./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.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 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:11:03,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:11:03,265 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:11:03,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:11:03,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:11:03,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:11:03,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:11:03,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:11:03,292 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:11:03,292 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:11:03,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:11:03,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:11:03,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:11:03,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:11:03,293 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:11:03,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:11:03,294 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:11:03,295 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:11:03,295 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:11:03,295 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:11:03,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:11:03,295 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:11:03,295 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:11:03,295 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:11:03,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:11:03,296 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:11:03,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:11:03,297 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 -> 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 [2025-02-06 14:11:03,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:11:03,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:11:03,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:11:03,562 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:11:03,562 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:11:03,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2025-02-06 14:11:04,959 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/789d503e6/8310b9369b6641b8b6f54a0fe6aff9a8/FLAG1fc070f01 [2025-02-06 14:11:05,189 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:11:05,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2025-02-06 14:11:05,201 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/789d503e6/8310b9369b6641b8b6f54a0fe6aff9a8/FLAG1fc070f01 [2025-02-06 14:11:05,215 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/789d503e6/8310b9369b6641b8b6f54a0fe6aff9a8 [2025-02-06 14:11:05,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:11:05,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:11:05,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:11:05,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:11:05,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:11:05,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82a844e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05, skipping insertion in model container [2025-02-06 14:11:05,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:11:05,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:11:05,330 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:11:05,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:11:05,353 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:11:05,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05 WrapperNode [2025-02-06 14:11:05,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:11:05,355 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:11:05,355 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:11:05,355 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:11:05,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,375 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2025-02-06 14:11:05,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:11:05,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:11:05,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:11:05,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:11:05,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,380 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,381 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,391 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:11:05,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,395 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,398 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:11:05,403 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:11:05,403 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:11:05,403 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:11:05,404 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (1/1) ... [2025-02-06 14:11:05,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:11:05,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:05,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:11:05,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:11:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:11:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:11:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:11:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:11:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:11:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:11:05,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:11:05,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:11:05,491 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:11:05,492 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:11:05,734 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2025-02-06 14:11:05,734 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:11:05,745 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:11:05,746 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:11:05,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:05 BoogieIcfgContainer [2025-02-06 14:11:05,746 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:11:05,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:11:05,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:11:05,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:11:05,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:11:05" (1/3) ... [2025-02-06 14:11:05,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1212ac6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:05, skipping insertion in model container [2025-02-06 14:11:05,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:05" (2/3) ... [2025-02-06 14:11:05,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1212ac6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:05, skipping insertion in model container [2025-02-06 14:11:05,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:05" (3/3) ... [2025-02-06 14:11:05,753 INFO L128 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound10.c [2025-02-06 14:11:05,763 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:11:05,764 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo3-ll_valuebound10.c that has 3 procedures, 86 locations, 1 initial locations, 1 loop locations, and 30 error locations. [2025-02-06 14:11:05,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:11:05,811 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@342a65f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:11:05,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2025-02-06 14:11:05,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 48 states have (on average 1.7083333333333333) internal successors, (82), 78 states have internal predecessors, (82), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:11:05,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:05,817 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:05,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:05,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:05,821 INFO L85 PathProgramCache]: Analyzing trace with hash 506767789, now seen corresponding path program 1 times [2025-02-06 14:11:05,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:05,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828615253] [2025-02-06 14:11:05,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:05,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:05,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:11:05,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:11:05,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:05,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:11:05,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:05,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828615253] [2025-02-06 14:11:05,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828615253] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:05,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915992975] [2025-02-06 14:11:05,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:05,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:05,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:05,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:05,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:11:05,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:11:05,952 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:11:05,952 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:05,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:05,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:11:05,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:11:05,963 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:05,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915992975] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:05,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:05,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:11:05,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099711879] [2025-02-06 14:11:05,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:05,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:11:05,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:05,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:11:05,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:11:05,984 INFO L87 Difference]: Start difference. First operand has 86 states, 48 states have (on average 1.7083333333333333) internal successors, (82), 78 states have internal predecessors, (82), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:11:05,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:05,998 INFO L93 Difference]: Finished difference Result 168 states and 184 transitions. [2025-02-06 14:11:05,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:11:05,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-02-06 14:11:06,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:06,004 INFO L225 Difference]: With dead ends: 168 [2025-02-06 14:11:06,004 INFO L226 Difference]: Without dead ends: 79 [2025-02-06 14:11:06,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:11:06,008 INFO L435 NwaCegarLoop]: 88 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, 88 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 [2025-02-06 14:11:06,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:06,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-02-06 14:11:06,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-02-06 14:11:06,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 43 states have (on average 1.697674418604651) internal successors, (73), 72 states have internal predecessors, (73), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:06,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2025-02-06 14:11:06,044 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 21 [2025-02-06 14:11:06,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:06,044 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2025-02-06 14:11:06,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:11:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2025-02-06 14:11:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:11:06,045 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:06,045 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:06,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:11:06,246 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 [2025-02-06 14:11:06,246 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:06,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:06,246 INFO L85 PathProgramCache]: Analyzing trace with hash 64049648, now seen corresponding path program 1 times [2025-02-06 14:11:06,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:06,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308877051] [2025-02-06 14:11:06,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:06,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:06,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:11:06,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:11:06,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:06,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:06,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [679950877] [2025-02-06 14:11:06,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:06,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:06,286 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:06,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:11:06,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:11:06,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:11:06,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:06,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:06,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:11:06,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:06,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:06,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:06,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308877051] [2025-02-06 14:11:06,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:06,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679950877] [2025-02-06 14:11:06,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679950877] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:06,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:06,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:11:06,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139109719] [2025-02-06 14:11:06,496 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:06,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:06,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:06,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:06,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:06,497 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:06,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:06,639 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2025-02-06 14:11:06,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:06,640 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2025-02-06 14:11:06,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:06,640 INFO L225 Difference]: With dead ends: 79 [2025-02-06 14:11:06,640 INFO L226 Difference]: Without dead ends: 77 [2025-02-06 14:11:06,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:06,641 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 38 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:06,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 98 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:06,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-02-06 14:11:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-02-06 14:11:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.6511627906976745) internal successors, (71), 70 states have internal predecessors, (71), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 79 transitions. [2025-02-06 14:11:06,646 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 79 transitions. Word has length 21 [2025-02-06 14:11:06,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:06,647 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 79 transitions. [2025-02-06 14:11:06,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 79 transitions. [2025-02-06 14:11:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 14:11:06,648 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:06,648 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:06,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:11:06,852 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 [2025-02-06 14:11:06,852 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:06,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:06,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1137618833, now seen corresponding path program 1 times [2025-02-06 14:11:06,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:06,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257854952] [2025-02-06 14:11:06,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:06,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:06,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:11:06,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:11:06,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:06,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:06,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [823603936] [2025-02-06 14:11:06,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:06,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:06,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:06,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:06,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:11:06,905 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 14:11:06,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 14:11:06,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:06,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:06,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:06,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:07,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:07,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:07,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:07,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257854952] [2025-02-06 14:11:07,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:07,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823603936] [2025-02-06 14:11:07,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823603936] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:07,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:07,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:11:07,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984636954] [2025-02-06 14:11:07,047 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:07,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:07,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:07,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:07,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:07,048 INFO L87 Difference]: Start difference. First operand 77 states and 79 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:07,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:07,207 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2025-02-06 14:11:07,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:07,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 24 [2025-02-06 14:11:07,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:07,208 INFO L225 Difference]: With dead ends: 77 [2025-02-06 14:11:07,208 INFO L226 Difference]: Without dead ends: 73 [2025-02-06 14:11:07,208 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:07,209 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 73 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:07,209 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 100 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2025-02-06 14:11:07,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2025-02-06 14:11:07,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.558139534883721) internal successors, (67), 66 states have internal predecessors, (67), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:07,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2025-02-06 14:11:07,213 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 24 [2025-02-06 14:11:07,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:07,214 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2025-02-06 14:11:07,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:07,214 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2025-02-06 14:11:07,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 14:11:07,214 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:07,214 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:07,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 14:11:07,419 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 [2025-02-06 14:11:07,419 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:07,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:07,420 INFO L85 PathProgramCache]: Analyzing trace with hash 906445484, now seen corresponding path program 1 times [2025-02-06 14:11:07,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:07,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331131252] [2025-02-06 14:11:07,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:07,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 14:11:07,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 14:11:07,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:07,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:07,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389091328] [2025-02-06 14:11:07,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:07,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:07,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:07,449 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:07,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:11:07,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 14:11:07,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 14:11:07,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:07,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:07,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:11:07,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:07,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:07,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331131252] [2025-02-06 14:11:07,748 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:07,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389091328] [2025-02-06 14:11:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389091328] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:07,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:07,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 14:11:07,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552747482] [2025-02-06 14:11:07,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:07,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:07,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:07,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:07,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:07,750 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:08,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:08,100 INFO L93 Difference]: Finished difference Result 109 states and 127 transitions. [2025-02-06 14:11:08,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:08,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2025-02-06 14:11:08,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:08,101 INFO L225 Difference]: With dead ends: 109 [2025-02-06 14:11:08,102 INFO L226 Difference]: Without dead ends: 106 [2025-02-06 14:11:08,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:08,102 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 95 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:08,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 90 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:08,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-06 14:11:08,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 74. [2025-02-06 14:11:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 67 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:08,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2025-02-06 14:11:08,116 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 25 [2025-02-06 14:11:08,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:08,116 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2025-02-06 14:11:08,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:08,116 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2025-02-06 14:11:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 14:11:08,116 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:08,117 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:08,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:08,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:08,317 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:08,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:08,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1964961041, now seen corresponding path program 1 times [2025-02-06 14:11:08,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:08,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596293198] [2025-02-06 14:11:08,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:08,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:08,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 14:11:08,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 14:11:08,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:08,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:08,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696611344] [2025-02-06 14:11:08,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:08,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:08,343 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:08,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:11:08,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 14:11:08,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 14:11:08,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:08,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:08,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 14:11:08,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:08,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:08,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:08,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596293198] [2025-02-06 14:11:08,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:08,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696611344] [2025-02-06 14:11:08,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696611344] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:08,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:08,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:11:08,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291614050] [2025-02-06 14:11:08,597 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:08,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:08,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:08,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:08,598 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:08,598 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:08,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:08,760 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2025-02-06 14:11:08,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:08,760 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 26 [2025-02-06 14:11:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:08,761 INFO L225 Difference]: With dead ends: 115 [2025-02-06 14:11:08,761 INFO L226 Difference]: Without dead ends: 106 [2025-02-06 14:11:08,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:08,762 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 170 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:08,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 105 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:08,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-06 14:11:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2025-02-06 14:11:08,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 88 states have internal predecessors, (96), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:08,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2025-02-06 14:11:08,771 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 26 [2025-02-06 14:11:08,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:08,771 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2025-02-06 14:11:08,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:08,771 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2025-02-06 14:11:08,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 14:11:08,771 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:08,772 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:08,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:08,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:08,976 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:08,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:08,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1027324331, now seen corresponding path program 1 times [2025-02-06 14:11:08,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:08,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750020463] [2025-02-06 14:11:08,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:08,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 14:11:08,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 14:11:08,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:08,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:08,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [578045357] [2025-02-06 14:11:08,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:08,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:08,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:08,997 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:08,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:11:09,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 14:11:09,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 14:11:09,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:09,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:09,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:09,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:09,158 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:09,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:09,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750020463] [2025-02-06 14:11:09,161 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:09,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [578045357] [2025-02-06 14:11:09,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [578045357] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:09,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:09,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:11:09,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377509146] [2025-02-06 14:11:09,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:09,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:09,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:09,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:09,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:09,162 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:09,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:09,272 INFO L93 Difference]: Finished difference Result 106 states and 117 transitions. [2025-02-06 14:11:09,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:09,273 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2025-02-06 14:11:09,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:09,274 INFO L225 Difference]: With dead ends: 106 [2025-02-06 14:11:09,274 INFO L226 Difference]: Without dead ends: 104 [2025-02-06 14:11:09,274 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:09,274 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 80 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:09,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 90 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:09,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-06 14:11:09,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 97. [2025-02-06 14:11:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.411764705882353) internal successors, (96), 89 states have internal predecessors, (96), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 106 transitions. [2025-02-06 14:11:09,284 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 106 transitions. Word has length 30 [2025-02-06 14:11:09,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:09,286 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 106 transitions. [2025-02-06 14:11:09,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2025-02-06 14:11:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 14:11:09,286 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:09,286 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:09,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:09,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-06 14:11:09,490 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:09,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:09,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1782283206, now seen corresponding path program 1 times [2025-02-06 14:11:09,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:09,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365667220] [2025-02-06 14:11:09,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:09,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:09,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 14:11:09,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 14:11:09,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:09,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:09,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1578620358] [2025-02-06 14:11:09,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:09,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:09,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:09,514 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:09,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:11:09,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 14:11:09,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 14:11:09,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:09,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:09,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:09,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:10,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365667220] [2025-02-06 14:11:10,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578620358] [2025-02-06 14:11:10,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578620358] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:10,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:10,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:10,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928806820] [2025-02-06 14:11:10,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:10,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:10,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:10,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:10,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-06 14:11:10,743 INFO L87 Difference]: Start difference. First operand 97 states and 106 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:11,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:11:12,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:11:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:13,067 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2025-02-06 14:11:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:13,068 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-02-06 14:11:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:13,068 INFO L225 Difference]: With dead ends: 106 [2025-02-06 14:11:13,068 INFO L226 Difference]: Without dead ends: 104 [2025-02-06 14:11:13,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-02-06 14:11:13,069 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 23 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:13,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 158 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 2 Unknown, 0 Unchecked, 2.3s Time] [2025-02-06 14:11:13,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-06 14:11:13,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2025-02-06 14:11:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 69 states have (on average 1.391304347826087) internal successors, (96), 90 states have internal predecessors, (96), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:13,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2025-02-06 14:11:13,074 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 31 [2025-02-06 14:11:13,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:13,074 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2025-02-06 14:11:13,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2025-02-06 14:11:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 14:11:13,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:13,075 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:13,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:11:13,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:13,278 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:13,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:13,278 INFO L85 PathProgramCache]: Analyzing trace with hash -583795447, now seen corresponding path program 1 times [2025-02-06 14:11:13,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:13,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477296302] [2025-02-06 14:11:13,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:13,281 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:11:13,294 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:11:13,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:13,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:13,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [860867526] [2025-02-06 14:11:13,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:13,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:13,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:13,296 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:13,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:11:13,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:11:13,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:11:13,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:13,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:13,328 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:11:13,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:13,554 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:13,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:13,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:13,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477296302] [2025-02-06 14:11:13,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:13,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860867526] [2025-02-06 14:11:13,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860867526] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:13,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:13,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-02-06 14:11:13,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854617373] [2025-02-06 14:11:13,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:13,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:13,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:13,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:13,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:13,634 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:17,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:11:17,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:17,843 INFO L93 Difference]: Finished difference Result 99 states and 106 transitions. [2025-02-06 14:11:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:17,843 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2025-02-06 14:11:17,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:17,844 INFO L225 Difference]: With dead ends: 99 [2025-02-06 14:11:17,844 INFO L226 Difference]: Without dead ends: 97 [2025-02-06 14:11:17,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:17,844 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:17,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 76 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2025-02-06 14:11:17,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-02-06 14:11:17,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-02-06 14:11:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 89 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:17,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 104 transitions. [2025-02-06 14:11:17,854 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 104 transitions. Word has length 32 [2025-02-06 14:11:17,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:17,854 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 104 transitions. [2025-02-06 14:11:17,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:17,854 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 104 transitions. [2025-02-06 14:11:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:11:17,855 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:17,855 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:17,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 14:11:18,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:18,055 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:18,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash -917789660, now seen corresponding path program 1 times [2025-02-06 14:11:18,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:18,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164800982] [2025-02-06 14:11:18,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:18,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:18,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:18,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:18,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:18,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:18,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [48647831] [2025-02-06 14:11:18,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:18,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:18,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:18,080 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:18,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:11:18,100 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:18,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:18,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:18,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:18,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:11:18,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:18,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:18,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:18,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164800982] [2025-02-06 14:11:18,647 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:18,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48647831] [2025-02-06 14:11:18,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48647831] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:18,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:18,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:18,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496808202] [2025-02-06 14:11:18,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:18,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:18,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:18,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:18,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:18,650 INFO L87 Difference]: Start difference. First operand 97 states and 104 transitions. Second operand has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:18,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:18,828 INFO L93 Difference]: Finished difference Result 107 states and 110 transitions. [2025-02-06 14:11:18,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:11:18,828 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 33 [2025-02-06 14:11:18,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:18,830 INFO L225 Difference]: With dead ends: 107 [2025-02-06 14:11:18,830 INFO L226 Difference]: Without dead ends: 93 [2025-02-06 14:11:18,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:18,830 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 135 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:18,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 85 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-02-06 14:11:18,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2025-02-06 14:11:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 83 states have internal predecessors, (86), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 96 transitions. [2025-02-06 14:11:18,838 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 96 transitions. Word has length 33 [2025-02-06 14:11:18,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:18,839 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 96 transitions. [2025-02-06 14:11:18,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.0) internal successors, (24), 9 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:11:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 96 transitions. [2025-02-06 14:11:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:11:18,839 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:18,839 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:18,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:11:19,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:19,045 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:19,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:19,045 INFO L85 PathProgramCache]: Analyzing trace with hash -513454696, now seen corresponding path program 1 times [2025-02-06 14:11:19,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:19,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202991351] [2025-02-06 14:11:19,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:19,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:19,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:11:19,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:11:19,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:19,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:19,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:19,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202991351] [2025-02-06 14:11:19,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202991351] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:19,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:19,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:19,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677216929] [2025-02-06 14:11:19,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:19,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:19,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:19,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:19,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:19,093 INFO L87 Difference]: Start difference. First operand 91 states and 96 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:11:19,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:19,105 INFO L93 Difference]: Finished difference Result 93 states and 96 transitions. [2025-02-06 14:11:19,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:19,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-02-06 14:11:19,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:19,106 INFO L225 Difference]: With dead ends: 93 [2025-02-06 14:11:19,106 INFO L226 Difference]: Without dead ends: 91 [2025-02-06 14:11:19,106 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:19,107 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:19,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 131 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-02-06 14:11:19,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-02-06 14:11:19,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 63 states have (on average 1.3333333333333333) internal successors, (84), 83 states have internal predecessors, (84), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 94 transitions. [2025-02-06 14:11:19,115 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 94 transitions. Word has length 40 [2025-02-06 14:11:19,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:19,116 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 94 transitions. [2025-02-06 14:11:19,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:11:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 94 transitions. [2025-02-06 14:11:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:11:19,117 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:19,117 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:19,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 14:11:19,117 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:19,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:19,117 INFO L85 PathProgramCache]: Analyzing trace with hash 798728791, now seen corresponding path program 1 times [2025-02-06 14:11:19,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:19,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986219053] [2025-02-06 14:11:19,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:19,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:19,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:11:19,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:11:19,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:19,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:19,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261919522] [2025-02-06 14:11:19,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:19,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:19,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:19,136 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:19,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:11:19,158 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:11:19,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:11:19,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:19,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:19,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 14:11:19,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:19,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:19,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:19,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:19,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986219053] [2025-02-06 14:11:19,593 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:19,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261919522] [2025-02-06 14:11:19,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261919522] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:19,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:19,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:11:19,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311765804] [2025-02-06 14:11:19,593 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:19,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:11:19,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:19,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:11:19,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:19,594 INFO L87 Difference]: Start difference. First operand 91 states and 94 transitions. Second operand has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:19,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:19,854 INFO L93 Difference]: Finished difference Result 128 states and 143 transitions. [2025-02-06 14:11:19,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:11:19,854 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2025-02-06 14:11:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:19,855 INFO L225 Difference]: With dead ends: 128 [2025-02-06 14:11:19,855 INFO L226 Difference]: Without dead ends: 126 [2025-02-06 14:11:19,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:19,856 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 104 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:19,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 131 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:19,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-02-06 14:11:19,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 110. [2025-02-06 14:11:19,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 101 states have internal predecessors, (113), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:19,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 125 transitions. [2025-02-06 14:11:19,860 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 125 transitions. Word has length 50 [2025-02-06 14:11:19,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:19,860 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 125 transitions. [2025-02-06 14:11:19,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:19,860 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2025-02-06 14:11:19,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 14:11:19,861 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:19,861 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:19,869 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 [2025-02-06 14:11:20,065 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 [2025-02-06 14:11:20,065 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:20,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1009211228, now seen corresponding path program 1 times [2025-02-06 14:11:20,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:20,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342624216] [2025-02-06 14:11:20,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:20,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:20,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:11:20,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:11:20,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:20,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:20,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4197308] [2025-02-06 14:11:20,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:20,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:20,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:20,088 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:20,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:11:20,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 14:11:20,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 14:11:20,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:20,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:20,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:11:20,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:20,247 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:20,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:20,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:20,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342624216] [2025-02-06 14:11:20,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:20,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4197308] [2025-02-06 14:11:20,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4197308] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:20,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:20,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:11:20,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466254094] [2025-02-06 14:11:20,352 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:20,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:20,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:20,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:20,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:20,353 INFO L87 Difference]: Start difference. First operand 110 states and 125 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:11:20,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:20,487 INFO L93 Difference]: Finished difference Result 110 states and 125 transitions. [2025-02-06 14:11:20,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:20,487 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2025-02-06 14:11:20,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:20,488 INFO L225 Difference]: With dead ends: 110 [2025-02-06 14:11:20,488 INFO L226 Difference]: Without dead ends: 108 [2025-02-06 14:11:20,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:20,489 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 60 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:20,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 136 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:20,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-02-06 14:11:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-02-06 14:11:20,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 81 states have (on average 1.3580246913580247) internal successors, (110), 99 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 122 transitions. [2025-02-06 14:11:20,493 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 122 transitions. Word has length 51 [2025-02-06 14:11:20,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:20,493 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 122 transitions. [2025-02-06 14:11:20,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:11:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2025-02-06 14:11:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 14:11:20,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:20,494 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:20,501 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:11:20,695 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 [2025-02-06 14:11:20,695 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:20,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:20,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1220776971, now seen corresponding path program 1 times [2025-02-06 14:11:20,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:20,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771409843] [2025-02-06 14:11:20,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:20,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:20,698 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 14:11:20,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 14:11:20,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:20,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:20,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1756980730] [2025-02-06 14:11:20,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:20,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:20,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:20,714 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:20,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:11:20,735 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 14:11:20,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 14:11:20,745 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:20,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:20,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:11:20,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:21,246 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:21,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:21,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771409843] [2025-02-06 14:11:21,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:21,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1756980730] [2025-02-06 14:11:21,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1756980730] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:21,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:21,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:11:21,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907996103] [2025-02-06 14:11:21,418 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:21,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:11:21,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:21,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:11:21,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:11:21,419 INFO L87 Difference]: Start difference. First operand 108 states and 122 transitions. Second operand has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 13 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:21,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:21,800 INFO L93 Difference]: Finished difference Result 108 states and 122 transitions. [2025-02-06 14:11:21,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:11:21,800 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 13 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 52 [2025-02-06 14:11:21,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:21,801 INFO L225 Difference]: With dead ends: 108 [2025-02-06 14:11:21,801 INFO L226 Difference]: Without dead ends: 102 [2025-02-06 14:11:21,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:11:21,801 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 127 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:21,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 132 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:21,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-02-06 14:11:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2025-02-06 14:11:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 81 states have (on average 1.2469135802469136) internal successors, (101), 93 states have internal predecessors, (101), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2025-02-06 14:11:21,809 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 52 [2025-02-06 14:11:21,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:21,809 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2025-02-06 14:11:21,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.4166666666666665) internal successors, (41), 13 states have internal predecessors, (41), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:21,810 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2025-02-06 14:11:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:11:21,811 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:21,811 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:21,817 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-06 14:11:22,011 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 [2025-02-06 14:11:22,012 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:22,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:22,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1616342240, now seen corresponding path program 1 times [2025-02-06 14:11:22,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:22,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177376812] [2025-02-06 14:11:22,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:22,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:22,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:11:22,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:11:22,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:22,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:22,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1362472306] [2025-02-06 14:11:22,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:22,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:22,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:22,032 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) [2025-02-06 14:11:22,033 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 [2025-02-06 14:11:22,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:11:22,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:11:22,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:22,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:22,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:11:22,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:22,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:22,492 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:22,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:22,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177376812] [2025-02-06 14:11:22,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:22,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362472306] [2025-02-06 14:11:22,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362472306] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:22,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:22,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:22,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851363658] [2025-02-06 14:11:22,584 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:22,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:22,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:22,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:22,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:22,586 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:22,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:22,789 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2025-02-06 14:11:22,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:11:22,789 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 55 [2025-02-06 14:11:22,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:22,790 INFO L225 Difference]: With dead ends: 102 [2025-02-06 14:11:22,790 INFO L226 Difference]: Without dead ends: 99 [2025-02-06 14:11:22,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:22,791 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 116 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:22,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 101 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:22,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-06 14:11:22,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-02-06 14:11:22,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 81 states have (on average 1.1975308641975309) internal successors, (97), 90 states have internal predecessors, (97), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:22,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 109 transitions. [2025-02-06 14:11:22,798 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 109 transitions. Word has length 55 [2025-02-06 14:11:22,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:22,798 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 109 transitions. [2025-02-06 14:11:22,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.5) internal successors, (44), 9 states have internal predecessors, (44), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:22,798 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 109 transitions. [2025-02-06 14:11:22,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 14:11:22,800 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:22,800 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:22,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:11:23,001 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 [2025-02-06 14:11:23,001 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:23,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:23,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1432998095, now seen corresponding path program 1 times [2025-02-06 14:11:23,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:23,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708438431] [2025-02-06 14:11:23,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:23,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:23,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:11:23,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:11:23,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:23,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:23,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1520001396] [2025-02-06 14:11:23,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:23,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:23,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:23,022 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) [2025-02-06 14:11:23,024 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 [2025-02-06 14:11:23,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-06 14:11:23,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:11:23,056 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:23,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:23,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:11:23,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 14:11:23,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:24,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:24,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708438431] [2025-02-06 14:11:24,010 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:24,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520001396] [2025-02-06 14:11:24,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520001396] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:24,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:24,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:11:24,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713954840] [2025-02-06 14:11:24,010 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:24,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:11:24,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:24,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:11:24,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:11:24,011 INFO L87 Difference]: Start difference. First operand 99 states and 109 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:24,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:24,366 INFO L93 Difference]: Finished difference Result 118 states and 125 transitions. [2025-02-06 14:11:24,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:11:24,367 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 56 [2025-02-06 14:11:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:24,368 INFO L225 Difference]: With dead ends: 118 [2025-02-06 14:11:24,368 INFO L226 Difference]: Without dead ends: 115 [2025-02-06 14:11:24,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:11:24,368 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 105 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:24,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 172 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:24,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2025-02-06 14:11:24,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2025-02-06 14:11:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 91 states have (on average 1.164835164835165) internal successors, (106), 100 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 118 transitions. [2025-02-06 14:11:24,374 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 118 transitions. Word has length 56 [2025-02-06 14:11:24,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:24,374 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 118 transitions. [2025-02-06 14:11:24,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 12 states have internal predecessors, (45), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:11:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 118 transitions. [2025-02-06 14:11:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-02-06 14:11:24,377 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:24,377 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:24,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:24,581 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 [2025-02-06 14:11:24,581 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:24,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:24,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1473267970, now seen corresponding path program 1 times [2025-02-06 14:11:24,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:24,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107792390] [2025-02-06 14:11:24,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:24,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:24,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 14:11:24,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 14:11:24,599 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:24,599 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:24,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [153237256] [2025-02-06 14:11:24,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:24,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:24,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:24,603 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) [2025-02-06 14:11:24,611 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 [2025-02-06 14:11:24,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-06 14:11:24,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-06 14:11:24,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:24,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:24,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:11:24,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:24,839 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:24,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:24,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107792390] [2025-02-06 14:11:24,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:24,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153237256] [2025-02-06 14:11:24,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [153237256] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:24,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:24,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-02-06 14:11:24,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805795417] [2025-02-06 14:11:24,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:24,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:24,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:24,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:24,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:24,994 INFO L87 Difference]: Start difference. First operand 109 states and 118 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:11:25,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:25,272 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2025-02-06 14:11:25,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:25,272 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 57 [2025-02-06 14:11:25,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:25,273 INFO L225 Difference]: With dead ends: 109 [2025-02-06 14:11:25,273 INFO L226 Difference]: Without dead ends: 108 [2025-02-06 14:11:25,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:25,273 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 31 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:25,274 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 155 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:25,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-02-06 14:11:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-02-06 14:11:25,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 91 states have (on average 1.1428571428571428) internal successors, (104), 99 states have internal predecessors, (104), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:25,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 116 transitions. [2025-02-06 14:11:25,279 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 116 transitions. Word has length 57 [2025-02-06 14:11:25,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:25,279 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 116 transitions. [2025-02-06 14:11:25,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:11:25,279 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2025-02-06 14:11:25,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 14:11:25,280 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:25,280 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:25,285 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:11:25,480 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 [2025-02-06 14:11:25,480 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:25,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1573333199, now seen corresponding path program 1 times [2025-02-06 14:11:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:25,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605585534] [2025-02-06 14:11:25,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:25,484 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 14:11:25,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:11:25,490 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:25,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924318426] [2025-02-06 14:11:25,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:25,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:25,492 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) [2025-02-06 14:11:25,497 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 [2025-02-06 14:11:25,517 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 14:11:25,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:11:25,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:11:25,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:25,799 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:26,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:26,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605585534] [2025-02-06 14:11:26,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:26,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924318426] [2025-02-06 14:11:26,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924318426] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:26,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:26,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-02-06 14:11:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862931171] [2025-02-06 14:11:26,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:26,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:26,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:26,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:26,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:26,070 INFO L87 Difference]: Start difference. First operand 108 states and 116 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:11:26,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:26,571 INFO L93 Difference]: Finished difference Result 108 states and 116 transitions. [2025-02-06 14:11:26,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:26,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 58 [2025-02-06 14:11:26,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:26,572 INFO L225 Difference]: With dead ends: 108 [2025-02-06 14:11:26,572 INFO L226 Difference]: Without dead ends: 96 [2025-02-06 14:11:26,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:26,573 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 30 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:26,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 124 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:11:26,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-02-06 14:11:26,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2025-02-06 14:11:26,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 81 states have (on average 1.1111111111111112) internal successors, (90), 87 states have internal predecessors, (90), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:26,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2025-02-06 14:11:26,579 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 58 [2025-02-06 14:11:26,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:26,579 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2025-02-06 14:11:26,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 14:11:26,579 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2025-02-06 14:11:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 14:11:26,580 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:26,580 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:26,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:26,781 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 [2025-02-06 14:11:26,782 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:26,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash -619298163, now seen corresponding path program 1 times [2025-02-06 14:11:26,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:26,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256622661] [2025-02-06 14:11:26,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:26,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 14:11:26,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 14:11:26,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:11:26,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:26,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256622661] [2025-02-06 14:11:26,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256622661] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:26,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223152312] [2025-02-06 14:11:26,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:26,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:26,852 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:26,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:11:26,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 14:11:26,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 14:11:26,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:26,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:26,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:26,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:11:26,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:26,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223152312] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:26,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:26,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 14:11:26,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555126091] [2025-02-06 14:11:26,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:26,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:26,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:26,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:26,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:26,919 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:11:26,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:26,943 INFO L93 Difference]: Finished difference Result 96 states and 102 transitions. [2025-02-06 14:11:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:26,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 65 [2025-02-06 14:11:26,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:26,944 INFO L225 Difference]: With dead ends: 96 [2025-02-06 14:11:26,944 INFO L226 Difference]: Without dead ends: 95 [2025-02-06 14:11:26,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:26,944 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:26,944 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 101 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:26,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-02-06 14:11:26,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2025-02-06 14:11:26,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 86 states have internal predecessors, (88), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2025-02-06 14:11:26,952 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 65 [2025-02-06 14:11:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:26,952 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2025-02-06 14:11:26,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-02-06 14:11:26,952 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2025-02-06 14:11:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-02-06 14:11:26,952 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:26,952 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:26,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:27,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:11:27,157 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:27,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:27,158 INFO L85 PathProgramCache]: Analyzing trace with hash -2018373863, now seen corresponding path program 1 times [2025-02-06 14:11:27,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:27,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117542893] [2025-02-06 14:11:27,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:27,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 14:11:27,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 14:11:27,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:27,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:11:27,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117542893] [2025-02-06 14:11:27,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117542893] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:27,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425199150] [2025-02-06 14:11:27,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:27,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:27,246 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:27,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:11:27,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-02-06 14:11:27,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-02-06 14:11:27,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:27,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:27,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:27,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:11:27,313 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-06 14:11:27,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425199150] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:27,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:27,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 14:11:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409184261] [2025-02-06 14:11:27,387 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:27,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:27,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:27,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:27,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:27,388 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:11:27,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:27,416 INFO L93 Difference]: Finished difference Result 138 states and 148 transitions. [2025-02-06 14:11:27,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:27,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 66 [2025-02-06 14:11:27,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:27,417 INFO L225 Difference]: With dead ends: 138 [2025-02-06 14:11:27,417 INFO L226 Difference]: Without dead ends: 137 [2025-02-06 14:11:27,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:27,418 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:27,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 179 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:27,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-02-06 14:11:27,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 131. [2025-02-06 14:11:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 115 states have (on average 1.1217391304347826) internal successors, (129), 120 states have internal predecessors, (129), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:11:27,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2025-02-06 14:11:27,424 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 66 [2025-02-06 14:11:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:27,424 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2025-02-06 14:11:27,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.833333333333332) internal successors, (101), 7 states have internal predecessors, (101), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:11:27,425 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2025-02-06 14:11:27,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-06 14:11:27,425 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:27,425 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:27,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:11:27,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:27,626 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:27,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:27,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1183492364, now seen corresponding path program 2 times [2025-02-06 14:11:27,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:27,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78742260] [2025-02-06 14:11:27,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:27,631 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-02-06 14:11:27,638 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 14:11:27,638 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:27,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:27,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [46102351] [2025-02-06 14:11:27,639 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:27,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:27,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:27,641 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:27,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:11:27,667 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 75 statements into 2 equivalence classes. [2025-02-06 14:11:27,693 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 75 of 75 statements. [2025-02-06 14:11:27,694 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:27,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:27,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:11:27,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:28,071 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:11:28,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:28,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:28,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78742260] [2025-02-06 14:11:28,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:28,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46102351] [2025-02-06 14:11:28,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46102351] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:28,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:28,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:28,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780052088] [2025-02-06 14:11:28,199 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:28,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:28,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:28,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:28,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:28,200 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:28,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:28,352 INFO L93 Difference]: Finished difference Result 143 states and 153 transitions. [2025-02-06 14:11:28,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:11:28,356 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 75 [2025-02-06 14:11:28,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:28,356 INFO L225 Difference]: With dead ends: 143 [2025-02-06 14:11:28,356 INFO L226 Difference]: Without dead ends: 141 [2025-02-06 14:11:28,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:28,357 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 144 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:28,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 149 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:28,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-06 14:11:28,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 131. [2025-02-06 14:11:28,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 115 states have (on average 1.1043478260869566) internal successors, (127), 120 states have internal predecessors, (127), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:11:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 143 transitions. [2025-02-06 14:11:28,363 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 143 transitions. Word has length 75 [2025-02-06 14:11:28,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:28,363 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 143 transitions. [2025-02-06 14:11:28,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.375) internal successors, (59), 9 states have internal predecessors, (59), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:28,364 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2025-02-06 14:11:28,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 14:11:28,364 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:28,364 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:28,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 14:11:28,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:28,565 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:28,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:28,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1584437798, now seen corresponding path program 2 times [2025-02-06 14:11:28,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:28,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030499257] [2025-02-06 14:11:28,566 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:28,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:28,569 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-02-06 14:11:28,575 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:11:28,575 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:28,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:28,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [908605315] [2025-02-06 14:11:28,576 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:28,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:28,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:28,578 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:28,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:11:28,601 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 81 statements into 2 equivalence classes. [2025-02-06 14:11:28,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:11:28,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:28,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:28,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-06 14:11:28,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:29,305 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 14:11:29,305 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:30,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:30,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030499257] [2025-02-06 14:11:30,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:30,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908605315] [2025-02-06 14:11:30,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908605315] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:30,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:30,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-02-06 14:11:30,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716135991] [2025-02-06 14:11:30,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:30,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:11:30,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:30,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:11:30,578 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:11:30,578 INFO L87 Difference]: Start difference. First operand 131 states and 143 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:31,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:31,137 INFO L93 Difference]: Finished difference Result 144 states and 153 transitions. [2025-02-06 14:11:31,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:11:31,137 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 81 [2025-02-06 14:11:31,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:31,138 INFO L225 Difference]: With dead ends: 144 [2025-02-06 14:11:31,138 INFO L226 Difference]: Without dead ends: 133 [2025-02-06 14:11:31,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:11:31,139 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 148 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:31,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 220 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:11:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-02-06 14:11:31,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2025-02-06 14:11:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 115 states have (on average 1.0782608695652174) internal successors, (124), 120 states have internal predecessors, (124), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:11:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2025-02-06 14:11:31,149 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 81 [2025-02-06 14:11:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:31,149 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2025-02-06 14:11:31,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2025-02-06 14:11:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 14:11:31,150 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:31,150 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:31,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:11:31,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:31,355 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:31,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:31,355 INFO L85 PathProgramCache]: Analyzing trace with hash -250206217, now seen corresponding path program 3 times [2025-02-06 14:11:31,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:31,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24463190] [2025-02-06 14:11:31,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:31,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:31,367 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 100 statements into 4 equivalence classes. [2025-02-06 14:11:31,414 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:11:31,414 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 14:11:31,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:31,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125155291] [2025-02-06 14:11:31,421 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:31,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:31,423 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:31,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:11:31,446 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 100 statements into 4 equivalence classes. [2025-02-06 14:11:31,787 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:11:31,787 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 14:11:31,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:31,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-06 14:11:31,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 14:11:32,300 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:32,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:32,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24463190] [2025-02-06 14:11:32,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:32,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125155291] [2025-02-06 14:11:32,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125155291] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:32,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:32,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 14:11:32,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348461747] [2025-02-06 14:11:32,486 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:32,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:11:32,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:32,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:11:32,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:32,487 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand has 11 states, 10 states have (on average 7.9) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:33,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:33,033 INFO L93 Difference]: Finished difference Result 147 states and 153 transitions. [2025-02-06 14:11:33,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:11:33,036 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 100 [2025-02-06 14:11:33,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:33,037 INFO L225 Difference]: With dead ends: 147 [2025-02-06 14:11:33,037 INFO L226 Difference]: Without dead ends: 145 [2025-02-06 14:11:33,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:33,038 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 87 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:33,038 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 215 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:11:33,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-02-06 14:11:33,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 135. [2025-02-06 14:11:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 119 states have (on average 1.0672268907563025) internal successors, (127), 124 states have internal predecessors, (127), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:11:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 143 transitions. [2025-02-06 14:11:33,049 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 143 transitions. Word has length 100 [2025-02-06 14:11:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:33,051 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 143 transitions. [2025-02-06 14:11:33,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 11 states have internal predecessors, (79), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:11:33,052 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2025-02-06 14:11:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-06 14:11:33,052 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:33,052 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:33,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:33,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-06 14:11:33,254 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:11:33,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1791099695, now seen corresponding path program 3 times [2025-02-06 14:11:33,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198088290] [2025-02-06 14:11:33,254 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:33,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:33,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 4 equivalence classes. [2025-02-06 14:11:33,275 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 106 of 106 statements. [2025-02-06 14:11:33,276 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-02-06 14:11:33,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:33,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839237414] [2025-02-06 14:11:33,276 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:33,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:33,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:33,279 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:33,280 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:11:33,302 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 4 equivalence classes. [2025-02-06 14:11:33,334 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 50 of 106 statements. [2025-02-06 14:11:33,334 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 14:11:33,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:33,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:11:33,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 14:12:10,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-02-06 14:12:21,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:21,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198088290] [2025-02-06 14:12:21,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:21,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839237414] [2025-02-06 14:12:21,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839237414] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:21,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:21,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [16] total 25 [2025-02-06 14:12:21,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586943949] [2025-02-06 14:12:21,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:12:21,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:12:21,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:21,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:12:21,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=500, Unknown=2, NotChecked=0, Total=650 [2025-02-06 14:12:21,547 INFO L87 Difference]: Start difference. First operand 135 states and 143 transitions. Second operand has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:12:22,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:22,914 INFO L93 Difference]: Finished difference Result 135 states and 143 transitions. [2025-02-06 14:12:22,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:12:22,914 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 106 [2025-02-06 14:12:22,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:22,915 INFO L225 Difference]: With dead ends: 135 [2025-02-06 14:12:22,915 INFO L226 Difference]: Without dead ends: 125 [2025-02-06 14:12:22,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 43.5s TimeCoverageRelationStatistics Valid=168, Invalid=586, Unknown=2, NotChecked=0, Total=756 [2025-02-06 14:12:22,916 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 61 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:22,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 149 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 14:12:22,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2025-02-06 14:12:22,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2025-02-06 14:12:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 111 states have (on average 1.0360360360360361) internal successors, (115), 114 states have internal predecessors, (115), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:12:22,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 131 transitions. [2025-02-06 14:12:22,923 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 131 transitions. Word has length 106 [2025-02-06 14:12:22,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:22,923 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 131 transitions. [2025-02-06 14:12:22,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.909090909090909) internal successors, (54), 12 states have internal predecessors, (54), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:12:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 131 transitions. [2025-02-06 14:12:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 14:12:22,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:22,924 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:22,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 14:12:23,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-02-06 14:12:23,126 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:12:23,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:23,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1454288755, now seen corresponding path program 1 times [2025-02-06 14:12:23,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:23,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093860489] [2025-02-06 14:12:23,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:23,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:23,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 14:12:23,157 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 14:12:23,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:23,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:23,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021089639] [2025-02-06 14:12:23,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:12:23,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:23,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:23,166 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:23,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:12:23,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 14:12:23,215 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 14:12:23,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:12:23,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:23,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:12:23,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:23,984 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 14:12:23,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:24,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:24,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093860489] [2025-02-06 14:12:24,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:24,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021089639] [2025-02-06 14:12:24,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021089639] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:24,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:24,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:12:24,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691512051] [2025-02-06 14:12:24,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:24,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:12:24,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:24,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:12:24,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:12:24,230 INFO L87 Difference]: Start difference. First operand 125 states and 131 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:12:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:12:24,555 INFO L93 Difference]: Finished difference Result 128 states and 134 transitions. [2025-02-06 14:12:24,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:12:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) Word has length 122 [2025-02-06 14:12:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:12:24,556 INFO L225 Difference]: With dead ends: 128 [2025-02-06 14:12:24,556 INFO L226 Difference]: Without dead ends: 127 [2025-02-06 14:12:24,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:12:24,557 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 22 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:12:24,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 113 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:12:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-06 14:12:24,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2025-02-06 14:12:24,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 113 states have (on average 1.0353982300884956) internal successors, (117), 116 states have internal predecessors, (117), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:12:24,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 133 transitions. [2025-02-06 14:12:24,565 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 133 transitions. Word has length 122 [2025-02-06 14:12:24,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:12:24,565 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 133 transitions. [2025-02-06 14:12:24,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:12:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 133 transitions. [2025-02-06 14:12:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 14:12:24,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:12:24,565 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:12:24,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 14:12:24,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-06 14:12:24,767 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-02-06 14:12:24,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:12:24,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1381218156, now seen corresponding path program 4 times [2025-02-06 14:12:24,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:12:24,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116557893] [2025-02-06 14:12:24,767 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:12:24,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:12:24,780 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 125 statements into 2 equivalence classes. [2025-02-06 14:12:24,809 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 14:12:24,820 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:12:24,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:12:24,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [700800301] [2025-02-06 14:12:24,823 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:12:24,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:12:24,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:12:24,831 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:12:24,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:12:24,863 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 125 statements into 2 equivalence classes. [2025-02-06 14:12:25,149 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 14:12:25,149 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:12:25,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:12:25,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-02-06 14:12:25,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:28,811 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 3 proven. 150 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2025-02-06 14:12:28,814 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:29,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:29,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116557893] [2025-02-06 14:12:29,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:29,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700800301] [2025-02-06 14:12:29,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700800301] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:29,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:29,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-06 14:12:29,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297284346] [2025-02-06 14:12:29,092 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:29,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:12:29,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:29,093 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:12:29,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:12:29,093 INFO L87 Difference]: Start difference. First operand 127 states and 133 transitions. Second operand has 16 states, 15 states have (on average 6.8) internal successors, (102), 16 states have internal predecessors, (102), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:12:38,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:12:42,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:12:43,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:12:47,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-06 14:12:49,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]