./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/xcsp/AllInterval-006.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/xcsp/AllInterval-006.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 5db620ad631bbb2b4f2f184a6694f3d470d0214c96a5cb4b6c65ad330c77841f --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 10:06:58,538 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 10:06:58,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 10:06:58,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 10:06:58,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 10:06:58,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 10:06:58,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 10:06:58,635 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 10:06:58,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 10:06:58,636 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 10:06:58,636 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 10:06:58,636 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 10:06:58,636 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 10:06:58,637 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 10:06:58,637 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 10:06:58,637 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 10:06:58,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 10:06:58,637 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 10:06:58,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 10:06:58,639 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 10:06:58,640 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:06:58,640 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 10:06:58,640 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 10:06:58,641 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 10:06:58,641 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 10:06:58,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 10:06:58,641 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 10:06:58,641 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 10:06:58,642 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 10:06:58,642 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 10:06:58,642 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 -> 5db620ad631bbb2b4f2f184a6694f3d470d0214c96a5cb4b6c65ad330c77841f [2025-02-08 10:06:58,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 10:06:58,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 10:06:58,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 10:06:58,934 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 10:06:58,934 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 10:06:58,937 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-006.c [2025-02-08 10:07:00,223 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/495264b77/a7fb6754460e4b1ba6333d96e73a99d9/FLAGb7278694c [2025-02-08 10:07:00,490 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 10:07:00,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-006.c [2025-02-08 10:07:00,502 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/495264b77/a7fb6754460e4b1ba6333d96e73a99d9/FLAGb7278694c [2025-02-08 10:07:00,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/495264b77/a7fb6754460e4b1ba6333d96e73a99d9 [2025-02-08 10:07:00,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 10:07:00,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 10:07:00,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 10:07:00,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 10:07:00,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 10:07:00,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33157bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00, skipping insertion in model container [2025-02-08 10:07:00,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 10:07:00,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:07:00,741 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 10:07:00,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 10:07:00,783 INFO L204 MainTranslator]: Completed translation [2025-02-08 10:07:00,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00 WrapperNode [2025-02-08 10:07:00,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 10:07:00,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 10:07:00,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 10:07:00,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 10:07:00,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,819 INFO L138 Inliner]: procedures = 13, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 175 [2025-02-08 10:07:00,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 10:07:00,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 10:07:00,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 10:07:00,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 10:07:00,827 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,839 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]. [2025-02-08 10:07:00,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,843 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 10:07:00,850 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 10:07:00,850 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 10:07:00,850 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 10:07:00,851 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (1/1) ... [2025-02-08 10:07:00,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 10:07:00,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:00,882 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) [2025-02-08 10:07:00,884 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 [2025-02-08 10:07:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 10:07:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 10:07:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 10:07:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 10:07:00,902 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2025-02-08 10:07:00,902 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2025-02-08 10:07:00,956 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 10:07:00,958 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 10:07:01,226 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2025-02-08 10:07:01,228 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 10:07:01,242 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 10:07:01,243 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 10:07:01,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:01 BoogieIcfgContainer [2025-02-08 10:07:01,243 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 10:07:01,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 10:07:01,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 10:07:01,249 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 10:07:01,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 10:07:00" (1/3) ... [2025-02-08 10:07:01,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a65769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:07:01, skipping insertion in model container [2025-02-08 10:07:01,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 10:07:00" (2/3) ... [2025-02-08 10:07:01,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a65769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 10:07:01, skipping insertion in model container [2025-02-08 10:07:01,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:01" (3/3) ... [2025-02-08 10:07:01,253 INFO L128 eAbstractionObserver]: Analyzing ICFG AllInterval-006.c [2025-02-08 10:07:01,267 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 10:07:01,269 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG AllInterval-006.c that has 2 procedures, 122 locations, 1 initial locations, 0 loop locations, and 20 error locations. [2025-02-08 10:07:01,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 10:07:01,334 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;@56fdfdb9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 10:07:01,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-02-08 10:07:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 68 states have internal predecessors, (74), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-08 10:07:01,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-02-08 10:07:01,357 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:01,358 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:01,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:01,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:01,364 INFO L85 PathProgramCache]: Analyzing trace with hash -476657746, now seen corresponding path program 1 times [2025-02-08 10:07:01,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:01,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114427319] [2025-02-08 10:07:01,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:01,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:01,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-02-08 10:07:01,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-02-08 10:07:01,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:01,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:01,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2025-02-08 10:07:01,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:01,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114427319] [2025-02-08 10:07:01,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114427319] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:01,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149621412] [2025-02-08 10:07:01,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:01,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:01,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:01,713 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) [2025-02-08 10:07:01,715 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 [2025-02-08 10:07:01,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-02-08 10:07:01,914 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-02-08 10:07:01,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:01,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:01,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 10:07:01,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 4232 trivial. 0 not checked. [2025-02-08 10:07:01,964 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 10:07:01,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149621412] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:07:01,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 10:07:01,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 10:07:01,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688705339] [2025-02-08 10:07:01,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:07:01,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 10:07:01,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:01,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 10:07:01,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 10:07:01,993 INFO L87 Difference]: Start difference. First operand has 122 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 68 states have internal predecessors, (74), 52 states have call successors, (52), 1 states have call predecessors, (52), 1 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2025-02-08 10:07:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:02,022 INFO L93 Difference]: Finished difference Result 240 states and 404 transitions. [2025-02-08 10:07:02,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 10:07:02,024 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) Word has length 249 [2025-02-08 10:07:02,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:02,030 INFO L225 Difference]: With dead ends: 240 [2025-02-08 10:07:02,030 INFO L226 Difference]: Without dead ends: 117 [2025-02-08 10:07:02,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 10:07:02,036 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:02,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:07:02,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-08 10:07:02,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-02-08 10:07:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 45 states have (on average 1.511111111111111) internal successors, (68), 64 states have internal predecessors, (68), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:02,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2025-02-08 10:07:02,086 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 249 [2025-02-08 10:07:02,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:02,086 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2025-02-08 10:07:02,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 2 states have call successors, (47) [2025-02-08 10:07:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2025-02-08 10:07:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-02-08 10:07:02,090 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:02,090 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:02,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 10:07:02,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 10:07:02,293 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:02,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:02,294 INFO L85 PathProgramCache]: Analyzing trace with hash -64578481, now seen corresponding path program 1 times [2025-02-08 10:07:02,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:02,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311651340] [2025-02-08 10:07:02,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:02,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:02,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-02-08 10:07:02,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-02-08 10:07:02,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:02,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:03,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 264 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2025-02-08 10:07:03,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:03,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311651340] [2025-02-08 10:07:03,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311651340] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:03,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131381445] [2025-02-08 10:07:03,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:03,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:03,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:03,044 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) [2025-02-08 10:07:03,046 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 [2025-02-08 10:07:03,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-02-08 10:07:03,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-02-08 10:07:03,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:03,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:03,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:03,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:03,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:03,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131381445] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:03,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:03,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 10:07:03,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530077432] [2025-02-08 10:07:03,973 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:03,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:03,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:03,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:03,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:03,979 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) [2025-02-08 10:07:04,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:04,290 INFO L93 Difference]: Finished difference Result 117 states and 170 transitions. [2025-02-08 10:07:04,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 10:07:04,291 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) Word has length 249 [2025-02-08 10:07:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:04,295 INFO L225 Difference]: With dead ends: 117 [2025-02-08 10:07:04,295 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 10:07:04,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 10:07:04,296 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 3 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:04,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 475 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:04,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 10:07:04,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2025-02-08 10:07:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 45 states have (on average 1.488888888888889) internal successors, (67), 63 states have internal predecessors, (67), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:04,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 169 transitions. [2025-02-08 10:07:04,328 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 169 transitions. Word has length 249 [2025-02-08 10:07:04,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:04,330 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 169 transitions. [2025-02-08 10:07:04,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 6 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 5 states have call predecessors, (139), 6 states have call successors, (139) [2025-02-08 10:07:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 169 transitions. [2025-02-08 10:07:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-02-08 10:07:04,336 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:04,337 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:04,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:04,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:04,538 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:04,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:04,538 INFO L85 PathProgramCache]: Analyzing trace with hash -2001932884, now seen corresponding path program 1 times [2025-02-08 10:07:04,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:04,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19008862] [2025-02-08 10:07:04,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:04,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:04,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-02-08 10:07:04,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 10:07:04,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:04,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:04,856 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:04,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:04,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19008862] [2025-02-08 10:07:04,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19008862] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:04,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348786889] [2025-02-08 10:07:04,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:04,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:04,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:04,859 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) [2025-02-08 10:07:04,863 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 [2025-02-08 10:07:04,907 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 250 statements into 1 equivalence classes. [2025-02-08 10:07:04,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 10:07:04,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:04,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:04,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:04,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:05,287 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:05,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348786889] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:05,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:05,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2025-02-08 10:07:05,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987303583] [2025-02-08 10:07:05,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:05,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:05,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:05,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:05,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:05,642 INFO L87 Difference]: Start difference. First operand 116 states and 169 transitions. Second operand has 10 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2025-02-08 10:07:05,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:05,961 INFO L93 Difference]: Finished difference Result 116 states and 169 transitions. [2025-02-08 10:07:05,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:05,961 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) Word has length 250 [2025-02-08 10:07:05,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:05,964 INFO L225 Difference]: With dead ends: 116 [2025-02-08 10:07:05,964 INFO L226 Difference]: Without dead ends: 115 [2025-02-08 10:07:05,964 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 495 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:05,965 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:05,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 629 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:05,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-08 10:07:05,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2025-02-08 10:07:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 45 states have (on average 1.4666666666666666) internal successors, (66), 62 states have internal predecessors, (66), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 168 transitions. [2025-02-08 10:07:05,983 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 168 transitions. Word has length 250 [2025-02-08 10:07:05,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:05,983 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 168 transitions. [2025-02-08 10:07:05,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 6.25) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (136), 1 states have call predecessors, (136), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2025-02-08 10:07:05,984 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 168 transitions. [2025-02-08 10:07:05,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-02-08 10:07:05,986 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:05,987 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:05,995 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 [2025-02-08 10:07:06,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:06,188 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:06,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:06,189 INFO L85 PathProgramCache]: Analyzing trace with hash 287847914, now seen corresponding path program 1 times [2025-02-08 10:07:06,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:06,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507440819] [2025-02-08 10:07:06,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:06,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:06,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-02-08 10:07:06,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-02-08 10:07:06,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:06,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:06,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4324 trivial. 0 not checked. [2025-02-08 10:07:06,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:06,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507440819] [2025-02-08 10:07:06,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507440819] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 10:07:06,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 10:07:06,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 10:07:06,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866270604] [2025-02-08 10:07:06,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 10:07:06,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 10:07:06,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:06,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 10:07:06,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 10:07:06,321 INFO L87 Difference]: Start difference. First operand 115 states and 168 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2025-02-08 10:07:06,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:06,382 INFO L93 Difference]: Finished difference Result 115 states and 168 transitions. [2025-02-08 10:07:06,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 10:07:06,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) Word has length 252 [2025-02-08 10:07:06,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:06,384 INFO L225 Difference]: With dead ends: 115 [2025-02-08 10:07:06,384 INFO L226 Difference]: Without dead ends: 110 [2025-02-08 10:07:06,385 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 [2025-02-08 10:07:06,385 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 5 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:06,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 278 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 10:07:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-02-08 10:07:06,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2025-02-08 10:07:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 57 states have internal predecessors, (61), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2025-02-08 10:07:06,411 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 252 [2025-02-08 10:07:06,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:06,412 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2025-02-08 10:07:06,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (47), 1 states have call predecessors, (47), 1 states have return successors, (47), 1 states have call predecessors, (47), 1 states have call successors, (47) [2025-02-08 10:07:06,413 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2025-02-08 10:07:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-02-08 10:07:06,416 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:06,416 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:06,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 10:07:06,417 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:06,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:06,417 INFO L85 PathProgramCache]: Analyzing trace with hash 333350764, now seen corresponding path program 1 times [2025-02-08 10:07:06,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:06,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390178696] [2025-02-08 10:07:06,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:06,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:06,429 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 10:07:06,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 10:07:06,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:06,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 6 proven. 264 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2025-02-08 10:07:06,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:06,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390178696] [2025-02-08 10:07:06,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390178696] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:06,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90329798] [2025-02-08 10:07:06,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:06,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:06,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:06,747 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) [2025-02-08 10:07:06,752 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 [2025-02-08 10:07:06,797 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-02-08 10:07:06,861 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-02-08 10:07:06,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:06,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:06,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 10:07:06,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:07,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:07,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4324 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 4186 trivial. 0 not checked. [2025-02-08 10:07:07,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90329798] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:07,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:07,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2025-02-08 10:07:07,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419163690] [2025-02-08 10:07:07,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:07,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 10:07:07,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:07,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 10:07:07,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2025-02-08 10:07:07,469 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2025-02-08 10:07:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:07,821 INFO L93 Difference]: Finished difference Result 110 states and 163 transitions. [2025-02-08 10:07:07,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 10:07:07,822 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) Word has length 253 [2025-02-08 10:07:07,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:07,824 INFO L225 Difference]: With dead ends: 110 [2025-02-08 10:07:07,824 INFO L226 Difference]: Without dead ends: 109 [2025-02-08 10:07:07,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 513 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-08 10:07:07,826 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 0 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:07,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 486 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-02-08 10:07:07,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2025-02-08 10:07:07,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 56 states have internal predecessors, (60), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:07,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 162 transitions. [2025-02-08 10:07:07,847 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 162 transitions. Word has length 253 [2025-02-08 10:07:07,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:07,848 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 162 transitions. [2025-02-08 10:07:07,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 11 states have internal predecessors, (57), 5 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (137), 4 states have call predecessors, (137), 5 states have call successors, (137) [2025-02-08 10:07:07,848 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2025-02-08 10:07:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2025-02-08 10:07:07,850 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:07,851 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:07,859 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 [2025-02-08 10:07:08,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:08,051 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:08,052 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:08,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1940925163, now seen corresponding path program 1 times [2025-02-08 10:07:08,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:08,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533773329] [2025-02-08 10:07:08,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:08,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:08,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 258 statements into 1 equivalence classes. [2025-02-08 10:07:08,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 258 of 258 statements. [2025-02-08 10:07:08,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:08,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:08,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:08,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:08,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533773329] [2025-02-08 10:07:08,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533773329] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:08,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970637008] [2025-02-08 10:07:08,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:08,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:08,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:08,330 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) [2025-02-08 10:07:08,332 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 [2025-02-08 10:07:08,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 258 statements into 1 equivalence classes. [2025-02-08 10:07:08,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 258 of 258 statements. [2025-02-08 10:07:08,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:08,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:08,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:08,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:08,692 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:08,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:08,981 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:08,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970637008] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:08,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:08,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 10:07:08,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547380929] [2025-02-08 10:07:08,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:08,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:08,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:08,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:08,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:08,984 INFO L87 Difference]: Start difference. First operand 109 states and 162 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) [2025-02-08 10:07:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:09,322 INFO L93 Difference]: Finished difference Result 109 states and 162 transitions. [2025-02-08 10:07:09,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:09,323 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) Word has length 258 [2025-02-08 10:07:09,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:09,324 INFO L225 Difference]: With dead ends: 109 [2025-02-08 10:07:09,324 INFO L226 Difference]: Without dead ends: 108 [2025-02-08 10:07:09,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:09,325 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 8 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:09,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 594 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:09,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-02-08 10:07:09,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-02-08 10:07:09,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 55 states have internal predecessors, (59), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:09,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 161 transitions. [2025-02-08 10:07:09,343 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 161 transitions. Word has length 258 [2025-02-08 10:07:09,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:09,343 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 161 transitions. [2025-02-08 10:07:09,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 8 states have internal predecessors, (58), 6 states have call successors, (137), 1 states have call predecessors, (137), 2 states have return successors, (138), 6 states have call predecessors, (138), 6 states have call successors, (138) [2025-02-08 10:07:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2025-02-08 10:07:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2025-02-08 10:07:09,346 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:09,347 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:09,355 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 [2025-02-08 10:07:09,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:09,548 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:09,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:09,548 INFO L85 PathProgramCache]: Analyzing trace with hash 39137924, now seen corresponding path program 1 times [2025-02-08 10:07:09,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:09,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791162527] [2025-02-08 10:07:09,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:09,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:09,561 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-02-08 10:07:09,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-02-08 10:07:09,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:09,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:09,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:09,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:09,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791162527] [2025-02-08 10:07:09,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791162527] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:09,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578543464] [2025-02-08 10:07:09,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:09,738 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) [2025-02-08 10:07:09,740 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 [2025-02-08 10:07:09,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 259 statements into 1 equivalence classes. [2025-02-08 10:07:09,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 259 of 259 statements. [2025-02-08 10:07:09,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:09,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:09,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:09,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:10,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:10,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 12 proven. 129 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:10,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578543464] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:10,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:10,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2025-02-08 10:07:10,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879914522] [2025-02-08 10:07:10,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:10,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 10:07:10,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:10,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 10:07:10,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:10,397 INFO L87 Difference]: Start difference. First operand 108 states and 161 transitions. Second operand has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-02-08 10:07:10,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:10,618 INFO L93 Difference]: Finished difference Result 108 states and 161 transitions. [2025-02-08 10:07:10,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:10,618 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 259 [2025-02-08 10:07:10,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:10,620 INFO L225 Difference]: With dead ends: 108 [2025-02-08 10:07:10,620 INFO L226 Difference]: Without dead ends: 107 [2025-02-08 10:07:10,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 514 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 10:07:10,621 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 9 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:10,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 324 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 10:07:10,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-08 10:07:10,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-02-08 10:07:10,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 45 states have (on average 1.288888888888889) internal successors, (58), 54 states have internal predecessors, (58), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:10,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 160 transitions. [2025-02-08 10:07:10,638 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 160 transitions. Word has length 259 [2025-02-08 10:07:10,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:10,640 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 160 transitions. [2025-02-08 10:07:10,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.142857142857143) internal successors, (43), 8 states have internal predecessors, (43), 4 states have call successors, (91), 1 states have call predecessors, (91), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-02-08 10:07:10,640 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2025-02-08 10:07:10,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2025-02-08 10:07:10,643 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:10,643 INFO L218 NwaCegarLoop]: trace histogram [48, 48, 48, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:10,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 10:07:10,844 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,SelfDestructingSolverStorable6 [2025-02-08 10:07:10,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:10,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:10,845 INFO L85 PathProgramCache]: Analyzing trace with hash 2021770504, now seen corresponding path program 1 times [2025-02-08 10:07:10,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:10,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097389552] [2025-02-08 10:07:10,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:10,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:10,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-02-08 10:07:10,874 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-02-08 10:07:10,874 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:10,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:11,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:11,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097389552] [2025-02-08 10:07:11,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097389552] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:11,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130617272] [2025-02-08 10:07:11,052 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:11,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:11,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:11,054 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) [2025-02-08 10:07:11,056 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 [2025-02-08 10:07:11,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 262 statements into 1 equivalence classes. [2025-02-08 10:07:11,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 262 of 262 statements. [2025-02-08 10:07:11,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:11,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:11,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 10:07:11,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:11,384 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:11,385 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4512 backedges. 6 proven. 135 refuted. 0 times theorem prover too weak. 4371 trivial. 0 not checked. [2025-02-08 10:07:11,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130617272] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:11,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:11,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-02-08 10:07:11,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100140418] [2025-02-08 10:07:11,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:11,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 10:07:11,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:11,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 10:07:11,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 10:07:11,671 INFO L87 Difference]: Start difference. First operand 107 states and 160 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-02-08 10:07:12,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:12,052 INFO L93 Difference]: Finished difference Result 107 states and 160 transitions. [2025-02-08 10:07:12,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 10:07:12,053 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 262 [2025-02-08 10:07:12,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:12,055 INFO L225 Difference]: With dead ends: 107 [2025-02-08 10:07:12,055 INFO L226 Difference]: Without dead ends: 106 [2025-02-08 10:07:12,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 519 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 10:07:12,056 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 6 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:12,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 469 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:12,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-08 10:07:12,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2025-02-08 10:07:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 45 states have (on average 1.2666666666666666) internal successors, (57), 53 states have internal predecessors, (57), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:12,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 159 transitions. [2025-02-08 10:07:12,077 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 159 transitions. Word has length 262 [2025-02-08 10:07:12,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:12,077 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 159 transitions. [2025-02-08 10:07:12,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-02-08 10:07:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2025-02-08 10:07:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2025-02-08 10:07:12,080 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:12,081 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:12,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 10:07:12,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:12,282 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:12,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:12,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1345354565, now seen corresponding path program 1 times [2025-02-08 10:07:12,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:12,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051342415] [2025-02-08 10:07:12,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:12,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:12,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 267 statements into 1 equivalence classes. [2025-02-08 10:07:12,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 267 of 267 statements. [2025-02-08 10:07:12,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:12,325 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:12,495 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-02-08 10:07:12,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:12,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051342415] [2025-02-08 10:07:12,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051342415] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:12,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813072286] [2025-02-08 10:07:12,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:12,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:12,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:12,498 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) [2025-02-08 10:07:12,503 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 [2025-02-08 10:07:12,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 267 statements into 1 equivalence classes. [2025-02-08 10:07:12,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 267 of 267 statements. [2025-02-08 10:07:12,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:12,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:12,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 10:07:12,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-02-08 10:07:12,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-02-08 10:07:13,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813072286] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:13,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:13,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 10] total 19 [2025-02-08 10:07:13,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059224063] [2025-02-08 10:07:13,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:13,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 10:07:13,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:13,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 10:07:13,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2025-02-08 10:07:13,418 INFO L87 Difference]: Start difference. First operand 106 states and 159 transitions. Second operand has 20 states, 18 states have (on average 3.888888888888889) internal successors, (70), 17 states have internal predecessors, (70), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-02-08 10:07:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:14,068 INFO L93 Difference]: Finished difference Result 110 states and 166 transitions. [2025-02-08 10:07:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:07:14,069 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.888888888888889) internal successors, (70), 17 states have internal predecessors, (70), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) Word has length 267 [2025-02-08 10:07:14,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:14,071 INFO L225 Difference]: With dead ends: 110 [2025-02-08 10:07:14,071 INFO L226 Difference]: Without dead ends: 109 [2025-02-08 10:07:14,071 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 544 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=556, Unknown=0, NotChecked=0, Total=702 [2025-02-08 10:07:14,072 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 82 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:14,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 938 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:14,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-02-08 10:07:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2025-02-08 10:07:14,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 45 states have (on average 1.2444444444444445) internal successors, (56), 52 states have internal predecessors, (56), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:14,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 158 transitions. [2025-02-08 10:07:14,083 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 158 transitions. Word has length 267 [2025-02-08 10:07:14,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:14,085 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 158 transitions. [2025-02-08 10:07:14,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.888888888888889) internal successors, (70), 17 states have internal predecessors, (70), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-02-08 10:07:14,085 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 158 transitions. [2025-02-08 10:07:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2025-02-08 10:07:14,087 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:14,087 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:14,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:14,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:14,288 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:14,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1243681448, now seen corresponding path program 1 times [2025-02-08 10:07:14,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:14,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305465686] [2025-02-08 10:07:14,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:14,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:14,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-02-08 10:07:14,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-02-08 10:07:14,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:14,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-02-08 10:07:14,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:14,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305465686] [2025-02-08 10:07:14,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305465686] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:14,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659722269] [2025-02-08 10:07:14,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:14,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:14,610 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) [2025-02-08 10:07:14,612 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 [2025-02-08 10:07:14,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 268 statements into 1 equivalence classes. [2025-02-08 10:07:14,713 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 268 of 268 statements. [2025-02-08 10:07:14,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:14,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:14,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:14,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-02-08 10:07:14,919 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 18 proven. 126 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2025-02-08 10:07:15,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659722269] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:15,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:15,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2025-02-08 10:07:15,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753440932] [2025-02-08 10:07:15,208 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:15,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 10:07:15,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:15,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 10:07:15,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2025-02-08 10:07:15,210 INFO L87 Difference]: Start difference. First operand 105 states and 158 transitions. Second operand has 14 states, 12 states have (on average 6.0) internal successors, (72), 14 states have internal predecessors, (72), 9 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 8 states have call predecessors, (139), 9 states have call successors, (139) [2025-02-08 10:07:15,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:15,517 INFO L93 Difference]: Finished difference Result 105 states and 158 transitions. [2025-02-08 10:07:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 10:07:15,517 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.0) internal successors, (72), 14 states have internal predecessors, (72), 9 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 8 states have call predecessors, (139), 9 states have call successors, (139) Word has length 268 [2025-02-08 10:07:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:15,519 INFO L225 Difference]: With dead ends: 105 [2025-02-08 10:07:15,519 INFO L226 Difference]: Without dead ends: 104 [2025-02-08 10:07:15,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 530 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-02-08 10:07:15,520 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 46 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:15,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 661 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:15,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-08 10:07:15,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-08 10:07:15,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 51 states have internal predecessors, (55), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 157 transitions. [2025-02-08 10:07:15,534 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 157 transitions. Word has length 268 [2025-02-08 10:07:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:15,535 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 157 transitions. [2025-02-08 10:07:15,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.0) internal successors, (72), 14 states have internal predecessors, (72), 9 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 8 states have call predecessors, (139), 9 states have call successors, (139) [2025-02-08 10:07:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 157 transitions. [2025-02-08 10:07:15,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2025-02-08 10:07:15,538 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:15,538 INFO L218 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:15,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 10:07:15,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:15,739 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:15,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:15,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2126123992, now seen corresponding path program 1 times [2025-02-08 10:07:15,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:15,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305255396] [2025-02-08 10:07:15,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:15,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:15,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 271 statements into 1 equivalence classes. [2025-02-08 10:07:15,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 271 of 271 statements. [2025-02-08 10:07:15,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:15,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 30 proven. 252 refuted. 0 times theorem prover too weak. 4422 trivial. 0 not checked. [2025-02-08 10:07:15,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:15,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305255396] [2025-02-08 10:07:15,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305255396] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:15,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130713038] [2025-02-08 10:07:15,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:15,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:15,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:16,004 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) [2025-02-08 10:07:16,007 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 [2025-02-08 10:07:16,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 271 statements into 1 equivalence classes. [2025-02-08 10:07:16,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 271 of 271 statements. [2025-02-08 10:07:16,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:16,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:16,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 10:07:16,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:16,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-02-08 10:07:16,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:16,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 198 proven. 342 refuted. 0 times theorem prover too weak. 4164 trivial. 0 not checked. [2025-02-08 10:07:16,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130713038] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:16,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:16,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-02-08 10:07:16,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607493125] [2025-02-08 10:07:16,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:16,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 10:07:16,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:16,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 10:07:16,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-08 10:07:16,929 INFO L87 Difference]: Start difference. First operand 104 states and 157 transitions. Second operand has 23 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 23 states have internal predecessors, (82), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-02-08 10:07:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:17,596 INFO L93 Difference]: Finished difference Result 108 states and 162 transitions. [2025-02-08 10:07:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 10:07:17,597 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 23 states have internal predecessors, (82), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) Word has length 271 [2025-02-08 10:07:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:17,598 INFO L225 Difference]: With dead ends: 108 [2025-02-08 10:07:17,598 INFO L226 Difference]: Without dead ends: 107 [2025-02-08 10:07:17,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-02-08 10:07:17,599 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 68 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 1028 SdHoareTripleChecker+Invalid, 909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:17,599 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 1028 Invalid, 909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:17,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-08 10:07:17,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2025-02-08 10:07:17,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 45 states have (on average 1.2) internal successors, (54), 50 states have internal predecessors, (54), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 156 transitions. [2025-02-08 10:07:17,619 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 156 transitions. Word has length 271 [2025-02-08 10:07:17,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:17,619 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 156 transitions. [2025-02-08 10:07:17,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.9047619047619047) internal successors, (82), 23 states have internal predecessors, (82), 11 states have call successors, (141), 1 states have call predecessors, (141), 2 states have return successors, (143), 11 states have call predecessors, (143), 11 states have call successors, (143) [2025-02-08 10:07:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 156 transitions. [2025-02-08 10:07:17,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-02-08 10:07:17,622 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:17,622 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:17,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:17,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:17,823 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:17,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:17,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1519939031, now seen corresponding path program 1 times [2025-02-08 10:07:17,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:17,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038328003] [2025-02-08 10:07:17,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:17,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:17,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-02-08 10:07:17,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-02-08 10:07:17,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:17,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:18,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038328003] [2025-02-08 10:07:18,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038328003] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:18,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295826785] [2025-02-08 10:07:18,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:18,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:18,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:18,050 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) [2025-02-08 10:07:18,052 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 [2025-02-08 10:07:18,104 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-02-08 10:07:18,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-02-08 10:07:18,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:18,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:18,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:18,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:18,366 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:18,366 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:18,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295826785] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:18,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:18,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 10:07:18,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408572626] [2025-02-08 10:07:18,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:18,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:18,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:18,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:18,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:18,636 INFO L87 Difference]: Start difference. First operand 103 states and 156 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 6 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (136), 6 states have call predecessors, (136), 6 states have call successors, (136) [2025-02-08 10:07:18,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:18,956 INFO L93 Difference]: Finished difference Result 103 states and 156 transitions. [2025-02-08 10:07:18,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:18,957 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 6 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (136), 6 states have call predecessors, (136), 6 states have call successors, (136) Word has length 276 [2025-02-08 10:07:18,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:18,959 INFO L225 Difference]: With dead ends: 103 [2025-02-08 10:07:18,959 INFO L226 Difference]: Without dead ends: 102 [2025-02-08 10:07:18,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 555 GetRequests, 547 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:18,960 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 10 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:18,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 430 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:18,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-02-08 10:07:18,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2025-02-08 10:07:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 49 states have internal predecessors, (53), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:18,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 155 transitions. [2025-02-08 10:07:18,971 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 155 transitions. Word has length 276 [2025-02-08 10:07:18,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:18,972 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 155 transitions. [2025-02-08 10:07:18,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 8 states have internal predecessors, (78), 6 states have call successors, (135), 1 states have call predecessors, (135), 2 states have return successors, (136), 6 states have call predecessors, (136), 6 states have call successors, (136) [2025-02-08 10:07:18,973 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 155 transitions. [2025-02-08 10:07:18,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-02-08 10:07:18,974 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:18,974 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:18,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 10:07:19,175 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,SelfDestructingSolverStorable11 [2025-02-08 10:07:19,175 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:19,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:19,176 INFO L85 PathProgramCache]: Analyzing trace with hash -126530304, now seen corresponding path program 1 times [2025-02-08 10:07:19,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:19,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187444855] [2025-02-08 10:07:19,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:19,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-02-08 10:07:19,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-02-08 10:07:19,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:19,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:19,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:19,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187444855] [2025-02-08 10:07:19,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187444855] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:19,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395303405] [2025-02-08 10:07:19,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:19,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:19,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:19,397 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) [2025-02-08 10:07:19,400 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 [2025-02-08 10:07:19,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-02-08 10:07:19,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-02-08 10:07:19,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:19,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:19,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:19,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:19,735 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 24 proven. 123 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:20,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395303405] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:20,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:20,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2025-02-08 10:07:20,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609721738] [2025-02-08 10:07:20,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:20,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 10:07:20,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:20,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 10:07:20,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2025-02-08 10:07:20,011 INFO L87 Difference]: Start difference. First operand 102 states and 155 transitions. Second operand has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 7 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 7 states have call predecessors, (139), 7 states have call successors, (139) [2025-02-08 10:07:20,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:20,426 INFO L93 Difference]: Finished difference Result 107 states and 162 transitions. [2025-02-08 10:07:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 10:07:20,427 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 7 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 7 states have call predecessors, (139), 7 states have call successors, (139) Word has length 277 [2025-02-08 10:07:20,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:20,428 INFO L225 Difference]: With dead ends: 107 [2025-02-08 10:07:20,428 INFO L226 Difference]: Without dead ends: 106 [2025-02-08 10:07:20,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 549 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2025-02-08 10:07:20,429 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 51 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:20,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 593 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:20,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-08 10:07:20,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2025-02-08 10:07:20,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 48 states have internal predecessors, (52), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:20,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 154 transitions. [2025-02-08 10:07:20,440 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 154 transitions. Word has length 277 [2025-02-08 10:07:20,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:20,440 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 154 transitions. [2025-02-08 10:07:20,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.666666666666667) internal successors, (80), 13 states have internal predecessors, (80), 7 states have call successors, (138), 1 states have call predecessors, (138), 2 states have return successors, (139), 7 states have call predecessors, (139), 7 states have call successors, (139) [2025-02-08 10:07:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 154 transitions. [2025-02-08 10:07:20,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-02-08 10:07:20,442 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:20,443 INFO L218 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:20,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 10:07:20,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:20,643 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:20,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:20,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1516989428, now seen corresponding path program 1 times [2025-02-08 10:07:20,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:20,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588692011] [2025-02-08 10:07:20,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:20,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:20,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-02-08 10:07:20,666 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-02-08 10:07:20,666 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:20,666 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:20,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:20,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588692011] [2025-02-08 10:07:20,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588692011] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:20,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792694943] [2025-02-08 10:07:20,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:20,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:20,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:20,803 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:20,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 10:07:20,850 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-02-08 10:07:20,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-02-08 10:07:20,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:20,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:20,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 532 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 10:07:20,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:21,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 18 proven. 129 refuted. 0 times theorem prover too weak. 4753 trivial. 0 not checked. [2025-02-08 10:07:21,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792694943] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:21,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:21,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 8 [2025-02-08 10:07:21,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156011544] [2025-02-08 10:07:21,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:21,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 10:07:21,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:21,383 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 10:07:21,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 10:07:21,384 INFO L87 Difference]: Start difference. First operand 101 states and 154 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-02-08 10:07:21,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:21,713 INFO L93 Difference]: Finished difference Result 101 states and 154 transitions. [2025-02-08 10:07:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 10:07:21,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) Word has length 280 [2025-02-08 10:07:21,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:21,715 INFO L225 Difference]: With dead ends: 101 [2025-02-08 10:07:21,715 INFO L226 Difference]: Without dead ends: 100 [2025-02-08 10:07:21,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 555 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 10:07:21,716 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 27 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:21,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 405 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:21,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-08 10:07:21,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-02-08 10:07:21,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 47 states have internal predecessors, (51), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:21,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 153 transitions. [2025-02-08 10:07:21,726 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 153 transitions. Word has length 280 [2025-02-08 10:07:21,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:21,726 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 153 transitions. [2025-02-08 10:07:21,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (92), 1 states have call predecessors, (92), 2 states have return successors, (92), 4 states have call predecessors, (92), 4 states have call successors, (92) [2025-02-08 10:07:21,727 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 153 transitions. [2025-02-08 10:07:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2025-02-08 10:07:21,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:21,728 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:21,737 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:21,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:21,929 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:21,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:21,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1865007833, now seen corresponding path program 1 times [2025-02-08 10:07:21,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:21,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923777569] [2025-02-08 10:07:21,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:21,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:21,938 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 285 statements into 1 equivalence classes. [2025-02-08 10:07:21,957 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 285 of 285 statements. [2025-02-08 10:07:21,957 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:21,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:22,087 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-02-08 10:07:22,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:22,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923777569] [2025-02-08 10:07:22,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923777569] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:22,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412694627] [2025-02-08 10:07:22,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:22,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:22,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:22,091 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:22,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 10:07:22,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 285 statements into 1 equivalence classes. [2025-02-08 10:07:22,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 285 of 285 statements. [2025-02-08 10:07:22,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:22,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:22,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:22,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-02-08 10:07:22,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:22,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 24 proven. 126 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-02-08 10:07:22,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412694627] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:22,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:22,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-08 10:07:22,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611522246] [2025-02-08 10:07:22,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:22,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 10:07:22,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:22,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 10:07:22,684 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:22,684 INFO L87 Difference]: Start difference. First operand 100 states and 153 transitions. Second operand has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 6 states have call successors, (134), 1 states have call predecessors, (134), 2 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2025-02-08 10:07:22,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:22,968 INFO L93 Difference]: Finished difference Result 100 states and 153 transitions. [2025-02-08 10:07:22,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 10:07:22,969 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 6 states have call successors, (134), 1 states have call predecessors, (134), 2 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) Word has length 285 [2025-02-08 10:07:22,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:22,970 INFO L225 Difference]: With dead ends: 100 [2025-02-08 10:07:22,970 INFO L226 Difference]: Without dead ends: 99 [2025-02-08 10:07:22,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 573 GetRequests, 565 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 10:07:22,971 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 52 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:22,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 340 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 10:07:22,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-08 10:07:22,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-08 10:07:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 45 states have (on average 1.1111111111111112) internal successors, (50), 46 states have internal predecessors, (50), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:22,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 152 transitions. [2025-02-08 10:07:22,985 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 152 transitions. Word has length 285 [2025-02-08 10:07:22,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:22,985 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 152 transitions. [2025-02-08 10:07:22,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.777777777777779) internal successors, (88), 8 states have internal predecessors, (88), 6 states have call successors, (134), 1 states have call predecessors, (134), 2 states have return successors, (135), 6 states have call predecessors, (135), 6 states have call successors, (135) [2025-02-08 10:07:22,986 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 152 transitions. [2025-02-08 10:07:22,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2025-02-08 10:07:22,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:22,987 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:22,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 10:07:23,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 10:07:23,188 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:23,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:23,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1980667996, now seen corresponding path program 1 times [2025-02-08 10:07:23,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:23,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317023269] [2025-02-08 10:07:23,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:23,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:23,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-02-08 10:07:23,211 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-02-08 10:07:23,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:23,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:23,531 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-02-08 10:07:23,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:23,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317023269] [2025-02-08 10:07:23,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317023269] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:23,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237607293] [2025-02-08 10:07:23,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:23,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:23,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:23,534 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:23,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 10:07:23,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 286 statements into 1 equivalence classes. [2025-02-08 10:07:23,643 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 286 of 286 statements. [2025-02-08 10:07:23,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:23,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:23,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 545 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 10:07:23,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-02-08 10:07:23,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:24,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 30 proven. 120 refuted. 0 times theorem prover too weak. 4950 trivial. 0 not checked. [2025-02-08 10:07:24,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237607293] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:24,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:24,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 16 [2025-02-08 10:07:24,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627333293] [2025-02-08 10:07:24,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:24,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 10:07:24,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:24,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 10:07:24,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2025-02-08 10:07:24,170 INFO L87 Difference]: Start difference. First operand 99 states and 152 transitions. Second operand has 17 states, 16 states have (on average 5.6875) internal successors, (91), 17 states have internal predecessors, (91), 10 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 10 states have call predecessors, (140), 10 states have call successors, (140) [2025-02-08 10:07:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:24,695 INFO L93 Difference]: Finished difference Result 103 states and 157 transitions. [2025-02-08 10:07:24,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 10:07:24,696 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.6875) internal successors, (91), 17 states have internal predecessors, (91), 10 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 10 states have call predecessors, (140), 10 states have call successors, (140) Word has length 286 [2025-02-08 10:07:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:24,697 INFO L225 Difference]: With dead ends: 103 [2025-02-08 10:07:24,697 INFO L226 Difference]: Without dead ends: 102 [2025-02-08 10:07:24,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 589 GetRequests, 567 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2025-02-08 10:07:24,698 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 76 mSDsluCounter, 530 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:24,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 607 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 10:07:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-02-08 10:07:24,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98. [2025-02-08 10:07:24,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 45 states have internal predecessors, (49), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 10:07:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2025-02-08 10:07:24,709 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 286 [2025-02-08 10:07:24,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:24,710 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2025-02-08 10:07:24,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.6875) internal successors, (91), 17 states have internal predecessors, (91), 10 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (140), 10 states have call predecessors, (140), 10 states have call successors, (140) [2025-02-08 10:07:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2025-02-08 10:07:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2025-02-08 10:07:24,712 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 10:07:24,713 INFO L218 NwaCegarLoop]: trace histogram [51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:24,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 10:07:24,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-08 10:07:24,914 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 10:07:24,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 10:07:24,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1819578300, now seen corresponding path program 1 times [2025-02-08 10:07:24,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 10:07:24,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463634362] [2025-02-08 10:07:24,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:24,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 10:07:24,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 10:07:24,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 10:07:24,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:24,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:25,122 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 54 proven. 240 refuted. 0 times theorem prover too weak. 4806 trivial. 0 not checked. [2025-02-08 10:07:25,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 10:07:25,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463634362] [2025-02-08 10:07:25,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463634362] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 10:07:25,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403989553] [2025-02-08 10:07:25,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 10:07:25,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 10:07:25,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 10:07:25,125 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 10:07:25,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 10:07:25,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 289 statements into 1 equivalence classes. [2025-02-08 10:07:25,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 289 of 289 statements. [2025-02-08 10:07:25,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 10:07:25,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 10:07:25,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 10:07:25,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 10:07:25,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 240 proven. 324 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2025-02-08 10:07:25,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 10:07:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 5100 backedges. 240 proven. 324 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2025-02-08 10:07:25,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403989553] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 10:07:25,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 10:07:25,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 11] total 22 [2025-02-08 10:07:25,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629281786] [2025-02-08 10:07:25,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 10:07:25,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 10:07:25,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 10:07:25,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 10:07:25,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-02-08 10:07:25,972 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 23 states, 21 states have (on average 4.857142857142857) internal successors, (102), 23 states have internal predecessors, (102), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) [2025-02-08 10:07:26,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 10:07:26,648 INFO L93 Difference]: Finished difference Result 102 states and 156 transitions. [2025-02-08 10:07:26,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 10:07:26,649 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 4.857142857142857) internal successors, (102), 23 states have internal predecessors, (102), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) Word has length 289 [2025-02-08 10:07:26,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 10:07:26,650 INFO L225 Difference]: With dead ends: 102 [2025-02-08 10:07:26,650 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 10:07:26,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 563 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=717, Unknown=0, NotChecked=0, Total=870 [2025-02-08 10:07:26,651 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 125 mSDsluCounter, 679 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 10:07:26,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 764 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 10:07:26,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 10:07:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 10:07:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 10:07:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 10:07:26,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2025-02-08 10:07:26,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 10:07:26,653 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 10:07:26,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 4.857142857142857) internal successors, (102), 23 states have internal predecessors, (102), 11 states have call successors, (139), 1 states have call predecessors, (139), 2 states have return successors, (141), 11 states have call predecessors, (141), 11 states have call successors, (141) [2025-02-08 10:07:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 10:07:26,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 10:07:26,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-02-08 10:07:26,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 20 remaining) [2025-02-08 10:07:26,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-02-08 10:07:26,658 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-02-08 10:07:26,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 10:07:26,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 10:07:26,865 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 10:07:26,867 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 10:07:27,960 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 10:07:27,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 10:07:27 BoogieIcfgContainer [2025-02-08 10:07:27,964 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 10:07:27,964 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 10:07:27,964 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 10:07:27,965 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 10:07:27,965 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 10:07:01" (3/4) ... [2025-02-08 10:07:27,968 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 10:07:27,974 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume [2025-02-08 10:07:27,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 10:07:27,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 10:07:27,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 10:07:27,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 10:07:28,069 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 10:07:28,070 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 10:07:28,070 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 10:07:28,072 INFO L158 Benchmark]: Toolchain (without parser) took 27539.03ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 111.7MB in the beginning and 262.0MB in the end (delta: -150.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2025-02-08 10:07:28,072 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:07:28,072 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.11ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 99.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:07:28,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.10ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:07:28,073 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 10:07:28,073 INFO L158 Benchmark]: IcfgBuilder took 393.50ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 76.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 10:07:28,073 INFO L158 Benchmark]: TraceAbstraction took 26718.87ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 76.4MB in the beginning and 269.5MB in the end (delta: -193.1MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. [2025-02-08 10:07:28,073 INFO L158 Benchmark]: Witness Printer took 106.45ms. Allocated memory is still 343.9MB. Free memory was 269.5MB in the beginning and 262.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 10:07:28,077 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.11ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 99.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.10ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 98.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 96.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 393.50ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 76.9MB in the end (delta: 19.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26718.87ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 76.4MB in the beginning and 269.5MB in the end (delta: -193.1MB). Peak memory consumption was 165.8MB. Max. memory is 16.1GB. * Witness Printer took 106.45ms. Allocated memory is still 343.9MB. Free memory was 269.5MB in the beginning and 262.0MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 111]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 111]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 107]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 104]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 102]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 102]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 101]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 98]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 17, TraceHistogramMax: 51, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 568 mSDsluCounter, 9196 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7417 mSDsCounter, 486 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7165 IncrementalHoareTripleChecker+Invalid, 7651 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 486 mSolverCounterUnsat, 1779 mSDtfsCounter, 7165 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8425 GetRequests, 8209 SyntacticMatches, 10 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=0, InterpolantAutomatonStates: 135, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 8810 NumberOfCodeBlocks, 8810 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 12792 ConstructedInterpolants, 0 QuantifiedInterpolants, 29255 SizeOfPredicates, 24 NumberOfNonLiveVariables, 8127 ConjunctsInSsa, 162 ConjunctsInUnsatCore, 48 InterpolantComputations, 2 PerfectInterpolantSequences, 217168/224832 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 20 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 10:07:28,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE