./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.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/egcd-ll_valuebound2.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 e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:56:11,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:56:11,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:56:11,621 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:56:11,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:56:11,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:56:11,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:56:11,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:56:11,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:56:11,646 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:56:11,646 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:56:11,646 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:56:11,646 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:56:11,646 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:56:11,646 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:56:11,647 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:56:11,647 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:56:11,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:56:11,649 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:56:11,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:56:11,649 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:56:11,649 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:56:11,650 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:56:11,650 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:56:11,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:56:11,651 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:56:11,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:56:11,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:56:11,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:56:11,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:56:11,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:56:11,651 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 -> e89b4ab54b22145b4041cfb458aca993f2d791ac86940dcd03d48a90a5273393 [2025-02-06 13:56:11,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:56:11,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:56:11,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:56:11,970 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:56:11,970 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:56:11,971 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2025-02-06 13:56:13,572 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0652a4ad5/44127931f64f44808e20afbfd023bed0/FLAG9759512cf [2025-02-06 13:56:13,896 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:56:13,896 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound2.c [2025-02-06 13:56:13,905 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0652a4ad5/44127931f64f44808e20afbfd023bed0/FLAG9759512cf [2025-02-06 13:56:13,927 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0652a4ad5/44127931f64f44808e20afbfd023bed0 [2025-02-06 13:56:13,929 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:56:13,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:56:13,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:56:13,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:56:13,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:56:13,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:56:13" (1/1) ... [2025-02-06 13:56:13,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e9724e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:13, skipping insertion in model container [2025-02-06 13:56:13,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:56:13" (1/1) ... [2025-02-06 13:56:13,951 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:56:14,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:56:14,137 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:56:14,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:56:14,181 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:56:14,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14 WrapperNode [2025-02-06 13:56:14,181 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:56:14,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:56:14,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:56:14,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:56:14,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,218 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2025-02-06 13:56:14,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:56:14,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:56:14,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:56:14,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:56:14,227 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,230 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,252 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 13:56:14,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,265 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:56:14,270 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:56:14,270 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:56:14,270 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:56:14,272 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (1/1) ... [2025-02-06 13:56:14,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:56:14,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:14,317 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 13:56:14,321 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 13:56:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:56:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 13:56:14,345 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 13:56:14,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:56:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:56:14,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:56:14,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:56:14,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:56:14,397 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:56:14,399 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:56:15,066 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2025-02-06 13:56:15,066 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:56:15,088 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:56:15,088 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:56:15,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:56:15 BoogieIcfgContainer [2025-02-06 13:56:15,093 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:56:15,100 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:56:15,100 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:56:15,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:56:15,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:56:13" (1/3) ... [2025-02-06 13:56:15,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538d16d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:56:15, skipping insertion in model container [2025-02-06 13:56:15,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:56:14" (2/3) ... [2025-02-06 13:56:15,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@538d16d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:56:15, skipping insertion in model container [2025-02-06 13:56:15,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:56:15" (3/3) ... [2025-02-06 13:56:15,109 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd-ll_valuebound2.c [2025-02-06 13:56:15,127 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:56:15,129 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd-ll_valuebound2.c that has 3 procedures, 144 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2025-02-06 13:56:15,196 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:56:15,206 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;@4a3e64fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:56:15,207 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-06 13:56:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 130 states have internal predecessors, (135), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:56:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 13:56:15,218 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:15,218 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:15,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:15,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:15,224 INFO L85 PathProgramCache]: Analyzing trace with hash 490472841, now seen corresponding path program 1 times [2025-02-06 13:56:15,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:15,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178976105] [2025-02-06 13:56:15,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:15,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:15,291 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:56:15,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:56:15,304 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:15,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 13:56:15,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:15,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178976105] [2025-02-06 13:56:15,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178976105] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:15,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992530810] [2025-02-06 13:56:15,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:15,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:15,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:15,368 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 13:56:15,371 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 13:56:15,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:56:15,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:56:15,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:15,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:15,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 13:56:15,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:15,453 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 13:56:15,454 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:15,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992530810] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:15,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:15,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 13:56:15,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672831490] [2025-02-06 13:56:15,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:15,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:56:15,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:15,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:56:15,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:56:15,482 INFO L87 Difference]: Start difference. First operand has 144 states, 74 states have (on average 1.8243243243243243) internal successors, (135), 130 states have internal predecessors, (135), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:56:15,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:15,514 INFO L93 Difference]: Finished difference Result 284 states and 320 transitions. [2025-02-06 13:56:15,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:56:15,516 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2025-02-06 13:56:15,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:15,524 INFO L225 Difference]: With dead ends: 284 [2025-02-06 13:56:15,525 INFO L226 Difference]: Without dead ends: 137 [2025-02-06 13:56:15,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 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 13:56:15,534 INFO L435 NwaCegarLoop]: 153 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, 153 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 13:56:15,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:56:15,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-02-06 13:56:15,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2025-02-06 13:56:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 69 states have (on average 1.826086956521739) internal successors, (126), 124 states have internal predecessors, (126), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:56:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 146 transitions. [2025-02-06 13:56:15,617 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 146 transitions. Word has length 26 [2025-02-06 13:56:15,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:15,619 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 146 transitions. [2025-02-06 13:56:15,619 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:56:15,619 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 146 transitions. [2025-02-06 13:56:15,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 13:56:15,621 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:15,621 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:15,630 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 13:56:15,826 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 13:56:15,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:15,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:15,827 INFO L85 PathProgramCache]: Analyzing trace with hash 468527463, now seen corresponding path program 1 times [2025-02-06 13:56:15,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:15,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039794048] [2025-02-06 13:56:15,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:15,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:56:15,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:56:15,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:15,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:15,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907848187] [2025-02-06 13:56:15,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:15,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:15,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:15,881 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 13:56:15,883 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 13:56:15,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:56:15,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:56:15,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:15,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:15,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:56:15,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:15,982 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:15,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:15,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039794048] [2025-02-06 13:56:15,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:15,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907848187] [2025-02-06 13:56:15,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907848187] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:15,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:15,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:15,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992021642] [2025-02-06 13:56:15,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:15,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:15,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:15,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:15,988 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:15,988 INFO L87 Difference]: Start difference. First operand 137 states and 146 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:56:16,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:16,353 INFO L93 Difference]: Finished difference Result 222 states and 270 transitions. [2025-02-06 13:56:16,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:16,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-02-06 13:56:16,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:16,356 INFO L225 Difference]: With dead ends: 222 [2025-02-06 13:56:16,356 INFO L226 Difference]: Without dead ends: 218 [2025-02-06 13:56:16,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 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 13:56:16,360 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 73 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:16,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 148 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2025-02-06 13:56:16,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 176. [2025-02-06 13:56:16,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 103 states have (on average 1.8349514563106797) internal successors, (189), 158 states have internal predecessors, (189), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:56:16,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 219 transitions. [2025-02-06 13:56:16,386 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 219 transitions. Word has length 26 [2025-02-06 13:56:16,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:16,387 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 219 transitions. [2025-02-06 13:56:16,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:56:16,387 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 219 transitions. [2025-02-06 13:56:16,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:56:16,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:16,388 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:16,394 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 13:56:16,588 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 13:56:16,589 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:16,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:16,589 INFO L85 PathProgramCache]: Analyzing trace with hash -716671195, now seen corresponding path program 1 times [2025-02-06 13:56:16,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:16,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357586085] [2025-02-06 13:56:16,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:16,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:16,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:56:16,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:56:16,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:16,645 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:16,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [936078332] [2025-02-06 13:56:16,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:16,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:16,652 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 13:56:16,654 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 13:56:16,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:56:16,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:56:16,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:16,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:16,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:56:16,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:16,738 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:16,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:16,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357586085] [2025-02-06 13:56:16,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:16,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936078332] [2025-02-06 13:56:16,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936078332] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:16,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:16,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:16,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887825959] [2025-02-06 13:56:16,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:16,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:16,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:16,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:16,740 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:16,740 INFO L87 Difference]: Start difference. First operand 176 states and 219 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:56:16,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:16,952 INFO L93 Difference]: Finished difference Result 277 states and 343 transitions. [2025-02-06 13:56:16,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:16,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-02-06 13:56:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:16,955 INFO L225 Difference]: With dead ends: 277 [2025-02-06 13:56:16,955 INFO L226 Difference]: Without dead ends: 269 [2025-02-06 13:56:16,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 13:56:16,958 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 84 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:16,959 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 206 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:56:16,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-02-06 13:56:16,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 229. [2025-02-06 13:56:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 150 states have (on average 1.7866666666666666) internal successors, (268), 205 states have internal predecessors, (268), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:56:16,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 310 transitions. [2025-02-06 13:56:16,988 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 310 transitions. Word has length 28 [2025-02-06 13:56:16,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:16,988 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 310 transitions. [2025-02-06 13:56:16,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:56:16,989 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 310 transitions. [2025-02-06 13:56:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:56:16,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:16,991 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:16,997 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 13:56:17,191 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 13:56:17,193 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:17,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1526248221, now seen corresponding path program 1 times [2025-02-06 13:56:17,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:17,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838899165] [2025-02-06 13:56:17,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:17,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:56:17,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:56:17,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:17,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:17,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060262173] [2025-02-06 13:56:17,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:17,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:17,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:17,260 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 13:56:17,262 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 13:56:17,293 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:56:17,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:56:17,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:17,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:17,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:56:17,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:17,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:17,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:17,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:17,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838899165] [2025-02-06 13:56:17,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:17,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060262173] [2025-02-06 13:56:17,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060262173] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:17,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:17,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:17,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984371005] [2025-02-06 13:56:17,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:17,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:17,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:17,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:17,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:17,387 INFO L87 Difference]: Start difference. First operand 229 states and 310 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:56:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:17,705 INFO L93 Difference]: Finished difference Result 263 states and 329 transitions. [2025-02-06 13:56:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-02-06 13:56:17,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:17,708 INFO L225 Difference]: With dead ends: 263 [2025-02-06 13:56:17,708 INFO L226 Difference]: Without dead ends: 249 [2025-02-06 13:56:17,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 13:56:17,709 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 61 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:17,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 134 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:17,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2025-02-06 13:56:17,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 194. [2025-02-06 13:56:17,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 120 states have (on average 1.7083333333333333) internal successors, (205), 175 states have internal predecessors, (205), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-06 13:56:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 237 transitions. [2025-02-06 13:56:17,741 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 237 transitions. Word has length 30 [2025-02-06 13:56:17,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:17,742 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 237 transitions. [2025-02-06 13:56:17,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-06 13:56:17,742 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2025-02-06 13:56:17,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 13:56:17,743 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:17,743 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 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 13:56:17,751 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:56:17,943 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 13:56:17,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:17,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:17,945 INFO L85 PathProgramCache]: Analyzing trace with hash 692894708, now seen corresponding path program 1 times [2025-02-06 13:56:17,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:17,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896731402] [2025-02-06 13:56:17,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:17,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:17,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:56:18,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:56:18,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:18,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:18,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [356258528] [2025-02-06 13:56:18,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:18,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:18,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:18,005 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 13:56:18,007 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 13:56:18,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:56:18,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:56:18,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:18,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:18,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:56:18,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:18,165 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:18,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:18,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896731402] [2025-02-06 13:56:18,165 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:18,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356258528] [2025-02-06 13:56:18,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356258528] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:18,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:18,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:18,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800446447] [2025-02-06 13:56:18,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:18,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:18,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:18,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:18,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:18,169 INFO L87 Difference]: Start difference. First operand 194 states and 237 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:18,469 INFO L93 Difference]: Finished difference Result 356 states and 456 transitions. [2025-02-06 13:56:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:18,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 37 [2025-02-06 13:56:18,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:18,471 INFO L225 Difference]: With dead ends: 356 [2025-02-06 13:56:18,471 INFO L226 Difference]: Without dead ends: 348 [2025-02-06 13:56:18,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 13:56:18,474 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:18,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 202 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:18,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-02-06 13:56:18,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 273. [2025-02-06 13:56:18,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6894736842105262) internal successors, (321), 245 states have internal predecessors, (321), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 371 transitions. [2025-02-06 13:56:18,516 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 371 transitions. Word has length 37 [2025-02-06 13:56:18,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:18,516 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 371 transitions. [2025-02-06 13:56:18,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 371 transitions. [2025-02-06 13:56:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 13:56:18,517 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:18,517 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 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 13:56:18,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:56:18,718 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 13:56:18,718 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:18,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:18,719 INFO L85 PathProgramCache]: Analyzing trace with hash 151886034, now seen corresponding path program 1 times [2025-02-06 13:56:18,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:18,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427654813] [2025-02-06 13:56:18,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:18,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:18,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:56:18,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:56:18,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:18,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:18,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2055188293] [2025-02-06 13:56:18,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:18,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:18,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:18,746 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 13:56:18,779 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 13:56:18,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:56:18,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:56:18,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:18,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:18,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:18,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:18,951 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:18,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:18,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427654813] [2025-02-06 13:56:18,951 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:18,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2055188293] [2025-02-06 13:56:18,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2055188293] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:18,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:18,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:18,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456252925] [2025-02-06 13:56:18,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:18,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:18,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:18,952 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:18,952 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:18,952 INFO L87 Difference]: Start difference. First operand 273 states and 371 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:19,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:19,250 INFO L93 Difference]: Finished difference Result 326 states and 436 transitions. [2025-02-06 13:56:19,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:19,251 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2025-02-06 13:56:19,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:19,253 INFO L225 Difference]: With dead ends: 326 [2025-02-06 13:56:19,253 INFO L226 Difference]: Without dead ends: 324 [2025-02-06 13:56:19,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:19,254 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 171 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:19,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:19,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-06 13:56:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2025-02-06 13:56:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.668421052631579) internal successors, (317), 245 states have internal predecessors, (317), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 367 transitions. [2025-02-06 13:56:19,275 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 367 transitions. Word has length 39 [2025-02-06 13:56:19,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:19,278 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 367 transitions. [2025-02-06 13:56:19,278 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), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:19,278 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 367 transitions. [2025-02-06 13:56:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 13:56:19,281 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:19,281 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 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 13:56:19,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:56:19,481 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 13:56:19,482 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:19,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:19,482 INFO L85 PathProgramCache]: Analyzing trace with hash 413499833, now seen corresponding path program 1 times [2025-02-06 13:56:19,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:19,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225650107] [2025-02-06 13:56:19,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:19,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:19,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:56:19,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:56:19,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:19,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:19,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170237715] [2025-02-06 13:56:19,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:19,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:19,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:19,538 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 13:56:19,540 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 13:56:19,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:56:19,588 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:56:19,588 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:19,589 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:19,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:19,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:19,703 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:19,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:19,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225650107] [2025-02-06 13:56:19,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:19,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170237715] [2025-02-06 13:56:19,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170237715] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:19,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:19,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:19,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237149148] [2025-02-06 13:56:19,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:19,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:19,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:19,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:19,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:19,704 INFO L87 Difference]: Start difference. First operand 273 states and 367 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:20,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:20,028 INFO L93 Difference]: Finished difference Result 326 states and 432 transitions. [2025-02-06 13:56:20,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:20,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2025-02-06 13:56:20,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:20,031 INFO L225 Difference]: With dead ends: 326 [2025-02-06 13:56:20,031 INFO L226 Difference]: Without dead ends: 324 [2025-02-06 13:56:20,031 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:20,032 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 170 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:20,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 162 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:20,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-06 13:56:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 273. [2025-02-06 13:56:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 190 states have (on average 1.6473684210526316) internal successors, (313), 245 states have internal predecessors, (313), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:20,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 363 transitions. [2025-02-06 13:56:20,048 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 363 transitions. Word has length 40 [2025-02-06 13:56:20,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:20,048 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 363 transitions. [2025-02-06 13:56:20,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 363 transitions. [2025-02-06 13:56:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:56:20,049 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:20,049 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 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 13:56:20,057 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 13:56:20,254 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 13:56:20,254 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:20,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:20,255 INFO L85 PathProgramCache]: Analyzing trace with hash -66406992, now seen corresponding path program 1 times [2025-02-06 13:56:20,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:20,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795818723] [2025-02-06 13:56:20,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:20,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:20,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:56:20,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:56:20,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:20,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1151605349] [2025-02-06 13:56:20,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:20,295 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 13:56:20,300 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 13:56:20,330 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:56:20,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:56:20,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:20,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:20,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:20,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:20,392 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:20,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:20,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795818723] [2025-02-06 13:56:20,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:20,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151605349] [2025-02-06 13:56:20,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151605349] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:20,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:20,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:20,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104490903] [2025-02-06 13:56:20,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:20,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:20,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:20,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:20,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:20,395 INFO L87 Difference]: Start difference. First operand 273 states and 363 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:20,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:20,954 INFO L93 Difference]: Finished difference Result 346 states and 436 transitions. [2025-02-06 13:56:20,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:20,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2025-02-06 13:56:20,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:20,957 INFO L225 Difference]: With dead ends: 346 [2025-02-06 13:56:20,957 INFO L226 Difference]: Without dead ends: 344 [2025-02-06 13:56:20,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:20,960 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 141 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:20,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 173 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:56:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-06 13:56:20,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 274. [2025-02-06 13:56:20,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.6282722513089005) internal successors, (311), 246 states have internal predecessors, (311), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 361 transitions. [2025-02-06 13:56:20,983 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 361 transitions. Word has length 41 [2025-02-06 13:56:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:20,984 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 361 transitions. [2025-02-06 13:56:20,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 361 transitions. [2025-02-06 13:56:20,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 13:56:20,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:20,987 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 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 13:56:20,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:21,189 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 13:56:21,190 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:21,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:21,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2058616681, now seen corresponding path program 1 times [2025-02-06 13:56:21,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:21,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212380389] [2025-02-06 13:56:21,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:21,206 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:56:21,277 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:56:21,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:21,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:21,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1619207137] [2025-02-06 13:56:21,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:21,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:21,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:21,284 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 13:56:21,288 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 13:56:21,311 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 13:56:21,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 13:56:21,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:21,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:21,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:21,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 13:56:21,397 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:21,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:21,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212380389] [2025-02-06 13:56:21,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:21,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619207137] [2025-02-06 13:56:21,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619207137] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:21,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:21,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:21,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076455803] [2025-02-06 13:56:21,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:21,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:21,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:21,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:21,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:21,399 INFO L87 Difference]: Start difference. First operand 274 states and 361 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:21,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:21,879 INFO L93 Difference]: Finished difference Result 346 states and 432 transitions. [2025-02-06 13:56:21,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:21,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2025-02-06 13:56:21,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:21,883 INFO L225 Difference]: With dead ends: 346 [2025-02-06 13:56:21,886 INFO L226 Difference]: Without dead ends: 344 [2025-02-06 13:56:21,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:21,888 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 140 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:21,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 176 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:56:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-06 13:56:21,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 275. [2025-02-06 13:56:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 192 states have (on average 1.609375) internal successors, (309), 247 states have internal predecessors, (309), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 359 transitions. [2025-02-06 13:56:21,919 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 359 transitions. Word has length 42 [2025-02-06 13:56:21,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:21,919 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 359 transitions. [2025-02-06 13:56:21,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-06 13:56:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 359 transitions. [2025-02-06 13:56:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 13:56:21,920 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:21,920 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 13:56:21,928 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 13:56:22,121 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 13:56:22,121 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:22,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:22,122 INFO L85 PathProgramCache]: Analyzing trace with hash 49393327, now seen corresponding path program 1 times [2025-02-06 13:56:22,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:22,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790167626] [2025-02-06 13:56:22,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:22,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:22,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 13:56:22,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 13:56:22,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:22,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:22,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1553758668] [2025-02-06 13:56:22,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:22,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:22,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:22,154 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 13:56:22,157 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 13:56:22,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 13:56:22,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 13:56:22,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:22,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:22,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:22,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 13:56:22,296 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:22,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:22,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790167626] [2025-02-06 13:56:22,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:22,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553758668] [2025-02-06 13:56:22,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553758668] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:22,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:22,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:22,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483724441] [2025-02-06 13:56:22,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:22,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:22,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:22,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:22,298 INFO L87 Difference]: Start difference. First operand 275 states and 359 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:56:22,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:22,510 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2025-02-06 13:56:22,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:22,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 50 [2025-02-06 13:56:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:22,513 INFO L225 Difference]: With dead ends: 297 [2025-02-06 13:56:22,513 INFO L226 Difference]: Without dead ends: 295 [2025-02-06 13:56:22,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:22,514 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 209 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:22,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 155 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:56:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-02-06 13:56:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 276. [2025-02-06 13:56:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 193 states have (on average 1.5958549222797926) internal successors, (308), 248 states have internal predecessors, (308), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 358 transitions. [2025-02-06 13:56:22,529 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 358 transitions. Word has length 50 [2025-02-06 13:56:22,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:22,529 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 358 transitions. [2025-02-06 13:56:22,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:56:22,529 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 358 transitions. [2025-02-06 13:56:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-06 13:56:22,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:22,548 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 13:56:22,557 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 13:56:22,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-06 13:56:22,750 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:22,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:22,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1531193199, now seen corresponding path program 1 times [2025-02-06 13:56:22,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:22,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764771727] [2025-02-06 13:56:22,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:22,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:22,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:56:22,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:56:22,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:22,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:22,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [3578991] [2025-02-06 13:56:22,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:22,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:22,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:22,797 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 13:56:22,799 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 13:56:22,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-06 13:56:22,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-06 13:56:22,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:22,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:22,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:22,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:22,931 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 13:56:22,931 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:22,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764771727] [2025-02-06 13:56:22,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:22,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3578991] [2025-02-06 13:56:22,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3578991] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:22,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:22,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:22,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821248016] [2025-02-06 13:56:22,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:22,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:22,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:22,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:22,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:22,932 INFO L87 Difference]: Start difference. First operand 276 states and 358 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:56:23,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:23,203 INFO L93 Difference]: Finished difference Result 297 states and 375 transitions. [2025-02-06 13:56:23,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:23,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 51 [2025-02-06 13:56:23,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:23,205 INFO L225 Difference]: With dead ends: 297 [2025-02-06 13:56:23,205 INFO L226 Difference]: Without dead ends: 295 [2025-02-06 13:56:23,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:23,206 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 154 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:23,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 173 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:56:23,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2025-02-06 13:56:23,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 277. [2025-02-06 13:56:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 194 states have (on average 1.5824742268041236) internal successors, (307), 249 states have internal predecessors, (307), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:23,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 357 transitions. [2025-02-06 13:56:23,220 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 357 transitions. Word has length 51 [2025-02-06 13:56:23,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:23,220 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 357 transitions. [2025-02-06 13:56:23,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:56:23,220 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 357 transitions. [2025-02-06 13:56:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:56:23,221 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:23,221 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-02-06 13:56:23,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:23,421 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,SelfDestructingSolverStorable10 [2025-02-06 13:56:23,422 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:23,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:23,427 INFO L85 PathProgramCache]: Analyzing trace with hash 222348973, now seen corresponding path program 1 times [2025-02-06 13:56:23,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:23,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255685568] [2025-02-06 13:56:23,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:23,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:23,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:56:23,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:56:23,466 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:23,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:23,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [647208507] [2025-02-06 13:56:23,468 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:23,476 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 13:56:23,478 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 13:56:23,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:56:23,517 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:56:23,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:23,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:23,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:23,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 13:56:23,576 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:23,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255685568] [2025-02-06 13:56:23,576 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [647208507] [2025-02-06 13:56:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [647208507] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:23,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:23,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:23,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061569434] [2025-02-06 13:56:23,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:23,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:23,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:23,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:23,578 INFO L87 Difference]: Start difference. First operand 277 states and 357 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:56:23,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:23,864 INFO L93 Difference]: Finished difference Result 305 states and 364 transitions. [2025-02-06 13:56:23,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:23,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2025-02-06 13:56:23,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:23,866 INFO L225 Difference]: With dead ends: 305 [2025-02-06 13:56:23,866 INFO L226 Difference]: Without dead ends: 303 [2025-02-06 13:56:23,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:23,867 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 127 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:23,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 203 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:23,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-06 13:56:23,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 278. [2025-02-06 13:56:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 195 states have (on average 1.5692307692307692) internal successors, (306), 250 states have internal predecessors, (306), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 356 transitions. [2025-02-06 13:56:23,887 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 356 transitions. Word has length 52 [2025-02-06 13:56:23,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:23,887 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 356 transitions. [2025-02-06 13:56:23,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:56:23,887 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 356 transitions. [2025-02-06 13:56:23,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-02-06 13:56:23,888 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:23,888 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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 13:56:23,902 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 13:56:24,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:24,093 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:24,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:24,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1697116371, now seen corresponding path program 1 times [2025-02-06 13:56:24,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:24,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191502689] [2025-02-06 13:56:24,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:24,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:24,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 13:56:24,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:56:24,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:24,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:24,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405123723] [2025-02-06 13:56:24,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:24,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:24,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:24,110 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 13:56:24,120 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 13:56:24,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-02-06 13:56:24,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-02-06 13:56:24,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:24,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:24,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:24,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 13:56:24,295 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:24,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:24,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191502689] [2025-02-06 13:56:24,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:24,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405123723] [2025-02-06 13:56:24,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405123723] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:24,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:24,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:24,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286509339] [2025-02-06 13:56:24,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:24,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:24,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:24,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:24,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:24,297 INFO L87 Difference]: Start difference. First operand 278 states and 356 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:56:24,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:24,795 INFO L93 Difference]: Finished difference Result 305 states and 361 transitions. [2025-02-06 13:56:24,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:24,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 53 [2025-02-06 13:56:24,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:24,797 INFO L225 Difference]: With dead ends: 305 [2025-02-06 13:56:24,797 INFO L226 Difference]: Without dead ends: 303 [2025-02-06 13:56:24,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:24,798 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 126 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:24,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 206 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:56:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-06 13:56:24,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 279. [2025-02-06 13:56:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 196 states have (on average 1.5561224489795917) internal successors, (305), 251 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 355 transitions. [2025-02-06 13:56:24,815 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 355 transitions. Word has length 53 [2025-02-06 13:56:24,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:24,815 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 355 transitions. [2025-02-06 13:56:24,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 13:56:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 355 transitions. [2025-02-06 13:56:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 13:56:24,816 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:24,816 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:24,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:25,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:25,020 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:25,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:25,021 INFO L85 PathProgramCache]: Analyzing trace with hash 360924317, now seen corresponding path program 1 times [2025-02-06 13:56:25,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:25,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147123067] [2025-02-06 13:56:25,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:25,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:25,030 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 13:56:25,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 13:56:25,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:25,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:25,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:25,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147123067] [2025-02-06 13:56:25,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147123067] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:25,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:25,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:25,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090131652] [2025-02-06 13:56:25,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:25,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:25,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:25,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:25,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:25,148 INFO L87 Difference]: Start difference. First operand 279 states and 355 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-06 13:56:25,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:25,187 INFO L93 Difference]: Finished difference Result 279 states and 355 transitions. [2025-02-06 13:56:25,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:25,187 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60 [2025-02-06 13:56:25,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:25,189 INFO L225 Difference]: With dead ends: 279 [2025-02-06 13:56:25,189 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 13:56:25,189 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 13:56:25,189 INFO L435 NwaCegarLoop]: 131 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:25,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:56:25,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 13:56:25,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2025-02-06 13:56:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 196 states have (on average 1.5255102040816326) internal successors, (299), 249 states have internal predecessors, (299), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 349 transitions. [2025-02-06 13:56:25,202 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 349 transitions. Word has length 60 [2025-02-06 13:56:25,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:25,202 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 349 transitions. [2025-02-06 13:56:25,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-06 13:56:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 349 transitions. [2025-02-06 13:56:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-02-06 13:56:25,203 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:25,203 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:25,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 13:56:25,204 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:25,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:25,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1696248036, now seen corresponding path program 1 times [2025-02-06 13:56:25,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:25,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162254210] [2025-02-06 13:56:25,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:25,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:25,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-02-06 13:56:25,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-02-06 13:56:25,215 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:25,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:25,277 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:25,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:25,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162254210] [2025-02-06 13:56:25,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162254210] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:25,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:25,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:25,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817220887] [2025-02-06 13:56:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:25,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:25,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:25,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:25,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:25,279 INFO L87 Difference]: Start difference. First operand 277 states and 349 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-06 13:56:25,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:25,327 INFO L93 Difference]: Finished difference Result 277 states and 349 transitions. [2025-02-06 13:56:25,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:25,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61 [2025-02-06 13:56:25,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:25,329 INFO L225 Difference]: With dead ends: 277 [2025-02-06 13:56:25,329 INFO L226 Difference]: Without dead ends: 275 [2025-02-06 13:56:25,329 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 13:56:25,330 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 45 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:25,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 208 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:56:25,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2025-02-06 13:56:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2025-02-06 13:56:25,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 196 states have (on average 1.4846938775510203) internal successors, (291), 247 states have internal predecessors, (291), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:25,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 341 transitions. [2025-02-06 13:56:25,342 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 341 transitions. Word has length 61 [2025-02-06 13:56:25,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:25,343 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 341 transitions. [2025-02-06 13:56:25,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2025-02-06 13:56:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 341 transitions. [2025-02-06 13:56:25,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 13:56:25,343 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:25,344 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:25,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 13:56:25,344 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:25,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:25,344 INFO L85 PathProgramCache]: Analyzing trace with hash -1044026316, now seen corresponding path program 1 times [2025-02-06 13:56:25,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:25,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759512620] [2025-02-06 13:56:25,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:25,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:25,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:56:25,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:56:25,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:25,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:25,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:25,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759512620] [2025-02-06 13:56:25,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759512620] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:25,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:25,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:56:25,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096278643] [2025-02-06 13:56:25,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:25,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:56:25,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:25,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:56:25,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:56:25,500 INFO L87 Difference]: Start difference. First operand 275 states and 341 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 13:56:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:25,782 INFO L93 Difference]: Finished difference Result 278 states and 344 transitions. [2025-02-06 13:56:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:56:25,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2025-02-06 13:56:25,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:25,785 INFO L225 Difference]: With dead ends: 278 [2025-02-06 13:56:25,785 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 13:56:25,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:56:25,786 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:25,786 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:56:25,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 13:56:25,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2025-02-06 13:56:25,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.47979797979798) internal successors, (293), 249 states have internal predecessors, (293), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:25,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 343 transitions. [2025-02-06 13:56:25,802 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 343 transitions. Word has length 62 [2025-02-06 13:56:25,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:25,802 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 343 transitions. [2025-02-06 13:56:25,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 13:56:25,802 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 343 transitions. [2025-02-06 13:56:25,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-06 13:56:25,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:25,803 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:25,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 13:56:25,803 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:25,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:25,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1044024971, now seen corresponding path program 1 times [2025-02-06 13:56:25,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:25,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599387187] [2025-02-06 13:56:25,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:25,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:25,809 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-06 13:56:25,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-06 13:56:25,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:25,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:25,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:25,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599387187] [2025-02-06 13:56:25,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599387187] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:25,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:25,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:56:25,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833436132] [2025-02-06 13:56:25,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:25,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:56:25,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:25,925 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:56:25,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:56:25,925 INFO L87 Difference]: Start difference. First operand 277 states and 343 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 13:56:26,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:26,366 INFO L93 Difference]: Finished difference Result 278 states and 343 transitions. [2025-02-06 13:56:26,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:56:26,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 62 [2025-02-06 13:56:26,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:26,368 INFO L225 Difference]: With dead ends: 278 [2025-02-06 13:56:26,368 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 13:56:26,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:56:26,369 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 277 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:26,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 163 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:56:26,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 13:56:26,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2025-02-06 13:56:26,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 198 states have (on average 1.4747474747474747) internal successors, (292), 249 states have internal predecessors, (292), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 342 transitions. [2025-02-06 13:56:26,386 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 342 transitions. Word has length 62 [2025-02-06 13:56:26,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:26,386 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 342 transitions. [2025-02-06 13:56:26,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-06 13:56:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 342 transitions. [2025-02-06 13:56:26,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 13:56:26,387 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:26,387 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:26,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 13:56:26,388 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:26,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:26,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1565212365, now seen corresponding path program 1 times [2025-02-06 13:56:26,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:26,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794130961] [2025-02-06 13:56:26,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:26,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:26,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-06 13:56:26,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 13:56:26,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:26,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:26,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:26,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794130961] [2025-02-06 13:56:26,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794130961] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:26,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:26,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:56:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675018898] [2025-02-06 13:56:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:26,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:56:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:26,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:56:26,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:56:26,535 INFO L87 Difference]: Start difference. First operand 277 states and 342 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:26,738 INFO L93 Difference]: Finished difference Result 334 states and 410 transitions. [2025-02-06 13:56:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:26,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 65 [2025-02-06 13:56:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:26,740 INFO L225 Difference]: With dead ends: 334 [2025-02-06 13:56:26,740 INFO L226 Difference]: Without dead ends: 330 [2025-02-06 13:56:26,741 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 13:56:26,741 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 43 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:26,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 150 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:56:26,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-02-06 13:56:26,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 287. [2025-02-06 13:56:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 208 states have (on average 1.4567307692307692) internal successors, (303), 259 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 353 transitions. [2025-02-06 13:56:26,757 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 353 transitions. Word has length 65 [2025-02-06 13:56:26,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:26,758 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 353 transitions. [2025-02-06 13:56:26,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 353 transitions. [2025-02-06 13:56:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 13:56:26,758 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:26,759 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:26,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-06 13:56:26,759 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:26,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:26,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1171792273, now seen corresponding path program 1 times [2025-02-06 13:56:26,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:26,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62940016] [2025-02-06 13:56:26,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:26,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 13:56:26,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 13:56:26,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:26,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:26,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [254733561] [2025-02-06 13:56:26,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:26,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:26,784 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 13:56:26,787 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 13:56:26,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 13:56:26,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 13:56:26,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:26,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:26,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:56:26,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:27,187 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:27,187 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:27,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:27,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62940016] [2025-02-06 13:56:27,566 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:27,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254733561] [2025-02-06 13:56:27,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254733561] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:27,566 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:27,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-06 13:56:27,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064059532] [2025-02-06 13:56:27,566 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:27,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:27,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:27,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:56:27,567 INFO L87 Difference]: Start difference. First operand 287 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:28,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:28,099 INFO L93 Difference]: Finished difference Result 328 states and 404 transitions. [2025-02-06 13:56:28,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:28,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 68 [2025-02-06 13:56:28,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:28,101 INFO L225 Difference]: With dead ends: 328 [2025-02-06 13:56:28,102 INFO L226 Difference]: Without dead ends: 326 [2025-02-06 13:56:28,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:56:28,102 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:28,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 189 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:56:28,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-02-06 13:56:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 288. [2025-02-06 13:56:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 209 states have (on average 1.4497607655502391) internal successors, (303), 260 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 353 transitions. [2025-02-06 13:56:28,148 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 353 transitions. Word has length 68 [2025-02-06 13:56:28,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:28,148 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 353 transitions. [2025-02-06 13:56:28,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:28,148 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 353 transitions. [2025-02-06 13:56:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-06 13:56:28,149 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:28,149 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:28,177 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:56:28,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:28,354 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:28,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:28,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1965822003, now seen corresponding path program 1 times [2025-02-06 13:56:28,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578554091] [2025-02-06 13:56:28,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:28,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:28,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 13:56:28,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:56:28,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:28,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91451169] [2025-02-06 13:56:28,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:28,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:28,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:28,410 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 13:56:28,426 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 13:56:28,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-06 13:56:28,550 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 13:56:28,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:28,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:28,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:56:28,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:28,853 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:28,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:29,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:29,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578554091] [2025-02-06 13:56:29,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:29,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91451169] [2025-02-06 13:56:29,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91451169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:29,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:29,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-06 13:56:29,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423337332] [2025-02-06 13:56:29,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:29,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:29,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:29,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:29,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:56:29,138 INFO L87 Difference]: Start difference. First operand 288 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:29,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:29,576 INFO L93 Difference]: Finished difference Result 328 states and 402 transitions. [2025-02-06 13:56:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:56:29,576 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 69 [2025-02-06 13:56:29,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:29,581 INFO L225 Difference]: With dead ends: 328 [2025-02-06 13:56:29,581 INFO L226 Difference]: Without dead ends: 326 [2025-02-06 13:56:29,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:56:29,582 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 72 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:29,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 142 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:56:29,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-02-06 13:56:29,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 289. [2025-02-06 13:56:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 210 states have (on average 1.4428571428571428) internal successors, (303), 261 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 353 transitions. [2025-02-06 13:56:29,630 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 353 transitions. Word has length 69 [2025-02-06 13:56:29,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:29,630 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 353 transitions. [2025-02-06 13:56:29,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 353 transitions. [2025-02-06 13:56:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 13:56:29,635 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:29,635 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:56:29,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:29,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:29,836 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:29,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:29,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2106185162, now seen corresponding path program 1 times [2025-02-06 13:56:29,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:29,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290987842] [2025-02-06 13:56:29,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:29,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:29,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 13:56:29,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 13:56:29,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:29,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:56:30,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:30,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290987842] [2025-02-06 13:56:30,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290987842] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:30,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428245004] [2025-02-06 13:56:30,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:30,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:30,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:30,176 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 13:56:30,184 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 13:56:30,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 13:56:30,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 13:56:30,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:30,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:30,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:56:30,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:30,664 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:56:30,664 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:30,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428245004] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:30,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:30,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 13:56:30,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860213828] [2025-02-06 13:56:30,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:30,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:30,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:30,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:30,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:56:30,666 INFO L87 Difference]: Start difference. First operand 289 states and 353 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:56:31,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:31,220 INFO L93 Difference]: Finished difference Result 325 states and 400 transitions. [2025-02-06 13:56:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:56:31,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 73 [2025-02-06 13:56:31,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:31,222 INFO L225 Difference]: With dead ends: 325 [2025-02-06 13:56:31,222 INFO L226 Difference]: Without dead ends: 324 [2025-02-06 13:56:31,222 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:56:31,223 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 62 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:31,223 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 139 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:56:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-06 13:56:31,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 290. [2025-02-06 13:56:31,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 262 states have internal predecessors, (303), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 353 transitions. [2025-02-06 13:56:31,248 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 353 transitions. Word has length 73 [2025-02-06 13:56:31,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:31,248 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 353 transitions. [2025-02-06 13:56:31,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:56:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 353 transitions. [2025-02-06 13:56:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 13:56:31,252 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:31,252 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:31,305 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 13:56:31,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:31,455 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:31,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:31,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1924121109, now seen corresponding path program 1 times [2025-02-06 13:56:31,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:31,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268291277] [2025-02-06 13:56:31,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:31,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:31,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:56:31,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:56:31,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:31,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:31,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120911338] [2025-02-06 13:56:31,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:31,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:31,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:31,495 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 13:56:31,502 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 13:56:31,544 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-06 13:56:31,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 13:56:31,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:31,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:31,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:31,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-02-06 13:56:31,630 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:31,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:31,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268291277] [2025-02-06 13:56:31,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:31,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120911338] [2025-02-06 13:56:31,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120911338] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:31,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:31,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:31,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999368710] [2025-02-06 13:56:31,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:31,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:31,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:31,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:31,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:31,633 INFO L87 Difference]: Start difference. First operand 290 states and 353 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:31,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:31,917 INFO L93 Difference]: Finished difference Result 341 states and 398 transitions. [2025-02-06 13:56:31,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:31,922 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 72 [2025-02-06 13:56:31,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:31,924 INFO L225 Difference]: With dead ends: 341 [2025-02-06 13:56:31,924 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 13:56:31,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:31,933 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 110 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:31,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 171 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:31,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 13:56:31,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 290. [2025-02-06 13:56:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 211 states have (on average 1.4312796208530805) internal successors, (302), 262 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2025-02-06 13:56:31,971 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 72 [2025-02-06 13:56:31,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:31,971 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2025-02-06 13:56:31,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2025-02-06 13:56:31,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-06 13:56:31,975 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:31,975 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:56:31,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 13:56:32,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:32,177 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:32,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:32,178 INFO L85 PathProgramCache]: Analyzing trace with hash 867230590, now seen corresponding path program 1 times [2025-02-06 13:56:32,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:32,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706045465] [2025-02-06 13:56:32,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:32,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:32,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 13:56:32,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 13:56:32,207 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:32,207 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:32,475 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:56:32,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:32,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706045465] [2025-02-06 13:56:32,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706045465] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:32,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568776315] [2025-02-06 13:56:32,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:32,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:32,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:32,478 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 13:56:32,480 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 13:56:32,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-06 13:56:32,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-06 13:56:32,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:32,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:32,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:56:32,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:32,901 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 13:56:32,902 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:32,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568776315] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:32,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:32,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-02-06 13:56:32,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013586146] [2025-02-06 13:56:32,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:32,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:32,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:32,904 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:32,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:56:32,905 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:56:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:33,586 INFO L93 Difference]: Finished difference Result 325 states and 397 transitions. [2025-02-06 13:56:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:33,608 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 74 [2025-02-06 13:56:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:33,617 INFO L225 Difference]: With dead ends: 325 [2025-02-06 13:56:33,617 INFO L226 Difference]: Without dead ends: 324 [2025-02-06 13:56:33,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:56:33,627 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 59 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:33,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 145 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:56:33,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2025-02-06 13:56:33,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 291. [2025-02-06 13:56:33,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 212 states have (on average 1.4245283018867925) internal successors, (302), 263 states have internal predecessors, (302), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 352 transitions. [2025-02-06 13:56:33,651 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 352 transitions. Word has length 74 [2025-02-06 13:56:33,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:33,651 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 352 transitions. [2025-02-06 13:56:33,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 13:56:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 352 transitions. [2025-02-06 13:56:33,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-06 13:56:33,652 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:33,652 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:33,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:33,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:33,855 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:33,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:33,857 INFO L85 PathProgramCache]: Analyzing trace with hash 481787849, now seen corresponding path program 1 times [2025-02-06 13:56:33,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:33,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895032108] [2025-02-06 13:56:33,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:33,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 13:56:33,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 13:56:33,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:33,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:33,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1866523956] [2025-02-06 13:56:33,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:33,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:33,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:33,931 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 13:56:33,933 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 13:56:33,959 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-06 13:56:33,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-06 13:56:33,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:33,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:33,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:56:33,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:34,087 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-06 13:56:34,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:56:34,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:34,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895032108] [2025-02-06 13:56:34,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:34,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866523956] [2025-02-06 13:56:34,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866523956] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:56:34,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:56:34,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:56:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643780716] [2025-02-06 13:56:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:56:34,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:56:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:34,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:56:34,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:34,089 INFO L87 Difference]: Start difference. First operand 291 states and 352 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:34,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:34,365 INFO L93 Difference]: Finished difference Result 343 states and 395 transitions. [2025-02-06 13:56:34,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:56:34,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 73 [2025-02-06 13:56:34,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:34,369 INFO L225 Difference]: With dead ends: 343 [2025-02-06 13:56:34,369 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 13:56:34,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:56:34,369 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 110 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:34,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 175 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:34,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 13:56:34,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 294. [2025-02-06 13:56:34,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 215 states have (on average 1.4186046511627908) internal successors, (305), 266 states have internal predecessors, (305), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-06 13:56:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 355 transitions. [2025-02-06 13:56:34,401 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 355 transitions. Word has length 73 [2025-02-06 13:56:34,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:34,402 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 355 transitions. [2025-02-06 13:56:34,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 13:56:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 355 transitions. [2025-02-06 13:56:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-06 13:56:34,403 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:34,403 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:34,411 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 13:56:34,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:34,604 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:34,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:34,604 INFO L85 PathProgramCache]: Analyzing trace with hash 811323405, now seen corresponding path program 1 times [2025-02-06 13:56:34,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:34,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361566321] [2025-02-06 13:56:34,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:34,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:34,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 13:56:34,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 13:56:34,646 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:34,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:34,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146747618] [2025-02-06 13:56:34,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:34,656 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 13:56:34,665 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 13:56:34,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 13:56:34,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 13:56:34,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:34,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:34,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:56:34,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:35,165 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:35,166 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:37,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:37,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361566321] [2025-02-06 13:56:37,488 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:37,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146747618] [2025-02-06 13:56:37,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146747618] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:37,488 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:37,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:56:37,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642667452] [2025-02-06 13:56:37,488 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:37,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:56:37,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:37,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:56:37,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:56:37,490 INFO L87 Difference]: Start difference. First operand 294 states and 355 transitions. Second operand has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:56:38,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:38,159 INFO L93 Difference]: Finished difference Result 478 states and 603 transitions. [2025-02-06 13:56:38,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:56:38,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 79 [2025-02-06 13:56:38,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:38,161 INFO L225 Difference]: With dead ends: 478 [2025-02-06 13:56:38,162 INFO L226 Difference]: Without dead ends: 474 [2025-02-06 13:56:38,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:56:38,163 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 373 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:38,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 304 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:56:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-06 13:56:38,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 370. [2025-02-06 13:56:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 282 states have (on average 1.4574468085106382) internal successors, (411), 333 states have internal predecessors, (411), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 13:56:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 479 transitions. [2025-02-06 13:56:38,188 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 479 transitions. Word has length 79 [2025-02-06 13:56:38,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:38,188 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 479 transitions. [2025-02-06 13:56:38,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:56:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 479 transitions. [2025-02-06 13:56:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 13:56:38,190 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:38,190 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:38,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:38,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:38,393 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:38,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:38,393 INFO L85 PathProgramCache]: Analyzing trace with hash -618778142, now seen corresponding path program 1 times [2025-02-06 13:56:38,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:38,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464992575] [2025-02-06 13:56:38,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:38,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:38,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 13:56:38,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 13:56:38,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:38,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:38,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823038109] [2025-02-06 13:56:38,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:38,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:38,437 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 13:56:38,440 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 13:56:38,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 13:56:38,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 13:56:38,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:38,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:38,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:56:38,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:38,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:41,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:41,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464992575] [2025-02-06 13:56:41,699 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:41,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823038109] [2025-02-06 13:56:41,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823038109] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:41,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:41,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:56:41,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26575052] [2025-02-06 13:56:41,700 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:41,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:56:41,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:41,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:56:41,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:56:41,703 INFO L87 Difference]: Start difference. First operand 370 states and 479 transitions. Second operand has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:56:42,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:42,173 INFO L93 Difference]: Finished difference Result 400 states and 504 transitions. [2025-02-06 13:56:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:56:42,174 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 80 [2025-02-06 13:56:42,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:42,176 INFO L225 Difference]: With dead ends: 400 [2025-02-06 13:56:42,176 INFO L226 Difference]: Without dead ends: 394 [2025-02-06 13:56:42,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2025-02-06 13:56:42,177 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 182 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:42,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 378 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:56:42,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-02-06 13:56:42,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 364. [2025-02-06 13:56:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 282 states have (on average 1.4042553191489362) internal successors, (396), 327 states have internal predecessors, (396), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-02-06 13:56:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 464 transitions. [2025-02-06 13:56:42,200 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 464 transitions. Word has length 80 [2025-02-06 13:56:42,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:42,203 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 464 transitions. [2025-02-06 13:56:42,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:56:42,203 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 464 transitions. [2025-02-06 13:56:42,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 13:56:42,204 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:42,204 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:42,234 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 13:56:42,409 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,SelfDestructingSolverStorable25 [2025-02-06 13:56:42,410 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:42,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:42,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2002253141, now seen corresponding path program 1 times [2025-02-06 13:56:42,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:42,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098046983] [2025-02-06 13:56:42,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:42,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:42,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 13:56:42,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 13:56:42,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:42,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:42,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040553441] [2025-02-06 13:56:42,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:42,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:42,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:42,454 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 13:56:42,455 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 13:56:42,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 13:56:42,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 13:56:42,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:42,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:42,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:56:42,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:43,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:43,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:43,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098046983] [2025-02-06 13:56:43,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:43,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040553441] [2025-02-06 13:56:43,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040553441] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:43,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:43,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:56:43,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325770668] [2025-02-06 13:56:43,189 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:43,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:56:43,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:43,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:56:43,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:56:43,190 INFO L87 Difference]: Start difference. First operand 364 states and 464 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 13:56:44,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:44,214 INFO L93 Difference]: Finished difference Result 507 states and 669 transitions. [2025-02-06 13:56:44,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:56:44,216 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 81 [2025-02-06 13:56:44,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:44,218 INFO L225 Difference]: With dead ends: 507 [2025-02-06 13:56:44,218 INFO L226 Difference]: Without dead ends: 500 [2025-02-06 13:56:44,218 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:56:44,219 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 413 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:44,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 254 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:56:44,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2025-02-06 13:56:44,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 457. [2025-02-06 13:56:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 365 states have (on average 1.452054794520548) internal successors, (530), 410 states have internal predecessors, (530), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-06 13:56:44,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 618 transitions. [2025-02-06 13:56:44,277 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 618 transitions. Word has length 81 [2025-02-06 13:56:44,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:44,277 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 618 transitions. [2025-02-06 13:56:44,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 13:56:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 618 transitions. [2025-02-06 13:56:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 13:56:44,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:44,278 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:44,325 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 13:56:44,479 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,SelfDestructingSolverStorable26 [2025-02-06 13:56:44,483 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:44,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:44,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1940305152, now seen corresponding path program 1 times [2025-02-06 13:56:44,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:44,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649647840] [2025-02-06 13:56:44,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:44,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:44,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:56:44,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:56:44,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:44,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:44,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831556331] [2025-02-06 13:56:44,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:44,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:44,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:44,530 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 13:56:44,539 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 13:56:44,640 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 13:56:44,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 13:56:44,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:44,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:44,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:56:44,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:45,238 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:45,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:45,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:45,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649647840] [2025-02-06 13:56:45,780 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:45,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831556331] [2025-02-06 13:56:45,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831556331] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:45,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:45,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:56:45,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999253770] [2025-02-06 13:56:45,780 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:45,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:56:45,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:45,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:56:45,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:56:45,781 INFO L87 Difference]: Start difference. First operand 457 states and 618 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 13:56:47,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:47,137 INFO L93 Difference]: Finished difference Result 559 states and 753 transitions. [2025-02-06 13:56:47,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:56:47,138 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) Word has length 82 [2025-02-06 13:56:47,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:47,141 INFO L225 Difference]: With dead ends: 559 [2025-02-06 13:56:47,141 INFO L226 Difference]: Without dead ends: 557 [2025-02-06 13:56:47,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:56:47,141 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 394 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:47,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 309 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:56:47,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-02-06 13:56:47,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 492. [2025-02-06 13:56:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 396 states have (on average 1.446969696969697) internal successors, (573), 441 states have internal predecessors, (573), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-02-06 13:56:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 669 transitions. [2025-02-06 13:56:47,182 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 669 transitions. Word has length 82 [2025-02-06 13:56:47,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:47,182 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 669 transitions. [2025-02-06 13:56:47,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 5 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 13:56:47,182 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 669 transitions. [2025-02-06 13:56:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-06 13:56:47,186 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:47,186 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:47,194 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 13:56:47,386 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,SelfDestructingSolverStorable27 [2025-02-06 13:56:47,387 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:47,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash -19917495, now seen corresponding path program 1 times [2025-02-06 13:56:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:47,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20899801] [2025-02-06 13:56:47,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:47,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:47,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 13:56:47,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:56:47,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:47,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:47,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1022620866] [2025-02-06 13:56:47,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:47,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:47,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:47,453 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 13:56:47,479 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 13:56:47,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-06 13:56:47,528 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-06 13:56:47,528 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:47,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:47,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 13:56:47,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 25 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-06 13:56:48,188 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:48,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20899801] [2025-02-06 13:56:48,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:48,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022620866] [2025-02-06 13:56:48,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022620866] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:48,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 13:56:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923196457] [2025-02-06 13:56:48,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:48,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 13:56:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:48,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 13:56:48,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:56:48,255 INFO L87 Difference]: Start difference. First operand 492 states and 669 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 13:56:49,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:49,434 INFO L93 Difference]: Finished difference Result 557 states and 747 transitions. [2025-02-06 13:56:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:56:49,435 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 83 [2025-02-06 13:56:49,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:49,437 INFO L225 Difference]: With dead ends: 557 [2025-02-06 13:56:49,437 INFO L226 Difference]: Without dead ends: 553 [2025-02-06 13:56:49,438 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:56:49,439 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 449 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 1245 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:49,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 318 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1245 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:56:49,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2025-02-06 13:56:49,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 435. [2025-02-06 13:56:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 346 states have (on average 1.4335260115606936) internal successors, (496), 391 states have internal predecessors, (496), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-06 13:56:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 578 transitions. [2025-02-06 13:56:49,469 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 578 transitions. Word has length 83 [2025-02-06 13:56:49,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:49,470 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 578 transitions. [2025-02-06 13:56:49,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2025-02-06 13:56:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 578 transitions. [2025-02-06 13:56:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-06 13:56:49,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:49,471 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:49,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 13:56:49,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 13:56:49,675 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:49,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:49,677 INFO L85 PathProgramCache]: Analyzing trace with hash -617442274, now seen corresponding path program 1 times [2025-02-06 13:56:49,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:49,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030237037] [2025-02-06 13:56:49,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:49,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:49,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 13:56:49,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 13:56:49,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:49,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:49,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1381115863] [2025-02-06 13:56:49,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:49,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:49,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:49,719 INFO L229 MonitoredProcess]: Starting monitored process 26 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 13:56:49,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 13:56:49,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 13:56:49,779 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 13:56:49,779 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:49,779 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:49,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:56:49,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:50,194 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 13:56:50,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:50,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:50,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030237037] [2025-02-06 13:56:50,533 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:50,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1381115863] [2025-02-06 13:56:50,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1381115863] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:50,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:50,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:56:50,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532902540] [2025-02-06 13:56:50,534 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:50,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:56:50,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:50,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:56:50,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:56:50,535 INFO L87 Difference]: Start difference. First operand 435 states and 578 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:56:51,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:51,191 INFO L93 Difference]: Finished difference Result 502 states and 667 transitions. [2025-02-06 13:56:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:56:51,192 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 84 [2025-02-06 13:56:51,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:51,194 INFO L225 Difference]: With dead ends: 502 [2025-02-06 13:56:51,194 INFO L226 Difference]: Without dead ends: 498 [2025-02-06 13:56:51,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:56:51,195 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 238 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:51,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 333 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:56:51,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2025-02-06 13:56:51,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 468. [2025-02-06 13:56:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 379 states have (on average 1.424802110817942) internal successors, (540), 421 states have internal predecessors, (540), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-02-06 13:56:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 628 transitions. [2025-02-06 13:56:51,241 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 628 transitions. Word has length 84 [2025-02-06 13:56:51,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:51,241 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 628 transitions. [2025-02-06 13:56:51,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-06 13:56:51,242 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 628 transitions. [2025-02-06 13:56:51,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 13:56:51,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:51,243 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:51,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:51,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:51,444 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:51,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:51,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1459860039, now seen corresponding path program 1 times [2025-02-06 13:56:51,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:51,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564410213] [2025-02-06 13:56:51,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:51,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:51,449 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 13:56:51,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 13:56:51,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:51,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:51,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634906912] [2025-02-06 13:56:51,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:51,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:51,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:51,461 INFO L229 MonitoredProcess]: Starting monitored process 27 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 13:56:51,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 13:56:51,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 13:56:51,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 13:56:51,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:51,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:51,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:56:51,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:51,913 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:56:51,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:52,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564410213] [2025-02-06 13:56:52,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:52,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634906912] [2025-02-06 13:56:52,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634906912] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:52,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:52,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:56:52,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345859342] [2025-02-06 13:56:52,079 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:52,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:56:52,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:52,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:56:52,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:56:52,080 INFO L87 Difference]: Start difference. First operand 468 states and 628 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:56:52,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:52,606 INFO L93 Difference]: Finished difference Result 741 states and 1038 transitions. [2025-02-06 13:56:52,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:56:52,614 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 90 [2025-02-06 13:56:52,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:52,617 INFO L225 Difference]: With dead ends: 741 [2025-02-06 13:56:52,620 INFO L226 Difference]: Without dead ends: 739 [2025-02-06 13:56:52,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:56:52,622 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 318 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:52,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 256 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:56:52,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2025-02-06 13:56:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 691. [2025-02-06 13:56:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 691 states, 576 states have (on average 1.453125) internal successors, (837), 618 states have internal predecessors, (837), 70 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2025-02-06 13:56:52,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 977 transitions. [2025-02-06 13:56:52,794 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 977 transitions. Word has length 90 [2025-02-06 13:56:52,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:52,794 INFO L471 AbstractCegarLoop]: Abstraction has 691 states and 977 transitions. [2025-02-06 13:56:52,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:56:52,795 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 977 transitions. [2025-02-06 13:56:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 13:56:52,795 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:52,799 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:52,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 13:56:52,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:53,000 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:53,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:53,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1988979113, now seen corresponding path program 1 times [2025-02-06 13:56:53,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:53,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143392945] [2025-02-06 13:56:53,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:53,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:53,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 13:56:53,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 13:56:53,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:53,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:53,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [500729240] [2025-02-06 13:56:53,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:53,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:53,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:53,047 INFO L229 MonitoredProcess]: Starting monitored process 28 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 13:56:53,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 13:56:53,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 13:56:53,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 13:56:53,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:53,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:53,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:56:53,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:56:53,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:58,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:58,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143392945] [2025-02-06 13:56:58,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:58,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500729240] [2025-02-06 13:56:58,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500729240] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:58,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:58,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:56:58,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367981913] [2025-02-06 13:56:58,539 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:58,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:56:58,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:58,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:56:58,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=50, Unknown=2, NotChecked=0, Total=72 [2025-02-06 13:56:58,545 INFO L87 Difference]: Start difference. First operand 691 states and 977 transitions. Second operand has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:56:58,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:56:58,952 INFO L93 Difference]: Finished difference Result 696 states and 980 transitions. [2025-02-06 13:56:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:56:58,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 91 [2025-02-06 13:56:58,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:56:58,961 INFO L225 Difference]: With dead ends: 696 [2025-02-06 13:56:58,961 INFO L226 Difference]: Without dead ends: 690 [2025-02-06 13:56:58,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=27, Invalid=61, Unknown=2, NotChecked=0, Total=90 [2025-02-06 13:56:58,966 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 154 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:56:58,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 310 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:56:58,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2025-02-06 13:56:59,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 562. [2025-02-06 13:56:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 466 states have (on average 1.3562231759656653) internal successors, (632), 502 states have internal predecessors, (632), 57 states have call successors, (57), 2 states have call predecessors, (57), 2 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-06 13:56:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 746 transitions. [2025-02-06 13:56:59,071 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 746 transitions. Word has length 91 [2025-02-06 13:56:59,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:56:59,072 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 746 transitions. [2025-02-06 13:56:59,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.166666666666666) internal successors, (55), 7 states have internal predecessors, (55), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:56:59,072 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 746 transitions. [2025-02-06 13:56:59,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-02-06 13:56:59,079 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:56:59,079 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:56:59,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-06 13:56:59,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-02-06 13:56:59,280 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:56:59,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:56:59,282 INFO L85 PathProgramCache]: Analyzing trace with hash 308003253, now seen corresponding path program 1 times [2025-02-06 13:56:59,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:56:59,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390937631] [2025-02-06 13:56:59,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:59,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:56:59,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 13:56:59,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 13:56:59,312 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:59,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:56:59,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2125669745] [2025-02-06 13:56:59,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:56:59,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:56:59,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:56:59,321 INFO L229 MonitoredProcess]: Starting monitored process 29 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 13:56:59,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 13:56:59,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-02-06 13:56:59,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-02-06 13:56:59,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:56:59,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:56:59,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:56:59,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:56:59,725 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:56:59,726 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:56:59,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:56:59,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390937631] [2025-02-06 13:56:59,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:56:59,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125669745] [2025-02-06 13:56:59,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125669745] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:56:59,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:56:59,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:56:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767192519] [2025-02-06 13:56:59,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:56:59,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:56:59,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:56:59,783 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:56:59,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:56:59,783 INFO L87 Difference]: Start difference. First operand 562 states and 746 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:57:00,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:00,225 INFO L93 Difference]: Finished difference Result 571 states and 760 transitions. [2025-02-06 13:57:00,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:57:00,226 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2025-02-06 13:57:00,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:00,228 INFO L225 Difference]: With dead ends: 571 [2025-02-06 13:57:00,228 INFO L226 Difference]: Without dead ends: 567 [2025-02-06 13:57:00,229 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:57:00,229 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 121 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:00,229 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 136 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:57:00,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2025-02-06 13:57:00,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 433. [2025-02-06 13:57:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 354 states have (on average 1.2994350282485876) internal successors, (460), 387 states have internal predecessors, (460), 43 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-02-06 13:57:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 546 transitions. [2025-02-06 13:57:00,265 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 546 transitions. Word has length 94 [2025-02-06 13:57:00,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:00,265 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 546 transitions. [2025-02-06 13:57:00,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-06 13:57:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 546 transitions. [2025-02-06 13:57:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-06 13:57:00,268 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:00,268 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:00,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:00,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:00,473 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:00,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:00,473 INFO L85 PathProgramCache]: Analyzing trace with hash 958166309, now seen corresponding path program 1 times [2025-02-06 13:57:00,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:00,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777522075] [2025-02-06 13:57:00,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:00,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 13:57:00,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:57:00,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:00,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:57:00,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537894059] [2025-02-06 13:57:00,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:00,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:00,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:00,491 INFO L229 MonitoredProcess]: Starting monitored process 30 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 13:57:00,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 13:57:00,525 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-06 13:57:00,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-06 13:57:00,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:00,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:00,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:57:00,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:01,055 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-02-06 13:57:01,055 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:01,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:01,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777522075] [2025-02-06 13:57:01,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:57:01,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537894059] [2025-02-06 13:57:01,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537894059] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:01,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:57:01,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:57:01,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733902045] [2025-02-06 13:57:01,198 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:01,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:57:01,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:01,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:57:01,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:57:01,200 INFO L87 Difference]: Start difference. First operand 433 states and 546 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:57:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:01,644 INFO L93 Difference]: Finished difference Result 445 states and 557 transitions. [2025-02-06 13:57:01,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:57:01,644 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) Word has length 95 [2025-02-06 13:57:01,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:01,646 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:57:01,646 INFO L226 Difference]: Without dead ends: 441 [2025-02-06 13:57:01,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:57:01,647 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 175 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:01,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 319 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:57:01,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-02-06 13:57:01,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 423. [2025-02-06 13:57:01,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 349 states have (on average 1.2836676217765044) internal successors, (448), 379 states have internal predecessors, (448), 41 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2025-02-06 13:57:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 530 transitions. [2025-02-06 13:57:01,678 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 530 transitions. Word has length 95 [2025-02-06 13:57:01,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:01,678 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 530 transitions. [2025-02-06 13:57:01,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 4 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 4 states have call successors, (9) [2025-02-06 13:57:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 530 transitions. [2025-02-06 13:57:01,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:57:01,679 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:01,679 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:01,691 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:01,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:01,880 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:01,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:01,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1736965332, now seen corresponding path program 1 times [2025-02-06 13:57:01,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:01,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782855952] [2025-02-06 13:57:01,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:01,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:01,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:57:01,889 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:57:01,891 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:01,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2025-02-06 13:57:01,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782855952] [2025-02-06 13:57:01,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782855952] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:01,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456542157] [2025-02-06 13:57:01,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:01,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:01,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:01,983 INFO L229 MonitoredProcess]: Starting monitored process 31 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 13:57:01,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 13:57:02,009 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:57:02,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:57:02,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:02,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:02,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:57:02,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:02,285 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:57:02,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456542157] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:57:02,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:57:02,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-06 13:57:02,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977962817] [2025-02-06 13:57:02,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:57:02,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:57:02,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:02,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:57:02,287 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:57:02,287 INFO L87 Difference]: Start difference. First operand 423 states and 530 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 13:57:02,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:02,468 INFO L93 Difference]: Finished difference Result 433 states and 541 transitions. [2025-02-06 13:57:02,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:57:02,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 99 [2025-02-06 13:57:02,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:02,470 INFO L225 Difference]: With dead ends: 433 [2025-02-06 13:57:02,470 INFO L226 Difference]: Without dead ends: 432 [2025-02-06 13:57:02,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:57:02,471 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:02,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 98 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:57:02,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2025-02-06 13:57:02,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 431. [2025-02-06 13:57:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 356 states have (on average 1.2780898876404494) internal successors, (455), 386 states have internal predecessors, (455), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-02-06 13:57:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 539 transitions. [2025-02-06 13:57:02,539 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 539 transitions. Word has length 99 [2025-02-06 13:57:02,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:02,539 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 539 transitions. [2025-02-06 13:57:02,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 13:57:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 539 transitions. [2025-02-06 13:57:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 13:57:02,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:02,540 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:02,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:02,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 13:57:02,741 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:02,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:02,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1988649530, now seen corresponding path program 1 times [2025-02-06 13:57:02,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:02,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871534232] [2025-02-06 13:57:02,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:02,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:02,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 13:57:02,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 13:57:02,755 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:02,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:03,039 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:57:03,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:03,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871534232] [2025-02-06 13:57:03,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871534232] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:03,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720119648] [2025-02-06 13:57:03,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:03,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:03,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:03,045 INFO L229 MonitoredProcess]: Starting monitored process 32 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 13:57:03,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 13:57:03,208 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 13:57:03,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 13:57:03,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:03,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:03,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:57:03,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:03,512 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:57:03,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720119648] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:57:03,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:57:03,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-02-06 13:57:03,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911410908] [2025-02-06 13:57:03,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:57:03,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:57:03,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:03,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:57:03,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:57:03,514 INFO L87 Difference]: Start difference. First operand 431 states and 539 transitions. Second operand has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 13:57:03,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:03,683 INFO L93 Difference]: Finished difference Result 433 states and 540 transitions. [2025-02-06 13:57:03,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:57:03,683 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 100 [2025-02-06 13:57:03,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:03,685 INFO L225 Difference]: With dead ends: 433 [2025-02-06 13:57:03,685 INFO L226 Difference]: Without dead ends: 403 [2025-02-06 13:57:03,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:57:03,686 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 10 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:03,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 99 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:57:03,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-02-06 13:57:03,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-02-06 13:57:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 331 states have (on average 1.2930513595166162) internal successors, (428), 361 states have internal predecessors, (428), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-02-06 13:57:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 506 transitions. [2025-02-06 13:57:03,721 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 506 transitions. Word has length 100 [2025-02-06 13:57:03,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:03,721 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 506 transitions. [2025-02-06 13:57:03,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-02-06 13:57:03,722 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 506 transitions. [2025-02-06 13:57:03,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:57:03,722 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:03,722 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:03,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:03,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 13:57:03,923 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:03,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:03,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1571947652, now seen corresponding path program 1 times [2025-02-06 13:57:03,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:03,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066024463] [2025-02-06 13:57:03,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:03,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:03,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:57:03,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:57:03,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:03,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:03,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:03,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066024463] [2025-02-06 13:57:03,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066024463] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:03,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051371374] [2025-02-06 13:57:03,999 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:03,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:03,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:04,002 INFO L229 MonitoredProcess]: Starting monitored process 33 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 13:57:04,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 13:57:04,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:57:04,051 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:57:04,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:04,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:04,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:57:04,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:04,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:04,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051371374] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:04,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:04,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-06 13:57:04,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018074569] [2025-02-06 13:57:04,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:04,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:57:04,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:04,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:57:04,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:57:04,395 INFO L87 Difference]: Start difference. First operand 403 states and 506 transitions. Second operand has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-02-06 13:57:05,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:05,468 INFO L93 Difference]: Finished difference Result 690 states and 855 transitions. [2025-02-06 13:57:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-02-06 13:57:05,480 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) Word has length 104 [2025-02-06 13:57:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:05,505 INFO L225 Difference]: With dead ends: 690 [2025-02-06 13:57:05,509 INFO L226 Difference]: Without dead ends: 689 [2025-02-06 13:57:05,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=526, Invalid=1366, Unknown=0, NotChecked=0, Total=1892 [2025-02-06 13:57:05,516 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 1203 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1203 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:05,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1203 Valid, 573 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:57:05,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2025-02-06 13:57:05,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 542. [2025-02-06 13:57:05,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 455 states have (on average 1.3252747252747252) internal successors, (603), 485 states have internal predecessors, (603), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 13:57:05,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 711 transitions. [2025-02-06 13:57:05,632 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 711 transitions. Word has length 104 [2025-02-06 13:57:05,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:05,632 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 711 transitions. [2025-02-06 13:57:05,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.76923076923077) internal successors, (166), 14 states have internal predecessors, (166), 10 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 10 states have call predecessors, (30), 10 states have call successors, (30) [2025-02-06 13:57:05,633 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 711 transitions. [2025-02-06 13:57:05,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:57:05,634 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:05,635 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:05,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:05,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 13:57:05,836 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:05,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:05,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1865925316, now seen corresponding path program 1 times [2025-02-06 13:57:05,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:05,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955700041] [2025-02-06 13:57:05,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:05,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:05,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:57:05,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:57:05,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:05,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:06,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:06,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955700041] [2025-02-06 13:57:06,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955700041] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:06,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964019622] [2025-02-06 13:57:06,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:06,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:06,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:06,007 INFO L229 MonitoredProcess]: Starting monitored process 34 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 13:57:06,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 13:57:06,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:57:06,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:57:06,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:06,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:06,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:57:06,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:06,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:06,634 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:06,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964019622] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:06,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:06,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:57:06,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006756218] [2025-02-06 13:57:06,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:06,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:57:06,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:06,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:57:06,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:57:06,636 INFO L87 Difference]: Start difference. First operand 542 states and 711 transitions. Second operand has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-02-06 13:57:07,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:07,633 INFO L93 Difference]: Finished difference Result 865 states and 1078 transitions. [2025-02-06 13:57:07,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 13:57:07,633 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 104 [2025-02-06 13:57:07,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:07,638 INFO L225 Difference]: With dead ends: 865 [2025-02-06 13:57:07,638 INFO L226 Difference]: Without dead ends: 864 [2025-02-06 13:57:07,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122 [2025-02-06 13:57:07,641 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 1040 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1043 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:07,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1043 Valid, 544 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:57:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2025-02-06 13:57:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 674. [2025-02-06 13:57:07,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 574 states have (on average 1.3554006968641115) internal successors, (778), 604 states have internal predecessors, (778), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-06 13:57:07,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 912 transitions. [2025-02-06 13:57:07,720 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 912 transitions. Word has length 104 [2025-02-06 13:57:07,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:07,722 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 912 transitions. [2025-02-06 13:57:07,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 10 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2025-02-06 13:57:07,722 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 912 transitions. [2025-02-06 13:57:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:57:07,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:07,726 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2025-02-06 13:57:07,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-06 13:57:07,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:07,929 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:07,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:07,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1865923971, now seen corresponding path program 1 times [2025-02-06 13:57:07,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:07,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866977138] [2025-02-06 13:57:07,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:07,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:07,948 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:57:07,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:57:07,988 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:07,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:08,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866977138] [2025-02-06 13:57:08,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866977138] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:08,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596068168] [2025-02-06 13:57:08,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:08,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:08,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:08,066 INFO L229 MonitoredProcess]: Starting monitored process 35 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 13:57:08,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 13:57:08,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:57:08,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:57:08,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:08,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:08,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:57:08,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:08,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:08,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596068168] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:08,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:08,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:57:08,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546667174] [2025-02-06 13:57:08,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:08,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:57:08,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:08,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:57:08,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:57:08,525 INFO L87 Difference]: Start difference. First operand 674 states and 912 transitions. Second operand has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2025-02-06 13:57:09,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:09,124 INFO L93 Difference]: Finished difference Result 936 states and 1216 transitions. [2025-02-06 13:57:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 13:57:09,125 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 104 [2025-02-06 13:57:09,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:09,128 INFO L225 Difference]: With dead ends: 936 [2025-02-06 13:57:09,128 INFO L226 Difference]: Without dead ends: 935 [2025-02-06 13:57:09,128 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2025-02-06 13:57:09,129 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 1161 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:09,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1164 Valid, 538 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:57:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2025-02-06 13:57:09,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 744. [2025-02-06 13:57:09,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 637 states have (on average 1.335949764521193) internal successors, (851), 667 states have internal predecessors, (851), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-02-06 13:57:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 999 transitions. [2025-02-06 13:57:09,192 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 999 transitions. Word has length 104 [2025-02-06 13:57:09,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:09,193 INFO L471 AbstractCegarLoop]: Abstraction has 744 states and 999 transitions. [2025-02-06 13:57:09,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.75) internal successors, (165), 13 states have internal predecessors, (165), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2025-02-06 13:57:09,193 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 999 transitions. [2025-02-06 13:57:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 13:57:09,193 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:09,193 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2025-02-06 13:57:09,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-06 13:57:09,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 13:57:09,404 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:09,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:09,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2009068206, now seen corresponding path program 1 times [2025-02-06 13:57:09,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:09,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837926569] [2025-02-06 13:57:09,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:09,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:09,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 13:57:09,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 13:57:09,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:09,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:09,507 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:09,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:09,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837926569] [2025-02-06 13:57:09,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837926569] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:09,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837002659] [2025-02-06 13:57:09,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:09,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:09,510 INFO L229 MonitoredProcess]: Starting monitored process 36 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 13:57:09,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 13:57:09,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 13:57:09,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 13:57:09,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:09,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:09,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:57:09,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:09,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:09,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837002659] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:09,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:09,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-06 13:57:09,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196380238] [2025-02-06 13:57:09,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:09,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:57:09,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:09,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:57:09,856 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:57:09,857 INFO L87 Difference]: Start difference. First operand 744 states and 999 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-06 13:57:10,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:10,555 INFO L93 Difference]: Finished difference Result 1228 states and 1667 transitions. [2025-02-06 13:57:10,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:57:10,555 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 105 [2025-02-06 13:57:10,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:10,559 INFO L225 Difference]: With dead ends: 1228 [2025-02-06 13:57:10,560 INFO L226 Difference]: Without dead ends: 1226 [2025-02-06 13:57:10,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:57:10,561 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 216 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:10,561 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 323 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:57:10,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1226 states. [2025-02-06 13:57:10,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1226 to 1007. [2025-02-06 13:57:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 875 states have (on average 1.3542857142857143) internal successors, (1185), 905 states have internal predecessors, (1185), 99 states have call successors, (99), 2 states have call predecessors, (99), 2 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2025-02-06 13:57:10,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1383 transitions. [2025-02-06 13:57:10,624 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1383 transitions. Word has length 105 [2025-02-06 13:57:10,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:10,624 INFO L471 AbstractCegarLoop]: Abstraction has 1007 states and 1383 transitions. [2025-02-06 13:57:10,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-06 13:57:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1383 transitions. [2025-02-06 13:57:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 13:57:10,625 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:10,625 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2025-02-06 13:57:10,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 13:57:10,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 13:57:10,827 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:10,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1904106650, now seen corresponding path program 1 times [2025-02-06 13:57:10,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:10,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697274856] [2025-02-06 13:57:10,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:10,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:10,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 13:57:10,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 13:57:10,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:10,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:11,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:11,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697274856] [2025-02-06 13:57:11,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697274856] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:11,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840696778] [2025-02-06 13:57:11,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:11,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:11,020 INFO L229 MonitoredProcess]: Starting monitored process 37 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 13:57:11,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 13:57:11,079 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 13:57:11,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 13:57:11,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:11,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:11,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:57:11,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:11,456 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:11,458 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:11,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840696778] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:11,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:11,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-06 13:57:11,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267354748] [2025-02-06 13:57:11,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:11,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:57:11,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:11,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:57:11,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:57:11,703 INFO L87 Difference]: Start difference. First operand 1007 states and 1383 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-06 13:57:12,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:12,688 INFO L93 Difference]: Finished difference Result 1433 states and 1960 transitions. [2025-02-06 13:57:12,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:57:12,689 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) Word has length 107 [2025-02-06 13:57:12,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:12,695 INFO L225 Difference]: With dead ends: 1433 [2025-02-06 13:57:12,696 INFO L226 Difference]: Without dead ends: 1431 [2025-02-06 13:57:12,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:57:12,697 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 207 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:12,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 336 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 13:57:12,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2025-02-06 13:57:12,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1230. [2025-02-06 13:57:12,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1077 states have (on average 1.3491179201485608) internal successors, (1453), 1107 states have internal predecessors, (1453), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-06 13:57:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1693 transitions. [2025-02-06 13:57:12,811 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1693 transitions. Word has length 107 [2025-02-06 13:57:12,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:12,814 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1693 transitions. [2025-02-06 13:57:12,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 7 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 7 states have call predecessors, (22), 7 states have call successors, (22) [2025-02-06 13:57:12,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1693 transitions. [2025-02-06 13:57:12,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 13:57:12,815 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:12,816 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:12,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:13,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:13,020 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:13,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1561557194, now seen corresponding path program 1 times [2025-02-06 13:57:13,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:13,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744741358] [2025-02-06 13:57:13,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:13,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:13,032 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:57:13,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:57:13,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:13,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:57:13,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:13,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744741358] [2025-02-06 13:57:13,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744741358] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:13,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469986222] [2025-02-06 13:57:13,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:13,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:13,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:13,348 INFO L229 MonitoredProcess]: Starting monitored process 38 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 13:57:13,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 13:57:13,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 13:57:13,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:57:13,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:13,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:13,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:57:13,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:57:13,767 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:14,001 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2025-02-06 13:57:14,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469986222] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:14,002 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:14,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 9] total 17 [2025-02-06 13:57:14,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373456366] [2025-02-06 13:57:14,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:14,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 13:57:14,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:14,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 13:57:14,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:57:14,004 INFO L87 Difference]: Start difference. First operand 1230 states and 1693 transitions. Second operand has 17 states, 17 states have (on average 8.705882352941176) internal successors, (148), 17 states have internal predecessors, (148), 8 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) [2025-02-06 13:57:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:14,922 INFO L93 Difference]: Finished difference Result 1345 states and 1815 transitions. [2025-02-06 13:57:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:57:14,922 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 8.705882352941176) internal successors, (148), 17 states have internal predecessors, (148), 8 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) Word has length 110 [2025-02-06 13:57:14,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:14,925 INFO L225 Difference]: With dead ends: 1345 [2025-02-06 13:57:14,925 INFO L226 Difference]: Without dead ends: 549 [2025-02-06 13:57:14,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 211 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=110, Invalid=396, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:57:14,932 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 209 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 976 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:14,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 976 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:57:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2025-02-06 13:57:15,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 511. [2025-02-06 13:57:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 430 states have (on average 1.1953488372093024) internal successors, (514), 458 states have internal predecessors, (514), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-02-06 13:57:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 614 transitions. [2025-02-06 13:57:15,077 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 614 transitions. Word has length 110 [2025-02-06 13:57:15,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:15,078 INFO L471 AbstractCegarLoop]: Abstraction has 511 states and 614 transitions. [2025-02-06 13:57:15,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.705882352941176) internal successors, (148), 17 states have internal predecessors, (148), 8 states have call successors, (22), 1 states have call predecessors, (22), 2 states have return successors, (23), 7 states have call predecessors, (23), 8 states have call successors, (23) [2025-02-06 13:57:15,078 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 614 transitions. [2025-02-06 13:57:15,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 13:57:15,079 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:15,079 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:15,095 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-06 13:57:15,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:15,283 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:15,283 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:15,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1517655542, now seen corresponding path program 2 times [2025-02-06 13:57:15,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:15,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948841856] [2025-02-06 13:57:15,284 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:57:15,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:15,299 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-02-06 13:57:15,360 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:57:15,364 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:57:15,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:15,934 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-06 13:57:15,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:15,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948841856] [2025-02-06 13:57:15,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948841856] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:15,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235426472] [2025-02-06 13:57:15,935 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:57:15,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:15,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:15,937 INFO L229 MonitoredProcess]: Starting monitored process 39 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 13:57:15,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-06 13:57:15,964 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 110 statements into 2 equivalence classes. [2025-02-06 13:57:15,986 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 13:57:15,987 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:57:15,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:15,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:57:15,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-06 13:57:16,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:16,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235426472] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:16,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:57:16,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2025-02-06 13:57:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157224129] [2025-02-06 13:57:16,557 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:16,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:57:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:16,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:57:16,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:57:16,559 INFO L87 Difference]: Start difference. First operand 511 states and 614 transitions. Second operand has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-06 13:57:17,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:17,769 INFO L93 Difference]: Finished difference Result 735 states and 896 transitions. [2025-02-06 13:57:17,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 13:57:17,769 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) Word has length 110 [2025-02-06 13:57:17,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:17,772 INFO L225 Difference]: With dead ends: 735 [2025-02-06 13:57:17,774 INFO L226 Difference]: Without dead ends: 545 [2025-02-06 13:57:17,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=152, Invalid=604, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:57:17,776 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 680 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:17,776 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 356 Invalid, 1337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:57:17,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2025-02-06 13:57:17,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 503. [2025-02-06 13:57:17,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 426 states have (on average 1.1713615023474178) internal successors, (499), 450 states have internal predecessors, (499), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-02-06 13:57:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 599 transitions. [2025-02-06 13:57:17,842 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 599 transitions. Word has length 110 [2025-02-06 13:57:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:17,843 INFO L471 AbstractCegarLoop]: Abstraction has 503 states and 599 transitions. [2025-02-06 13:57:17,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.466666666666667) internal successors, (127), 14 states have internal predecessors, (127), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 8 states have call predecessors, (20), 7 states have call successors, (20) [2025-02-06 13:57:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 599 transitions. [2025-02-06 13:57:17,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-06 13:57:17,846 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:17,846 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:17,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-06 13:57:18,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-06 13:57:18,047 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:18,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:18,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1895993699, now seen corresponding path program 1 times [2025-02-06 13:57:18,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:18,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134196620] [2025-02-06 13:57:18,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:18,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:18,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 13:57:18,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 13:57:18,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:18,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:18,261 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-06 13:57:18,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:18,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134196620] [2025-02-06 13:57:18,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134196620] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:18,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921438423] [2025-02-06 13:57:18,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:18,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:18,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:18,267 INFO L229 MonitoredProcess]: Starting monitored process 40 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 13:57:18,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-06 13:57:18,352 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-02-06 13:57:18,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-02-06 13:57:18,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:18,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:18,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:57:18,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-06 13:57:18,485 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2025-02-06 13:57:18,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921438423] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:18,688 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:18,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-02-06 13:57:18,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892958163] [2025-02-06 13:57:18,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:18,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:57:18,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:18,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:57:18,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:57:18,693 INFO L87 Difference]: Start difference. First operand 503 states and 599 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-06 13:57:19,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:19,377 INFO L93 Difference]: Finished difference Result 505 states and 601 transitions. [2025-02-06 13:57:19,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:57:19,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 115 [2025-02-06 13:57:19,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:19,380 INFO L225 Difference]: With dead ends: 505 [2025-02-06 13:57:19,380 INFO L226 Difference]: Without dead ends: 504 [2025-02-06 13:57:19,380 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:57:19,380 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 139 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:19,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 150 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:57:19,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2025-02-06 13:57:19,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 502. [2025-02-06 13:57:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 426 states have (on average 1.1666666666666667) internal successors, (497), 449 states have internal predecessors, (497), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2025-02-06 13:57:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 597 transitions. [2025-02-06 13:57:19,469 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 597 transitions. Word has length 115 [2025-02-06 13:57:19,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:19,469 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 597 transitions. [2025-02-06 13:57:19,469 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 10 states have internal predecessors, (81), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-06 13:57:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 597 transitions. [2025-02-06 13:57:19,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-06 13:57:19,470 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:19,470 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:19,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:19,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:19,679 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:19,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:19,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1353737467, now seen corresponding path program 1 times [2025-02-06 13:57:19,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:19,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681543795] [2025-02-06 13:57:19,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:19,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:19,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-06 13:57:19,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 13:57:19,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:19,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-02-06 13:57:19,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:19,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681543795] [2025-02-06 13:57:19,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681543795] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:57:19,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:57:19,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:57:19,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369883957] [2025-02-06 13:57:19,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:57:19,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:57:19,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:19,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:57:19,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:57:19,840 INFO L87 Difference]: Start difference. First operand 502 states and 597 transitions. Second operand has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-06 13:57:20,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:20,796 INFO L93 Difference]: Finished difference Result 516 states and 610 transitions. [2025-02-06 13:57:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:57:20,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 116 [2025-02-06 13:57:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:20,799 INFO L225 Difference]: With dead ends: 516 [2025-02-06 13:57:20,799 INFO L226 Difference]: Without dead ends: 504 [2025-02-06 13:57:20,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:57:20,800 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 128 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:20,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 210 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:57:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2025-02-06 13:57:20,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 490. [2025-02-06 13:57:20,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 416 states have (on average 1.1586538461538463) internal successors, (482), 438 states have internal predecessors, (482), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-02-06 13:57:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 580 transitions. [2025-02-06 13:57:20,919 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 580 transitions. Word has length 116 [2025-02-06 13:57:20,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:20,923 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 580 transitions. [2025-02-06 13:57:20,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.4) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-06 13:57:20,923 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 580 transitions. [2025-02-06 13:57:20,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:57:20,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:20,924 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:20,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-02-06 13:57:20,924 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:20,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:20,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1958065382, now seen corresponding path program 2 times [2025-02-06 13:57:20,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:20,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818544738] [2025-02-06 13:57:20,925 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:57:20,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:20,939 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-02-06 13:57:20,961 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:57:20,964 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:57:20,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-06 13:57:21,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:21,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818544738] [2025-02-06 13:57:21,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818544738] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:21,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639701792] [2025-02-06 13:57:21,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:57:21,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:21,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:21,337 INFO L229 MonitoredProcess]: Starting monitored process 41 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 13:57:21,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-06 13:57:21,367 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 121 statements into 2 equivalence classes. [2025-02-06 13:57:21,387 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:57:21,387 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:57:21,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:21,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:57:21,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:21,627 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 78 proven. 6 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-02-06 13:57:21,627 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-02-06 13:57:21,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639701792] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:21,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:21,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-02-06 13:57:21,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867085018] [2025-02-06 13:57:21,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:21,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:57:21,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:21,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:57:21,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:57:21,828 INFO L87 Difference]: Start difference. First operand 490 states and 580 transitions. Second operand has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 13 states have internal predecessors, (179), 10 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (28), 11 states have call predecessors, (28), 10 states have call successors, (28) [2025-02-06 13:57:22,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:22,205 INFO L93 Difference]: Finished difference Result 496 states and 583 transitions. [2025-02-06 13:57:22,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 13:57:22,205 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 13 states have internal predecessors, (179), 10 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (28), 11 states have call predecessors, (28), 10 states have call successors, (28) Word has length 121 [2025-02-06 13:57:22,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:22,207 INFO L225 Difference]: With dead ends: 496 [2025-02-06 13:57:22,207 INFO L226 Difference]: Without dead ends: 365 [2025-02-06 13:57:22,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 236 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:57:22,208 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 472 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:22,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 360 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:57:22,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2025-02-06 13:57:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 365. [2025-02-06 13:57:22,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 303 states have (on average 1.2013201320132014) internal successors, (364), 325 states have internal predecessors, (364), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-06 13:57:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 438 transitions. [2025-02-06 13:57:22,239 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 438 transitions. Word has length 121 [2025-02-06 13:57:22,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:22,240 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 438 transitions. [2025-02-06 13:57:22,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 11.933333333333334) internal successors, (179), 13 states have internal predecessors, (179), 10 states have call successors, (27), 2 states have call predecessors, (27), 3 states have return successors, (28), 11 states have call predecessors, (28), 10 states have call successors, (28) [2025-02-06 13:57:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 438 transitions. [2025-02-06 13:57:22,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-06 13:57:22,241 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:22,241 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 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, 1, 1, 1, 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 13:57:22,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-02-06 13:57:22,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-02-06 13:57:22,442 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:22,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:22,443 INFO L85 PathProgramCache]: Analyzing trace with hash -170629070, now seen corresponding path program 1 times [2025-02-06 13:57:22,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:22,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450897762] [2025-02-06 13:57:22,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:22,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-06 13:57:22,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-06 13:57:22,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:22,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2025-02-06 13:57:22,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450897762] [2025-02-06 13:57:22,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450897762] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757113355] [2025-02-06 13:57:22,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:22,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:22,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:22,527 INFO L229 MonitoredProcess]: Starting monitored process 42 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 13:57:22,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-06 13:57:22,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-02-06 13:57:22,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-02-06 13:57:22,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:22,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:22,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:57:22,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2025-02-06 13:57:22,921 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:57:22,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757113355] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:57:22,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:57:22,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-02-06 13:57:22,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055176187] [2025-02-06 13:57:22,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:57:22,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:57:22,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:22,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:57:22,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:57:22,922 INFO L87 Difference]: Start difference. First operand 365 states and 438 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 13:57:23,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:23,054 INFO L93 Difference]: Finished difference Result 377 states and 451 transitions. [2025-02-06 13:57:23,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:57:23,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 127 [2025-02-06 13:57:23,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:23,056 INFO L225 Difference]: With dead ends: 377 [2025-02-06 13:57:23,056 INFO L226 Difference]: Without dead ends: 375 [2025-02-06 13:57:23,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:57:23,056 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 16 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:23,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 107 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:57:23,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-02-06 13:57:23,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 366. [2025-02-06 13:57:23,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 304 states have (on average 1.1973684210526316) internal successors, (364), 326 states have internal predecessors, (364), 37 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2025-02-06 13:57:23,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 438 transitions. [2025-02-06 13:57:23,089 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 438 transitions. Word has length 127 [2025-02-06 13:57:23,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:23,089 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 438 transitions. [2025-02-06 13:57:23,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 13:57:23,089 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 438 transitions. [2025-02-06 13:57:23,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-02-06 13:57:23,090 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:23,090 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:23,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:23,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-02-06 13:57:23,290 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:23,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:23,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1158333121, now seen corresponding path program 2 times [2025-02-06 13:57:23,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:23,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234794041] [2025-02-06 13:57:23,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:57:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:23,297 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-02-06 13:57:23,308 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-02-06 13:57:23,308 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:57:23,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 44 proven. 30 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-02-06 13:57:23,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234794041] [2025-02-06 13:57:23,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234794041] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:23,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147156860] [2025-02-06 13:57:23,518 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:57:23,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:23,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:23,520 INFO L229 MonitoredProcess]: Starting monitored process 43 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 13:57:23,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-02-06 13:57:23,548 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-02-06 13:57:23,575 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-02-06 13:57:23,575 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:57:23,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:23,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:57:23,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2025-02-06 13:57:23,908 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:24,171 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 44 proven. 30 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-02-06 13:57:24,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147156860] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:24,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:24,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-06 13:57:24,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560546340] [2025-02-06 13:57:24,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:24,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:57:24,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:24,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:57:24,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:57:24,173 INFO L87 Difference]: Start difference. First operand 366 states and 438 transitions. Second operand has 16 states, 14 states have (on average 11.357142857142858) internal successors, (159), 12 states have internal predecessors, (159), 11 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (26), 11 states have call predecessors, (26), 11 states have call successors, (26) [2025-02-06 13:57:24,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:24,470 INFO L93 Difference]: Finished difference Result 401 states and 474 transitions. [2025-02-06 13:57:24,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:57:24,470 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 11.357142857142858) internal successors, (159), 12 states have internal predecessors, (159), 11 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (26), 11 states have call predecessors, (26), 11 states have call successors, (26) Word has length 132 [2025-02-06 13:57:24,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:24,471 INFO L225 Difference]: With dead ends: 401 [2025-02-06 13:57:24,471 INFO L226 Difference]: Without dead ends: 100 [2025-02-06 13:57:24,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 257 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:57:24,472 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 126 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:24,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 376 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:57:24,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-06 13:57:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-02-06 13:57:24,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 83 states have (on average 1.0120481927710843) internal successors, (84), 84 states have internal predecessors, (84), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 13:57:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2025-02-06 13:57:24,486 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 132 [2025-02-06 13:57:24,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:24,486 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2025-02-06 13:57:24,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 11.357142857142858) internal successors, (159), 12 states have internal predecessors, (159), 11 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (26), 11 states have call predecessors, (26), 11 states have call successors, (26) [2025-02-06 13:57:24,487 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2025-02-06 13:57:24,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-06 13:57:24,487 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:57:24,488 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 4, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:57:24,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-02-06 13:57:24,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-02-06 13:57:24,691 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:57:24,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:57:24,691 INFO L85 PathProgramCache]: Analyzing trace with hash -550979804, now seen corresponding path program 1 times [2025-02-06 13:57:24,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:57:24,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476729625] [2025-02-06 13:57:24,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:24,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:57:24,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-06 13:57:24,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-06 13:57:24,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:24,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:24,867 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-02-06 13:57:24,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:57:24,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476729625] [2025-02-06 13:57:24,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476729625] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:57:24,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448548539] [2025-02-06 13:57:24,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:57:24,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:24,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:57:24,872 INFO L229 MonitoredProcess]: Starting monitored process 44 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 13:57:24,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-02-06 13:57:24,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-06 13:57:24,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-06 13:57:24,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:57:24,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:57:24,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:57:24,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:57:25,003 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-02-06 13:57:25,004 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:57:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2025-02-06 13:57:25,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448548539] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:57:25,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:57:25,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2025-02-06 13:57:25,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354391098] [2025-02-06 13:57:25,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:57:25,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:57:25,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:57:25,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:57:25,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:57:25,147 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 13:57:25,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:57:25,346 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2025-02-06 13:57:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:57:25,347 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 141 [2025-02-06 13:57:25,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:57:25,347 INFO L225 Difference]: With dead ends: 102 [2025-02-06 13:57:25,347 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 13:57:25,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:57:25,348 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 47 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:57:25,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 90 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:57:25,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 13:57:25,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 13:57:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:57:25,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 13:57:25,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 141 [2025-02-06 13:57:25,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:57:25,349 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 13:57:25,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 3 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 13:57:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 13:57:25,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 13:57:25,358 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 56 remaining) [2025-02-06 13:57:25,359 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 56 remaining) [2025-02-06 13:57:25,360 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 56 remaining) [2025-02-06 13:57:25,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 56 remaining) [2025-02-06 13:57:25,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 56 remaining) [2025-02-06 13:57:25,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 56 remaining) [2025-02-06 13:57:25,361 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 56 remaining) [2025-02-06 13:57:25,366 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 56 remaining) [2025-02-06 13:57:25,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2025-02-06 13:57:25,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:57:25,573 INFO L422 BasicCegarLoop]: Path program histogram: [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, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:57:25,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.