30,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:34:30,625 INFO L225 Difference]: With dead ends: 360 [2025-01-10 02:34:30,625 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:34:30,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4247 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=3732, Invalid=12780, Unknown=0, NotChecked=0, Total=16512 [2025-01-10 02:34:30,627 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 151 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:34:30,627 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 630 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:34:30,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:34:30,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:34:30,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 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 02:34:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:34:30,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2025-01-10 02:34:30,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:34:30,628 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:34:30,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 102 states have (on average 2.9901960784313726) internal successors, (305), 53 states have internal predecessors, (305), 51 states have call successors, (51), 51 states have call predecessors, (51), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:34:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:34:30,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:34:30,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-01-10 02:34:30,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-01-10 02:34:30,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-01-10 02:34:30,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-01-10 02:34:30,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-01-10 02:34:30,634 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-01-10 02:34:30,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-01-10 02:34:30,635 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sumErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-01-10 02:34:30,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 02:34:30,638 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 02:34:30,640 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-01-10 02:34:37,139 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-10 02:34:37,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 02:34:37 BoogieIcfgContainer [2025-01-10 02:34:37,145 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-10 02:34:37,145 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-10 02:34:37,145 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-10 02:34:37,146 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-10 02:34:37,146 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:34:08" (3/4) ... [2025-01-10 02:34:37,147 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-10 02:34:37,152 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2025-01-10 02:34:37,155 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-01-10 02:34:37,155 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-10 02:34:37,155 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-10 02:34:37,156 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-10 02:34:37,209 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-10 02:34:37,209 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-10 02:34:37,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-10 02:34:37,210 INFO L158 Benchmark]: Toolchain (without parser) took 28875.02ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 105.2MB in the beginning and 1.1GB in the end (delta: -957.4MB). Peak memory consumption was 107.4MB. Max. memory is 16.1GB. [2025-01-10 02:34:37,210 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:34:37,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 138.34ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 95.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:34:37,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.95ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:34:37,211 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.2MB in the end (delta: 903.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-10 02:34:37,211 INFO L158 Benchmark]: RCFGBuilder took 188.70ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 81.8MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-01-10 02:34:37,211 INFO L158 Benchmark]: TraceAbstraction took 28426.57ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 80.9MB in the beginning and 1.1GB in the end (delta: -989.8MB). Peak memory consumption was 686.2MB. Max. memory is 16.1GB. [2025-01-10 02:34:37,212 INFO L158 Benchmark]: Witness Printer took 63.79ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-10 02:34:37,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 138.34ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 95.0MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.95ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 142.6MB. Free memory was 93.1MB in the beginning and 92.2MB in the end (delta: 903.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 188.70ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 81.8MB in the end (delta: 10.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 28426.57ms. Allocated memory was 142.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 80.9MB in the beginning and 1.1GB in the end (delta: -989.8MB). Peak memory consumption was 686.2MB. Max. memory is 16.1GB. * Witness Printer took 63.79ms. Allocated memory is still 1.2GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. 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 - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 7]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 9]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 21.8s, OverallIterations: 14, TraceHistogramMax: 51, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4076 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4060 mSDsluCounter, 4249 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3777 mSDsCounter, 447 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4665 IncrementalHoareTripleChecker+Invalid, 5112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 447 mSolverCounterUnsat, 472 mSDtfsCounter, 4665 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1342 GetRequests, 720 SyntacticMatches, 0 SemanticMatches, 622 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14761 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=12, InterpolantAutomatonStates: 370, 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, 14 MinimizatonAttempts, 113 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 1683 NumberOfCodeBlocks, 1683 NumberOfCodeBlocksAsserted, 101 NumberOfCheckSat, 2094 ConstructedInterpolants, 0 QuantifiedInterpolants, 5790 SizeOfPredicates, 63 NumberOfNonLiveVariables, 1151 ConjunctsInSsa, 142 ConjunctsInUnsatCore, 29 InterpolantComputations, 7 PerfectInterpolantSequences, 12950/21902 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-10 02:34:37,226 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 Result: TRUE