./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursive/Addition03-1.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 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:29:12,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:29:12,978 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:29:12,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:29:12,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:29:13,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:29:13,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:29:13,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:29:13,011 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:29:13,012 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:29:13,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:29:13,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:29:13,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:29:13,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:29:13,013 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:29:13,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:29:13,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:29:13,014 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:29:13,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:29:13,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:29:13,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:29:13,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:29:13,015 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:29:13,015 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:29:13,016 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:29:13,016 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:29:13,016 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 -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2025-02-06 14:29:13,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:29:13,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:29:13,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:29:13,271 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:29:13,272 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:29:13,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition03-1.c [2025-02-06 14:29:14,588 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea2a9f7ec/f60368a1cffa465fbd101b2655ff7fa4/FLAGbba00179a [2025-02-06 14:29:14,839 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:29:14,845 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2025-02-06 14:29:14,856 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea2a9f7ec/f60368a1cffa465fbd101b2655ff7fa4/FLAGbba00179a [2025-02-06 14:29:15,175 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea2a9f7ec/f60368a1cffa465fbd101b2655ff7fa4 [2025-02-06 14:29:15,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:29:15,179 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:29:15,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:29:15,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:29:15,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:29:15,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afb79a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15, skipping insertion in model container [2025-02-06 14:29:15,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,197 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:29:15,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:29:15,332 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:29:15,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:29:15,361 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:29:15,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15 WrapperNode [2025-02-06 14:29:15,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:29:15,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:29:15,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:29:15,364 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:29:15,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,387 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2025-02-06 14:29:15,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:29:15,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:29:15,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:29:15,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:29:15,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,399 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,412 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:29:15,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,414 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,416 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,416 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:29:15,422 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:29:15,422 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:29:15,422 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:29:15,423 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (1/1) ... [2025-02-06 14:29:15,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:29:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:15,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:29:15,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:29:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:29:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:29:15,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:29:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:29:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2025-02-06 14:29:15,486 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2025-02-06 14:29:15,535 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:29:15,536 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:29:15,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L23: havoc #t~ret5; [2025-02-06 14:29:15,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L20: havoc #t~ret4; [2025-02-06 14:29:15,669 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2025-02-06 14:29:15,669 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:29:15,685 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:29:15,685 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:29:15,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:29:15 BoogieIcfgContainer [2025-02-06 14:29:15,686 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:29:15,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:29:15,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:29:15,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:29:15,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:29:15" (1/3) ... [2025-02-06 14:29:15,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53278f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:29:15, skipping insertion in model container [2025-02-06 14:29:15,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:29:15" (2/3) ... [2025-02-06 14:29:15,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53278f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:29:15, skipping insertion in model container [2025-02-06 14:29:15,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:29:15" (3/3) ... [2025-02-06 14:29:15,698 INFO L128 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2025-02-06 14:29:15,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:29:15,716 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Addition03-1.c that has 2 procedures, 36 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-02-06 14:29:15,772 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:29:15,783 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;@2a4c3705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:29:15,784 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-06 14:29:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 31 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:29:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 14:29:15,793 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:15,794 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:15,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:15,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:15,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1408505927, now seen corresponding path program 1 times [2025-02-06 14:29:15,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:15,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975392268] [2025-02-06 14:29:15,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:15,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:15,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 14:29:15,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 14:29:15,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:15,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:16,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975392268] [2025-02-06 14:29:16,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975392268] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:16,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:29:16,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:29:16,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977565087] [2025-02-06 14:29:16,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:16,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:29:16,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:16,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:29:16,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:29:16,042 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 31 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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) [2025-02-06 14:29:16,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:16,179 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2025-02-06 14:29:16,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:29:16,181 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 [2025-02-06 14:29:16,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:16,186 INFO L225 Difference]: With dead ends: 67 [2025-02-06 14:29:16,186 INFO L226 Difference]: Without dead ends: 45 [2025-02-06 14:29:16,189 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 [2025-02-06 14:29:16,192 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 43 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:16,194 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 107 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:16,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2025-02-06 14:29:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2025-02-06 14:29:16,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.565217391304348) internal successors, (36), 32 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2025-02-06 14:29:16,230 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 7 [2025-02-06 14:29:16,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:16,231 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2025-02-06 14:29:16,231 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) [2025-02-06 14:29:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2025-02-06 14:29:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 14:29:16,231 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:16,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:16,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:29:16,232 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:16,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:16,233 INFO L85 PathProgramCache]: Analyzing trace with hash 714010778, now seen corresponding path program 1 times [2025-02-06 14:29:16,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:16,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321107034] [2025-02-06 14:29:16,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:16,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:16,240 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 14:29:16,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 14:29:16,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:16,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:16,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321107034] [2025-02-06 14:29:16,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321107034] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:16,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:29:16,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:29:16,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834886132] [2025-02-06 14:29:16,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:16,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:29:16,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:16,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:29:16,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:29:16,312 INFO L87 Difference]: Start difference. First operand 35 states and 40 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) [2025-02-06 14:29:16,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:16,380 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2025-02-06 14:29:16,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:29:16,380 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 [2025-02-06 14:29:16,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:16,381 INFO L225 Difference]: With dead ends: 67 [2025-02-06 14:29:16,381 INFO L226 Difference]: Without dead ends: 65 [2025-02-06 14:29:16,381 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 [2025-02-06 14:29:16,383 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 32 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 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 [2025-02-06 14:29:16,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:29:16,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-02-06 14:29:16,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 53. [2025-02-06 14:29:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.475) internal successors, (59), 48 states have internal predecessors, (59), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:16,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2025-02-06 14:29:16,394 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 8 [2025-02-06 14:29:16,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:16,394 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2025-02-06 14:29:16,394 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) [2025-02-06 14:29:16,394 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2025-02-06 14:29:16,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-06 14:29:16,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:16,394 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:16,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:29:16,395 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:16,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:16,395 INFO L85 PathProgramCache]: Analyzing trace with hash 659497637, now seen corresponding path program 1 times [2025-02-06 14:29:16,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:16,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673667672] [2025-02-06 14:29:16,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:16,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:16,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-06 14:29:16,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-06 14:29:16,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:16,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:16,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673667672] [2025-02-06 14:29:16,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673667672] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:16,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:29:16,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:29:16,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963936144] [2025-02-06 14:29:16,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:16,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:29:16,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:16,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:29:16,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:29:16,441 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-02-06 14:29:16,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:16,463 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2025-02-06 14:29:16,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:29:16,464 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2025-02-06 14:29:16,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:16,465 INFO L225 Difference]: With dead ends: 53 [2025-02-06 14:29:16,465 INFO L226 Difference]: Without dead ends: 52 [2025-02-06 14:29:16,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:29:16,466 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:16,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:29:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-02-06 14:29:16,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-02-06 14:29:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2025-02-06 14:29:16,476 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 9 [2025-02-06 14:29:16,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:16,476 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2025-02-06 14:29:16,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-02-06 14:29:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2025-02-06 14:29:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 14:29:16,476 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:16,476 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:16,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:29:16,477 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:16,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:16,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1030409736, now seen corresponding path program 1 times [2025-02-06 14:29:16,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:16,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178730104] [2025-02-06 14:29:16,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:16,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 14:29:16,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 14:29:16,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:16,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:16,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178730104] [2025-02-06 14:29:16,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178730104] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:16,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:29:16,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:29:16,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743944330] [2025-02-06 14:29:16,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:16,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:29:16,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:16,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:29:16,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:29:16,538 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-02-06 14:29:16,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:16,604 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2025-02-06 14:29:16,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:29:16,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2025-02-06 14:29:16,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:16,605 INFO L225 Difference]: With dead ends: 64 [2025-02-06 14:29:16,605 INFO L226 Difference]: Without dead ends: 62 [2025-02-06 14:29:16,605 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 [2025-02-06 14:29:16,606 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 32 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:16,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 48 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:29:16,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-06 14:29:16,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 51. [2025-02-06 14:29:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.35) internal successors, (54), 46 states have internal predecessors, (54), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:16,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2025-02-06 14:29:16,615 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 10 [2025-02-06 14:29:16,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:16,615 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2025-02-06 14:29:16,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-02-06 14:29:16,616 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2025-02-06 14:29:16,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 14:29:16,616 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:16,616 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:16,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:29:16,616 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:16,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1029824839, now seen corresponding path program 1 times [2025-02-06 14:29:16,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:16,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339113044] [2025-02-06 14:29:16,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:16,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:16,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 14:29:16,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 14:29:16,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:16,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:16,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339113044] [2025-02-06 14:29:16,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339113044] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:16,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:29:16,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:29:16,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101126272] [2025-02-06 14:29:16,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:16,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:29:16,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:16,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:29:16,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:29:16,673 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-02-06 14:29:16,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:16,741 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2025-02-06 14:29:16,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:29:16,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2025-02-06 14:29:16,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:16,742 INFO L225 Difference]: With dead ends: 61 [2025-02-06 14:29:16,742 INFO L226 Difference]: Without dead ends: 60 [2025-02-06 14:29:16,742 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 [2025-02-06 14:29:16,743 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:16,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 49 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:16,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2025-02-06 14:29:16,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2025-02-06 14:29:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.325) internal successors, (53), 46 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2025-02-06 14:29:16,750 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 10 [2025-02-06 14:29:16,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:16,751 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2025-02-06 14:29:16,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-02-06 14:29:16,751 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2025-02-06 14:29:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 14:29:16,752 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:16,752 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:16,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:29:16,752 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:16,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:16,753 INFO L85 PathProgramCache]: Analyzing trace with hash 693179117, now seen corresponding path program 1 times [2025-02-06 14:29:16,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:16,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403284723] [2025-02-06 14:29:16,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:16,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:16,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 14:29:16,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 14:29:16,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:16,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:16,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403284723] [2025-02-06 14:29:16,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403284723] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:16,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871617083] [2025-02-06 14:29:16,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:16,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:16,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:16,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:29:16,881 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 14:29:16,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 14:29:16,889 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:16,889 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:16,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:29:16,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:16,950 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:17,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871617083] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:17,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:17,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-06 14:29:17,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021318141] [2025-02-06 14:29:17,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:17,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:29:17,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:17,055 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:29:17,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:29:17,057 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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) [2025-02-06 14:29:17,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:17,204 INFO L93 Difference]: Finished difference Result 158 states and 181 transitions. [2025-02-06 14:29:17,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:29:17,204 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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 16 [2025-02-06 14:29:17,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:17,206 INFO L225 Difference]: With dead ends: 158 [2025-02-06 14:29:17,206 INFO L226 Difference]: Without dead ends: 156 [2025-02-06 14:29:17,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:29:17,207 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 182 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:17,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 145 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:17,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-02-06 14:29:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 118. [2025-02-06 14:29:17,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.303030303030303) internal successors, (129), 106 states have internal predecessors, (129), 13 states have call successors, (13), 11 states have call predecessors, (13), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:17,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 142 transitions. [2025-02-06 14:29:17,229 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 142 transitions. Word has length 16 [2025-02-06 14:29:17,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:17,231 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 142 transitions. [2025-02-06 14:29:17,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 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) [2025-02-06 14:29:17,231 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2025-02-06 14:29:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 14:29:17,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:17,232 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:17,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:29:17,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:17,433 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:17,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:17,433 INFO L85 PathProgramCache]: Analyzing trace with hash -287421037, now seen corresponding path program 1 times [2025-02-06 14:29:17,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:17,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839826729] [2025-02-06 14:29:17,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:17,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:17,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 14:29:17,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 14:29:17,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:17,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:17,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:17,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839826729] [2025-02-06 14:29:17,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839826729] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:17,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [666617222] [2025-02-06 14:29:17,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:17,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:17,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:17,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:17,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:29:17,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 14:29:17,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 14:29:17,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:17,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:17,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:29:17,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:17,588 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:29:17,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [666617222] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:17,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:29:17,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2025-02-06 14:29:17,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659012315] [2025-02-06 14:29:17,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:17,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:29:17,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:17,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:29:17,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:29:17,591 INFO L87 Difference]: Start difference. First operand 118 states and 142 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-02-06 14:29:17,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:17,658 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2025-02-06 14:29:17,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:29:17,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 16 [2025-02-06 14:29:17,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:17,660 INFO L225 Difference]: With dead ends: 167 [2025-02-06 14:29:17,661 INFO L226 Difference]: Without dead ends: 106 [2025-02-06 14:29:17,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:29:17,663 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:17,665 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 51 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:29:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-06 14:29:17,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 77. [2025-02-06 14:29:17,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 68 states have internal predecessors, (77), 8 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:17,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2025-02-06 14:29:17,681 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 16 [2025-02-06 14:29:17,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:17,683 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2025-02-06 14:29:17,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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) [2025-02-06 14:29:17,684 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2025-02-06 14:29:17,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 14:29:17,684 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:17,684 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:17,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:29:17,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:17,885 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:17,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:17,885 INFO L85 PathProgramCache]: Analyzing trace with hash -320116945, now seen corresponding path program 1 times [2025-02-06 14:29:17,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:17,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54969354] [2025-02-06 14:29:17,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:17,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:17,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 14:29:17,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 14:29:17,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:17,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:17,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:17,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54969354] [2025-02-06 14:29:17,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54969354] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:17,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477552046] [2025-02-06 14:29:17,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:17,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:17,978 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:17,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:29:17,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 14:29:18,007 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 14:29:18,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:18,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:18,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:29:18,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:18,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:18,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477552046] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:18,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:18,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-02-06 14:29:18,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612303067] [2025-02-06 14:29:18,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:18,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:29:18,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:18,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:29:18,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:29:18,106 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand has 12 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 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) [2025-02-06 14:29:18,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:18,203 INFO L93 Difference]: Finished difference Result 179 states and 199 transitions. [2025-02-06 14:29:18,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:29:18,204 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 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 17 [2025-02-06 14:29:18,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:18,205 INFO L225 Difference]: With dead ends: 179 [2025-02-06 14:29:18,205 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 14:29:18,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:29:18,206 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 95 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:18,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 85 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:29:18,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 14:29:18,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 158. [2025-02-06 14:29:18,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 137 states have (on average 1.1532846715328466) internal successors, (158), 140 states have internal predecessors, (158), 17 states have call successors, (17), 17 states have call predecessors, (17), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:18,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 175 transitions. [2025-02-06 14:29:18,222 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 175 transitions. Word has length 17 [2025-02-06 14:29:18,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:18,222 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 175 transitions. [2025-02-06 14:29:18,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 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) [2025-02-06 14:29:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2025-02-06 14:29:18,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 14:29:18,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:18,223 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:29:18,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:29:18,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:18,427 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:18,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:18,427 INFO L85 PathProgramCache]: Analyzing trace with hash 425785420, now seen corresponding path program 1 times [2025-02-06 14:29:18,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:18,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507723631] [2025-02-06 14:29:18,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:29:18,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:18,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 14:29:18,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 14:29:18,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:29:18,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:18,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:18,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:18,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507723631] [2025-02-06 14:29:18,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507723631] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:29:18,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:29:18,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:29:18,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907696595] [2025-02-06 14:29:18,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:29:18,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:29:18,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:18,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:29:18,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:29:18,476 INFO L87 Difference]: Start difference. First operand 158 states and 175 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-02-06 14:29:18,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:18,523 INFO L93 Difference]: Finished difference Result 159 states and 175 transitions. [2025-02-06 14:29:18,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:29:18,524 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2025-02-06 14:29:18,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:18,525 INFO L225 Difference]: With dead ends: 159 [2025-02-06 14:29:18,525 INFO L226 Difference]: Without dead ends: 80 [2025-02-06 14:29:18,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:29:18,527 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:18,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 50 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:29:18,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-02-06 14:29:18,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-02-06 14:29:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 69 states have (on average 1.0434782608695652) internal successors, (72), 70 states have internal predecessors, (72), 9 states have call successors, (9), 9 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2025-02-06 14:29:18,542 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 18 [2025-02-06 14:29:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:18,542 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2025-02-06 14:29:18,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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) [2025-02-06 14:29:18,542 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2025-02-06 14:29:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:29:18,543 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:18,543 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-06 14:29:18,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 14:29:18,543 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:18,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:18,544 INFO L85 PathProgramCache]: Analyzing trace with hash -17340442, now seen corresponding path program 2 times [2025-02-06 14:29:18,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:18,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667517369] [2025-02-06 14:29:18,544 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:29:18,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:18,551 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-02-06 14:29:18,584 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:29:18,585 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:29:18,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:18,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:18,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667517369] [2025-02-06 14:29:18,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667517369] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:18,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781360867] [2025-02-06 14:29:18,800 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:29:18,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:18,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:18,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:18,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:29:18,829 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-02-06 14:29:18,844 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:29:18,844 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:29:18,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:18,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:29:18,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:18,907 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:18,907 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:19,123 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:19,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781360867] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:19,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:19,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-02-06 14:29:19,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14930115] [2025-02-06 14:29:19,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:19,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 14:29:19,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:19,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 14:29:19,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:29:19,125 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand has 24 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 14 states have internal predecessors, (69), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:19,353 INFO L93 Difference]: Finished difference Result 132 states and 138 transitions. [2025-02-06 14:29:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 14:29:19,353 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 14 states have internal predecessors, (69), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2025-02-06 14:29:19,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:19,354 INFO L225 Difference]: With dead ends: 132 [2025-02-06 14:29:19,354 INFO L226 Difference]: Without dead ends: 131 [2025-02-06 14:29:19,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 14:29:19,355 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 216 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:19,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 137 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-02-06 14:29:19,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2025-02-06 14:29:19,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 111 states have (on average 1.027027027027027) internal successors, (114), 112 states have internal predecessors, (114), 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) [2025-02-06 14:29:19,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 129 transitions. [2025-02-06 14:29:19,373 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 129 transitions. Word has length 40 [2025-02-06 14:29:19,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:19,374 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 129 transitions. [2025-02-06 14:29:19,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 14 states have internal predecessors, (69), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2025-02-06 14:29:19,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:29:19,378 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:19,378 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2025-02-06 14:29:19,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:29:19,582 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,SelfDestructingSolverStorable9 [2025-02-06 14:29:19,582 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:19,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1670363141, now seen corresponding path program 2 times [2025-02-06 14:29:19,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:19,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993292015] [2025-02-06 14:29:19,583 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:29:19,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:19,587 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-02-06 14:29:19,594 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:29:19,594 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:29:19,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:19,792 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:19,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:19,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993292015] [2025-02-06 14:29:19,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993292015] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:19,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850041194] [2025-02-06 14:29:19,792 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:29:19,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:19,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:19,795 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:19,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:29:19,818 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-02-06 14:29:19,831 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:29:19,831 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:29:19,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:19,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:29:19,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:19,911 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:19,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:20,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850041194] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:20,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:20,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-02-06 14:29:20,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019890269] [2025-02-06 14:29:20,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:20,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 14:29:20,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:20,126 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 14:29:20,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:29:20,127 INFO L87 Difference]: Start difference. First operand 128 states and 129 transitions. Second operand has 24 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 14 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:20,345 INFO L93 Difference]: Finished difference Result 187 states and 193 transitions. [2025-02-06 14:29:20,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 14:29:20,345 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 14 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2025-02-06 14:29:20,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:20,346 INFO L225 Difference]: With dead ends: 187 [2025-02-06 14:29:20,346 INFO L226 Difference]: Without dead ends: 186 [2025-02-06 14:29:20,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 14:29:20,347 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 194 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:20,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 156 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-06 14:29:20,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 182. [2025-02-06 14:29:20,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.0188679245283019) internal successors, (162), 160 states have internal predecessors, (162), 21 states have call successors, (21), 21 states have call predecessors, (21), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:20,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 183 transitions. [2025-02-06 14:29:20,363 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 183 transitions. Word has length 44 [2025-02-06 14:29:20,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:20,364 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 183 transitions. [2025-02-06 14:29:20,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 14 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:20,364 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 183 transitions. [2025-02-06 14:29:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 14:29:20,368 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:20,368 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2025-02-06 14:29:20,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 14:29:20,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-06 14:29:20,569 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:20,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1813921576, now seen corresponding path program 3 times [2025-02-06 14:29:20,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:20,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003272022] [2025-02-06 14:29:20,570 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:29:20,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:20,586 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 88 statements into 11 equivalence classes. [2025-02-06 14:29:20,620 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:29:20,620 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 14:29:20,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003272022] [2025-02-06 14:29:21,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003272022] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:21,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998177464] [2025-02-06 14:29:21,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:29:21,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:21,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:21,138 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:21,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:29:21,170 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 88 statements into 11 equivalence classes. [2025-02-06 14:29:21,205 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:29:21,206 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 14:29:21,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:21,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:29:21,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:21,326 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:21,327 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:21,987 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:21,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998177464] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:21,988 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:21,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-02-06 14:29:21,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73527528] [2025-02-06 14:29:21,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:21,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 14:29:21,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:21,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 14:29:21,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 14:29:21,991 INFO L87 Difference]: Start difference. First operand 182 states and 183 transitions. Second operand has 48 states, 45 states have (on average 3.4) internal successors, (153), 26 states have internal predecessors, (153), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:22,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:22,602 INFO L93 Difference]: Finished difference Result 282 states and 294 transitions. [2025-02-06 14:29:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-06 14:29:22,602 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 3.4) internal successors, (153), 26 states have internal predecessors, (153), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2025-02-06 14:29:22,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:22,604 INFO L225 Difference]: With dead ends: 282 [2025-02-06 14:29:22,604 INFO L226 Difference]: Without dead ends: 281 [2025-02-06 14:29:22,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2025-02-06 14:29:22,607 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 508 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:22,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 222 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:22,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2025-02-06 14:29:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 278. [2025-02-06 14:29:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 243 states have (on average 1.0123456790123457) internal successors, (246), 244 states have internal predecessors, (246), 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) [2025-02-06 14:29:22,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 279 transitions. [2025-02-06 14:29:22,645 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 279 transitions. Word has length 88 [2025-02-06 14:29:22,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:22,645 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 279 transitions. [2025-02-06 14:29:22,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 3.4) internal successors, (153), 26 states have internal predecessors, (153), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:22,646 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 279 transitions. [2025-02-06 14:29:22,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 14:29:22,649 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:22,649 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2025-02-06 14:29:22,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:29:22,853 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,SelfDestructingSolverStorable11 [2025-02-06 14:29:22,853 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:22,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:22,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1170347899, now seen corresponding path program 3 times [2025-02-06 14:29:22,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:22,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360089500] [2025-02-06 14:29:22,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:29:22,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:22,860 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 98 statements into 11 equivalence classes. [2025-02-06 14:29:22,883 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 14:29:22,883 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 14:29:22,884 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:23,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:23,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360089500] [2025-02-06 14:29:23,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360089500] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:23,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862201603] [2025-02-06 14:29:23,406 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:29:23,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:23,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:23,409 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:23,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:29:23,434 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 98 statements into 11 equivalence classes. [2025-02-06 14:29:23,461 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 14:29:23,461 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 14:29:23,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:23,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:29:23,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:23,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:24,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862201603] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:24,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:24,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-02-06 14:29:24,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830300621] [2025-02-06 14:29:24,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:24,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 14:29:24,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:24,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 14:29:24,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 14:29:24,284 INFO L87 Difference]: Start difference. First operand 278 states and 279 transitions. Second operand has 48 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 26 states have internal predecessors, (173), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:24,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:24,882 INFO L93 Difference]: Finished difference Result 391 states and 403 transitions. [2025-02-06 14:29:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-02-06 14:29:24,883 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 26 states have internal predecessors, (173), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2025-02-06 14:29:24,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:24,885 INFO L225 Difference]: With dead ends: 391 [2025-02-06 14:29:24,885 INFO L226 Difference]: Without dead ends: 390 [2025-02-06 14:29:24,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2025-02-06 14:29:24,888 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 563 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:24,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 271 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:29:24,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-02-06 14:29:24,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2025-02-06 14:29:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 339 states have (on average 1.008849557522124) internal successors, (342), 340 states have internal predecessors, (342), 45 states have call successors, (45), 45 states have call predecessors, (45), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 387 transitions. [2025-02-06 14:29:24,920 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 387 transitions. Word has length 98 [2025-02-06 14:29:24,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:24,920 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 387 transitions. [2025-02-06 14:29:24,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 26 states have internal predecessors, (173), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 387 transitions. [2025-02-06 14:29:24,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-02-06 14:29:24,925 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:24,925 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2025-02-06 14:29:24,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:29:25,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:25,127 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:25,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:25,127 INFO L85 PathProgramCache]: Analyzing trace with hash -70701380, now seen corresponding path program 4 times [2025-02-06 14:29:25,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:25,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079090840] [2025-02-06 14:29:25,128 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:29:25,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:25,140 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-02-06 14:29:25,170 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 184 of 184 statements. [2025-02-06 14:29:25,170 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:29:25,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:26,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079090840] [2025-02-06 14:29:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079090840] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798766600] [2025-02-06 14:29:26,634 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:29:26,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:26,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:26,636 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:26,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:29:26,666 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 184 statements into 2 equivalence classes. [2025-02-06 14:29:26,707 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 184 of 184 statements. [2025-02-06 14:29:26,707 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:29:26,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:26,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-02-06 14:29:26,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:26,935 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:28,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798766600] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:28,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:28,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-02-06 14:29:28,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067437884] [2025-02-06 14:29:28,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:28,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-06 14:29:28,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:28,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-06 14:29:28,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2025-02-06 14:29:28,696 INFO L87 Difference]: Start difference. First operand 386 states and 387 transitions. Second operand has 96 states, 93 states have (on average 3.4516129032258065) internal successors, (321), 50 states have internal predecessors, (321), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:30,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:30,252 INFO L93 Difference]: Finished difference Result 582 states and 606 transitions. [2025-02-06 14:29:30,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-02-06 14:29:30,252 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 3.4516129032258065) internal successors, (321), 50 states have internal predecessors, (321), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2025-02-06 14:29:30,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:30,255 INFO L225 Difference]: With dead ends: 582 [2025-02-06 14:29:30,255 INFO L226 Difference]: Without dead ends: 581 [2025-02-06 14:29:30,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2025-02-06 14:29:30,260 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1104 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:30,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 414 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:29:30,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2025-02-06 14:29:30,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 578. [2025-02-06 14:29:30,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 507 states have (on average 1.0059171597633136) internal successors, (510), 508 states have internal predecessors, (510), 69 states have call successors, (69), 69 states have call predecessors, (69), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:30,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 579 transitions. [2025-02-06 14:29:30,291 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 579 transitions. Word has length 184 [2025-02-06 14:29:30,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:30,291 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 579 transitions. [2025-02-06 14:29:30,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 3.4516129032258065) internal successors, (321), 50 states have internal predecessors, (321), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 579 transitions. [2025-02-06 14:29:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-02-06 14:29:30,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:30,294 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2025-02-06 14:29:30,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 14:29:30,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:30,498 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:30,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:30,499 INFO L85 PathProgramCache]: Analyzing trace with hash 413783675, now seen corresponding path program 4 times [2025-02-06 14:29:30,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:30,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554703677] [2025-02-06 14:29:30,499 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:29:30,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:30,507 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 206 statements into 2 equivalence classes. [2025-02-06 14:29:30,536 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 206 of 206 statements. [2025-02-06 14:29:30,536 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:29:30,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:31,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:31,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554703677] [2025-02-06 14:29:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554703677] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:31,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238220654] [2025-02-06 14:29:31,813 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:29:31,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:31,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:31,815 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:31,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:29:31,844 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 206 statements into 2 equivalence classes. [2025-02-06 14:29:31,886 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 206 of 206 statements. [2025-02-06 14:29:31,886 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:29:31,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:31,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-02-06 14:29:31,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:32,118 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:33,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238220654] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:33,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:33,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-02-06 14:29:33,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114045562] [2025-02-06 14:29:33,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:33,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-02-06 14:29:33,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:33,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-02-06 14:29:33,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2025-02-06 14:29:33,932 INFO L87 Difference]: Start difference. First operand 578 states and 579 transitions. Second operand has 96 states, 93 states have (on average 3.924731182795699) internal successors, (365), 50 states have internal predecessors, (365), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:35,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:35,658 INFO L93 Difference]: Finished difference Result 799 states and 823 transitions. [2025-02-06 14:29:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-02-06 14:29:35,659 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 3.924731182795699) internal successors, (365), 50 states have internal predecessors, (365), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2025-02-06 14:29:35,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:35,662 INFO L225 Difference]: With dead ends: 799 [2025-02-06 14:29:35,662 INFO L226 Difference]: Without dead ends: 798 [2025-02-06 14:29:35,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2025-02-06 14:29:35,667 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 1280 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:35,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 526 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:29:35,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2025-02-06 14:29:35,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 794. [2025-02-06 14:29:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 699 states have (on average 1.0042918454935623) internal successors, (702), 700 states have internal predecessors, (702), 93 states have call successors, (93), 93 states have call predecessors, (93), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:35,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 795 transitions. [2025-02-06 14:29:35,704 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 795 transitions. Word has length 206 [2025-02-06 14:29:35,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:35,704 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 795 transitions. [2025-02-06 14:29:35,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 3.924731182795699) internal successors, (365), 50 states have internal predecessors, (365), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 795 transitions. [2025-02-06 14:29:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2025-02-06 14:29:35,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:35,715 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2025-02-06 14:29:35,723 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:29:35,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:35,919 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:35,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:35,919 INFO L85 PathProgramCache]: Analyzing trace with hash 683866756, now seen corresponding path program 5 times [2025-02-06 14:29:35,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:35,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019279032] [2025-02-06 14:29:35,919 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:29:35,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:35,935 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 376 statements into 47 equivalence classes. [2025-02-06 14:29:36,047 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 376 of 376 statements. [2025-02-06 14:29:36,047 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 14:29:36,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:40,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:40,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019279032] [2025-02-06 14:29:40,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019279032] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:40,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695753522] [2025-02-06 14:29:40,420 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:29:40,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:40,422 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:40,422 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:29:40,459 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 376 statements into 47 equivalence classes. [2025-02-06 14:29:40,691 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 376 of 376 statements. [2025-02-06 14:29:40,692 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 14:29:40,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:40,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-02-06 14:29:40,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:41,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:41,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:29:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:47,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695753522] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:29:47,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:29:47,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2025-02-06 14:29:47,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6516411] [2025-02-06 14:29:47,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:29:47,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-02-06 14:29:47,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:29:47,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-02-06 14:29:47,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2025-02-06 14:29:47,264 INFO L87 Difference]: Start difference. First operand 794 states and 795 transitions. Second operand has 192 states, 189 states have (on average 3.4761904761904763) internal successors, (657), 98 states have internal predecessors, (657), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:29:53,667 INFO L93 Difference]: Finished difference Result 1182 states and 1230 transitions. [2025-02-06 14:29:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-02-06 14:29:53,667 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 3.4761904761904763) internal successors, (657), 98 states have internal predecessors, (657), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2025-02-06 14:29:53,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:29:53,672 INFO L225 Difference]: With dead ends: 1182 [2025-02-06 14:29:53,672 INFO L226 Difference]: Without dead ends: 1181 [2025-02-06 14:29:53,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 12.3s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2025-02-06 14:29:53,678 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 2495 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:29:53,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 827 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:29:53,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2025-02-06 14:29:53,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1178. [2025-02-06 14:29:53,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1035 states have (on average 1.0028985507246377) internal successors, (1038), 1036 states have internal predecessors, (1038), 141 states have call successors, (141), 141 states have call predecessors, (141), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:53,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1179 transitions. [2025-02-06 14:29:53,729 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1179 transitions. Word has length 376 [2025-02-06 14:29:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:29:53,730 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1179 transitions. [2025-02-06 14:29:53,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 3.4761904761904763) internal successors, (657), 98 states have internal predecessors, (657), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:29:53,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1179 transitions. [2025-02-06 14:29:53,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2025-02-06 14:29:53,737 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:29:53,737 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2025-02-06 14:29:53,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 14:29:53,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 14:29:53,941 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:29:53,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:29:53,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1951804293, now seen corresponding path program 5 times [2025-02-06 14:29:53,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:29:53,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458676180] [2025-02-06 14:29:53,941 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:29:53,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:29:53,949 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 422 statements into 47 equivalence classes. [2025-02-06 14:29:54,033 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 422 of 422 statements. [2025-02-06 14:29:54,033 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 14:29:54,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:58,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:58,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:29:58,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458676180] [2025-02-06 14:29:58,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458676180] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:29:58,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784546237] [2025-02-06 14:29:58,440 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:29:58,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:29:58,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:29:58,443 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:29:58,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:29:58,492 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 422 statements into 47 equivalence classes. [2025-02-06 14:29:58,615 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 422 of 422 statements. [2025-02-06 14:29:58,615 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-02-06 14:29:58,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:29:58,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-02-06 14:29:58,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:29:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:29:59,061 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:30:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:30:05,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784546237] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:30:05,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:30:05,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2025-02-06 14:30:05,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645389529] [2025-02-06 14:30:05,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:30:05,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-02-06 14:30:05,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:30:05,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-02-06 14:30:05,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2025-02-06 14:30:05,618 INFO L87 Difference]: Start difference. First operand 1178 states and 1179 transitions. Second operand has 192 states, 189 states have (on average 3.962962962962963) internal successors, (749), 98 states have internal predecessors, (749), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:30:12,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:30:12,348 INFO L93 Difference]: Finished difference Result 1615 states and 1663 transitions. [2025-02-06 14:30:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-02-06 14:30:12,349 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 3.962962962962963) internal successors, (749), 98 states have internal predecessors, (749), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 422 [2025-02-06 14:30:12,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:30:12,357 INFO L225 Difference]: With dead ends: 1615 [2025-02-06 14:30:12,357 INFO L226 Difference]: Without dead ends: 1614 [2025-02-06 14:30:12,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2025-02-06 14:30:12,362 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 3515 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3515 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:30:12,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3515 Valid, 997 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:30:12,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2025-02-06 14:30:12,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1610. [2025-02-06 14:30:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1419 states have (on average 1.0021141649048626) internal successors, (1422), 1420 states have internal predecessors, (1422), 189 states have call successors, (189), 189 states have call predecessors, (189), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:30:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1611 transitions. [2025-02-06 14:30:12,478 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1611 transitions. Word has length 422 [2025-02-06 14:30:12,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:30:12,479 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 1611 transitions. [2025-02-06 14:30:12,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 3.962962962962963) internal successors, (749), 98 states have internal predecessors, (749), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:30:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1611 transitions. [2025-02-06 14:30:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2025-02-06 14:30:12,486 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:30:12,486 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1] [2025-02-06 14:30:12,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:30:12,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:30:12,687 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-06 14:30:12,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:30:12,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1637723628, now seen corresponding path program 6 times [2025-02-06 14:30:12,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:30:12,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527504252] [2025-02-06 14:30:12,688 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:30:12,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:30:12,709 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 760 statements into 95 equivalence classes. [2025-02-06 14:30:12,903 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 760 of 760 statements. [2025-02-06 14:30:12,903 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-06 14:30:12,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:30:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:30:29,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:30:29,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527504252] [2025-02-06 14:30:29,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527504252] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:30:29,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662514403] [2025-02-06 14:30:29,251 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:30:29,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:30:29,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:30:29,253 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:30:29,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:30:29,324 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 760 statements into 95 equivalence classes. [2025-02-06 14:30:29,640 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 760 of 760 statements. [2025-02-06 14:30:29,641 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-02-06 14:30:29,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:30:29,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 192 conjuncts are in the unsatisfiable core [2025-02-06 14:30:29,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:30:30,369 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:30:30,369 INFO L312 TraceCheckSpWp]: Computing backward predicates...