./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.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/cohencu-ll_valuebound5.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 ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:53:17,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:53:17,419 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:53:17,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:53:17,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:53:17,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:53:17,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:53:17,451 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:53:17,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:53:17,452 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:53:17,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:53:17,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:53:17,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:53:17,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:53:17,453 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:53:17,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:53:17,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:53:17,455 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:53:17,455 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:53:17,455 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:53:17,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:53:17,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:53:17,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:53:17,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:53:17,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:53:17,456 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:53:17,457 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:53:17,457 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 -> ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 [2025-02-06 13:53:17,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:53:17,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:53:17,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:53:17,685 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:53:17,685 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:53:17,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2025-02-06 13:53:18,873 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6cf821795/2eeb09755eb6494fbf820c61392bd05c/FLAG06486e577 [2025-02-06 13:53:19,127 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:53:19,128 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2025-02-06 13:53:19,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6cf821795/2eeb09755eb6494fbf820c61392bd05c/FLAG06486e577 [2025-02-06 13:53:19,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6cf821795/2eeb09755eb6494fbf820c61392bd05c [2025-02-06 13:53:19,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:53:19,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:53:19,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:53:19,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:53:19,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:53:19,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77e42b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19, skipping insertion in model container [2025-02-06 13:53:19,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,170 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:53:19,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:53:19,297 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:53:19,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:53:19,326 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:53:19,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19 WrapperNode [2025-02-06 13:53:19,327 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:53:19,328 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:53:19,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:53:19,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:53:19,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,366 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-02-06 13:53:19,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:53:19,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:53:19,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:53:19,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:53:19,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,374 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,385 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 13:53:19,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,388 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,393 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,394 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:53:19,396 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:53:19,396 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:53:19,396 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:53:19,396 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (1/1) ... [2025-02-06 13:53:19,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:53:19,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:19,426 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 13:53:19,431 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 13:53:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:53:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:53:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:53:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:53:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:53:19,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:53:19,489 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:53:19,491 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:53:20,046 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-02-06 13:53:20,046 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:53:20,056 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:53:20,056 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:53:20,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:53:20 BoogieIcfgContainer [2025-02-06 13:53:20,057 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:53:20,058 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:53:20,058 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:53:20,062 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:53:20,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:53:19" (1/3) ... [2025-02-06 13:53:20,062 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b401a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:53:20, skipping insertion in model container [2025-02-06 13:53:20,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:53:19" (2/3) ... [2025-02-06 13:53:20,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b401a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:53:20, skipping insertion in model container [2025-02-06 13:53:20,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:53:20" (3/3) ... [2025-02-06 13:53:20,063 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound5.c [2025-02-06 13:53:20,073 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:53:20,074 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound5.c that has 2 procedures, 303 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-02-06 13:53:20,126 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:53:20,136 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;@77d92fa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:53:20,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-02-06 13:53:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 152 states have (on average 1.9342105263157894) internal successors, (294), 290 states have internal predecessors, (294), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-06 13:53:20,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:53:20,144 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:20,144 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:53:20,144 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:20,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:20,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1112422046, now seen corresponding path program 1 times [2025-02-06 13:53:20,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:20,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704116765] [2025-02-06 13:53:20,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:20,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:53:20,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:53:20,213 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:20,213 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:20,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:53:20,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:20,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704116765] [2025-02-06 13:53:20,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704116765] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:20,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:20,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:20,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733544431] [2025-02-06 13:53:20,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:20,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:53:20,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:20,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:53:20,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:53:20,266 INFO L87 Difference]: Start difference. First operand has 303 states, 152 states have (on average 1.9342105263157894) internal successors, (294), 290 states have internal predecessors, (294), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 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 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 13:53:20,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:20,301 INFO L93 Difference]: Finished difference Result 595 states and 638 transitions. [2025-02-06 13:53:20,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:53:20,304 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) Word has length 6 [2025-02-06 13:53:20,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:20,311 INFO L225 Difference]: With dead ends: 595 [2025-02-06 13:53:20,312 INFO L226 Difference]: Without dead ends: 289 [2025-02-06 13:53:20,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 13:53:20,318 INFO L435 NwaCegarLoop]: 305 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, 305 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 13:53:20,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:53:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-02-06 13:53:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2025-02-06 13:53:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 147 states have (on average 1.8911564625850341) internal successors, (278), 277 states have internal predecessors, (278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:53:20,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2025-02-06 13:53:20,368 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2025-02-06 13:53:20,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:20,370 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2025-02-06 13:53:20,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 13:53:20,371 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2025-02-06 13:53:20,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:53:20,371 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:20,371 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:53:20,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:53:20,371 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:20,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:20,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1112451837, now seen corresponding path program 1 times [2025-02-06 13:53:20,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:20,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589298782] [2025-02-06 13:53:20,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:20,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:53:20,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:53:20,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:20,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:20,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:53:20,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:20,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589298782] [2025-02-06 13:53:20,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589298782] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:20,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:20,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:20,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799660735] [2025-02-06 13:53:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:20,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:20,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:20,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:20,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:20,440 INFO L87 Difference]: Start difference. First operand 289 states and 298 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 13:53:20,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:20,606 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2025-02-06 13:53:20,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:20,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) Word has length 6 [2025-02-06 13:53:20,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:20,608 INFO L225 Difference]: With dead ends: 558 [2025-02-06 13:53:20,608 INFO L226 Difference]: Without dead ends: 538 [2025-02-06 13:53:20,609 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 13:53:20,609 INFO L435 NwaCegarLoop]: 272 mSDtfsCounter, 237 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:20,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 522 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2025-02-06 13:53:20,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2025-02-06 13:53:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 201 states have (on average 1.791044776119403) internal successors, (360), 331 states have internal predecessors, (360), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-06 13:53:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2025-02-06 13:53:20,640 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2025-02-06 13:53:20,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:20,640 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2025-02-06 13:53:20,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 13:53:20,640 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2025-02-06 13:53:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 13:53:20,641 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:20,641 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:20,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:53:20,641 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:20,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:20,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1718635059, now seen corresponding path program 1 times [2025-02-06 13:53:20,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:20,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846935146] [2025-02-06 13:53:20,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:20,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:53:20,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:53:20,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:20,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:20,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1238434448] [2025-02-06 13:53:20,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:20,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:20,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:20,666 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 13:53:20,672 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 13:53:20,696 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:53:20,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:53:20,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:20,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:20,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:20,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:20,812 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:20,813 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:20,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:20,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846935146] [2025-02-06 13:53:20,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:20,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238434448] [2025-02-06 13:53:20,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238434448] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:20,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:20,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:20,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987124149] [2025-02-06 13:53:20,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:20,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:20,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:20,815 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:20,815 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:20,815 INFO L87 Difference]: Start difference. First operand 348 states and 390 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:21,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:21,193 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2025-02-06 13:53:21,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:21,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2025-02-06 13:53:21,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:21,195 INFO L225 Difference]: With dead ends: 508 [2025-02-06 13:53:21,195 INFO L226 Difference]: Without dead ends: 453 [2025-02-06 13:53:21,195 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 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 13:53:21,196 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:21,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 269 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:21,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-02-06 13:53:21,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2025-02-06 13:53:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.6476868327402134) internal successors, (463), 411 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2025-02-06 13:53:21,207 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2025-02-06 13:53:21,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:21,207 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2025-02-06 13:53:21,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:21,208 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2025-02-06 13:53:21,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:53:21,208 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:21,208 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:21,214 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 13:53:21,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:21,409 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:21,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:21,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1954124267, now seen corresponding path program 1 times [2025-02-06 13:53:21,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:21,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386523282] [2025-02-06 13:53:21,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:21,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:21,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:53:21,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:53:21,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:21,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:21,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:21,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:21,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386523282] [2025-02-06 13:53:21,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386523282] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:21,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:21,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:21,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112275964] [2025-02-06 13:53:21,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:21,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:21,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:21,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:21,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:21,513 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:21,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:21,712 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2025-02-06 13:53:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:21,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2025-02-06 13:53:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:21,715 INFO L225 Difference]: With dead ends: 466 [2025-02-06 13:53:21,716 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:21,716 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 13:53:21,717 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 120 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:21,717 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 427 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:21,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:21,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:53:21,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5658362989323844) internal successors, (440), 411 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:21,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2025-02-06 13:53:21,736 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2025-02-06 13:53:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:21,738 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2025-02-06 13:53:21,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:21,739 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2025-02-06 13:53:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 13:53:21,739 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:21,739 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:21,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:53:21,740 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:21,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:21,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1012719113, now seen corresponding path program 1 times [2025-02-06 13:53:21,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:21,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547302459] [2025-02-06 13:53:21,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:21,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:21,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:53:21,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:53:21,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:21,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:21,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:21,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547302459] [2025-02-06 13:53:21,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547302459] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:21,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:21,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:21,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460464182] [2025-02-06 13:53:21,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:21,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:21,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:21,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:21,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:21,824 INFO L87 Difference]: Start difference. First operand 433 states and 480 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:22,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:22,311 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2025-02-06 13:53:22,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-02-06 13:53:22,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:22,313 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:53:22,313 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:22,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 13:53:22,314 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:22,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:22,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:53:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5587188612099645) internal successors, (438), 411 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2025-02-06 13:53:22,323 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2025-02-06 13:53:22,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:22,324 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2025-02-06 13:53:22,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2025-02-06 13:53:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:53:22,324 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:22,324 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:22,324 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:53:22,325 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:22,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:22,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1329521642, now seen corresponding path program 1 times [2025-02-06 13:53:22,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:22,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036929080] [2025-02-06 13:53:22,325 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:22,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:22,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:53:22,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:53:22,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:22,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:22,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:22,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036929080] [2025-02-06 13:53:22,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036929080] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:22,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:22,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:22,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573959935] [2025-02-06 13:53:22,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:22,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:22,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:22,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:22,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:22,433 INFO L87 Difference]: Start difference. First operand 433 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:23,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:23,587 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2025-02-06 13:53:23,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:23,587 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2025-02-06 13:53:23,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:23,589 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:53:23,589 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:23,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 13:53:23,590 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:23,590 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:53:23,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:23,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:53:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 411 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2025-02-06 13:53:23,616 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2025-02-06 13:53:23,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:23,617 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2025-02-06 13:53:23,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2025-02-06 13:53:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 13:53:23,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:23,618 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:23,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:53:23,618 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:23,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:23,618 INFO L85 PathProgramCache]: Analyzing trace with hash -408959419, now seen corresponding path program 1 times [2025-02-06 13:53:23,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:23,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139744140] [2025-02-06 13:53:23,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:23,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:23,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:53:23,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:53:23,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:23,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:23,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313277669] [2025-02-06 13:53:23,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:23,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:23,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:23,634 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 13:53:23,635 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 13:53:23,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:53:23,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:53:23,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:23,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:23,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:53:23,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:23,800 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:23,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:23,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139744140] [2025-02-06 13:53:23,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:23,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313277669] [2025-02-06 13:53:23,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313277669] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:23,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:23,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:23,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361202303] [2025-02-06 13:53:23,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:23,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:23,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:23,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:23,801 INFO L87 Difference]: Start difference. First operand 433 states and 476 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:24,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:24,102 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2025-02-06 13:53:24,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:24,102 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-02-06 13:53:24,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:24,104 INFO L225 Difference]: With dead ends: 450 [2025-02-06 13:53:24,104 INFO L226 Difference]: Without dead ends: 441 [2025-02-06 13:53:24,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 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 13:53:24,105 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:24,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:24,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-02-06 13:53:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2025-02-06 13:53:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 414 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2025-02-06 13:53:24,114 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2025-02-06 13:53:24,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:24,114 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2025-02-06 13:53:24,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2025-02-06 13:53:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 13:53:24,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:24,115 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:24,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:24,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:24,319 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:24,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:24,319 INFO L85 PathProgramCache]: Analyzing trace with hash 207160102, now seen corresponding path program 1 times [2025-02-06 13:53:24,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:24,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937785804] [2025-02-06 13:53:24,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:24,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:24,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:53:24,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:53:24,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:24,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:24,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:24,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:24,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937785804] [2025-02-06 13:53:24,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937785804] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:24,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:24,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:24,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765185777] [2025-02-06 13:53:24,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:24,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:24,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:24,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:24,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:24,392 INFO L87 Difference]: Start difference. First operand 436 states and 473 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:24,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:24,668 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2025-02-06 13:53:24,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:24,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-02-06 13:53:24,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:24,670 INFO L225 Difference]: With dead ends: 449 [2025-02-06 13:53:24,670 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:53:24,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 13:53:24,671 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:24,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 307 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:53:24,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:53:24,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2025-02-06 13:53:24,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5035211267605635) internal successors, (427), 414 states have internal predecessors, (427), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 13:53:24,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2025-02-06 13:53:24,680 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2025-02-06 13:53:24,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:24,680 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2025-02-06 13:53:24,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:24,680 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2025-02-06 13:53:24,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:53:24,680 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:24,680 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:24,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:53:24,681 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:24,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:24,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1687511650, now seen corresponding path program 1 times [2025-02-06 13:53:24,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:24,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263797026] [2025-02-06 13:53:24,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:24,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:24,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:53:24,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:53:24,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:24,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 13:53:24,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:24,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263797026] [2025-02-06 13:53:24,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [263797026] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:24,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:24,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:24,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342259257] [2025-02-06 13:53:24,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:24,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:24,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:24,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:24,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:24,773 INFO L87 Difference]: Start difference. First operand 436 states and 467 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:25,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:25,201 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2025-02-06 13:53:25,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:25,201 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2025-02-06 13:53:25,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:25,202 INFO L225 Difference]: With dead ends: 447 [2025-02-06 13:53:25,202 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 13:53:25,203 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 13:53:25,203 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 119 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:25,203 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 351 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:25,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 13:53:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2025-02-06 13:53:25,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 221 states have (on average 1.6199095022624435) internal successors, (358), 351 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2025-02-06 13:53:25,214 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2025-02-06 13:53:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:25,214 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2025-02-06 13:53:25,214 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 13:53:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2025-02-06 13:53:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-06 13:53:25,215 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:25,215 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:25,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:53:25,217 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:25,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:25,217 INFO L85 PathProgramCache]: Analyzing trace with hash -726501121, now seen corresponding path program 1 times [2025-02-06 13:53:25,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:25,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591136171] [2025-02-06 13:53:25,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:25,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:25,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 13:53:25,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 13:53:25,228 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:25,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:25,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:25,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591136171] [2025-02-06 13:53:25,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591136171] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:25,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:25,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:25,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679952451] [2025-02-06 13:53:25,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:25,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:25,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:25,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:25,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:25,296 INFO L87 Difference]: Start difference. First operand 370 states and 392 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:25,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:25,517 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2025-02-06 13:53:25,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:25,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-02-06 13:53:25,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:25,519 INFO L225 Difference]: With dead ends: 370 [2025-02-06 13:53:25,519 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:53:25,519 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 13:53:25,519 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:25,519 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:53:25,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-06 13:53:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-02-06 13:53:25,526 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-02-06 13:53:25,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:25,527 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-02-06 13:53:25,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:25,527 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-02-06 13:53:25,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 13:53:25,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:25,528 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:25,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:53:25,528 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:25,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:25,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1046698124, now seen corresponding path program 1 times [2025-02-06 13:53:25,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:25,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602876883] [2025-02-06 13:53:25,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:25,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:25,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 13:53:25,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 13:53:25,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:25,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:25,591 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:25,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:25,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602876883] [2025-02-06 13:53:25,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602876883] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:25,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:25,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:25,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040802508] [2025-02-06 13:53:25,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:25,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:25,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:25,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:25,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:25,592 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:25,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:25,830 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2025-02-06 13:53:25,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:25,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-02-06 13:53:25,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:25,831 INFO L225 Difference]: With dead ends: 370 [2025-02-06 13:53:25,831 INFO L226 Difference]: Without dead ends: 369 [2025-02-06 13:53:25,832 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 13:53:25,832 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:25,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:25,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-02-06 13:53:25,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2025-02-06 13:53:25,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 223 states have (on average 1.5829596412556053) internal successors, (353), 346 states have internal predecessors, (353), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2025-02-06 13:53:25,839 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2025-02-06 13:53:25,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:25,839 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2025-02-06 13:53:25,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2025-02-06 13:53:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:53:25,840 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:25,840 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:25,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 13:53:25,840 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:25,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:25,841 INFO L85 PathProgramCache]: Analyzing trace with hash -859071722, now seen corresponding path program 1 times [2025-02-06 13:53:25,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:25,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982542300] [2025-02-06 13:53:25,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:25,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:25,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:53:25,850 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:53:25,850 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:25,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:25,890 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:25,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:25,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982542300] [2025-02-06 13:53:25,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982542300] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:25,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:25,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:25,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258823510] [2025-02-06 13:53:25,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:25,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:25,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:25,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:25,891 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:25,891 INFO L87 Difference]: Start difference. First operand 365 states and 387 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-06 13:53:25,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:25,952 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2025-02-06 13:53:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:25,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2025-02-06 13:53:25,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:25,953 INFO L225 Difference]: With dead ends: 365 [2025-02-06 13:53:25,953 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:53:25,953 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 13:53:25,954 INFO L435 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:25,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:25,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:53:25,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-06 13:53:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 344 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2025-02-06 13:53:25,961 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2025-02-06 13:53:25,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:25,962 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2025-02-06 13:53:25,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-06 13:53:25,962 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2025-02-06 13:53:25,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:53:25,962 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:25,962 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:25,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:53:25,963 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:25,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:25,963 INFO L85 PathProgramCache]: Analyzing trace with hash -861419472, now seen corresponding path program 1 times [2025-02-06 13:53:25,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:25,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810690010] [2025-02-06 13:53:25,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:25,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:25,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:53:25,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:53:25,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:25,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:26,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:26,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810690010] [2025-02-06 13:53:26,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810690010] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:26,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:26,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:53:26,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353743441] [2025-02-06 13:53:26,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:26,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:26,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:26,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:26,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:26,030 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 13:53:26,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:26,149 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2025-02-06 13:53:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:26,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 88 [2025-02-06 13:53:26,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:26,150 INFO L225 Difference]: With dead ends: 367 [2025-02-06 13:53:26,150 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:53:26,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:26,151 INFO L435 NwaCegarLoop]: 250 mSDtfsCounter, 48 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:26,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 719 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:26,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:53:26,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2025-02-06 13:53:26,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 342 states have internal predecessors, (345), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:26,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2025-02-06 13:53:26,158 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2025-02-06 13:53:26,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:26,158 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2025-02-06 13:53:26,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 13:53:26,158 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2025-02-06 13:53:26,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:53:26,159 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:26,159 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:26,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 13:53:26,159 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:26,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:26,159 INFO L85 PathProgramCache]: Analyzing trace with hash -854541518, now seen corresponding path program 1 times [2025-02-06 13:53:26,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:26,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617206040] [2025-02-06 13:53:26,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:26,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:26,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:53:26,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:53:26,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:26,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:26,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:26,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617206040] [2025-02-06 13:53:26,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617206040] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:26,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738275891] [2025-02-06 13:53:26,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:26,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:26,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:26,225 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 13:53:26,226 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 13:53:26,246 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:53:26,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:53:26,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:26,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:26,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:53:26,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:26,321 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:53:26,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738275891] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:26,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:26,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:53:26,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596389759] [2025-02-06 13:53:26,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:26,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:26,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:26,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:26,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:26,322 INFO L87 Difference]: Start difference. First operand 361 states and 379 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:26,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:26,403 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2025-02-06 13:53:26,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:26,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2025-02-06 13:53:26,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:26,405 INFO L225 Difference]: With dead ends: 363 [2025-02-06 13:53:26,405 INFO L226 Difference]: Without dead ends: 355 [2025-02-06 13:53:26,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:26,405 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 420 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:26,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 367 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:26,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-06 13:53:26,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2025-02-06 13:53:26,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 334 states have internal predecessors, (337), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 13:53:26,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2025-02-06 13:53:26,412 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2025-02-06 13:53:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:26,412 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2025-02-06 13:53:26,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 13:53:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2025-02-06 13:53:26,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:53:26,413 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:26,413 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:26,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:26,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:26,617 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:26,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:26,618 INFO L85 PathProgramCache]: Analyzing trace with hash -720983024, now seen corresponding path program 1 times [2025-02-06 13:53:26,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:26,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639462114] [2025-02-06 13:53:26,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:26,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:26,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:53:26,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:53:26,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:26,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:26,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639462114] [2025-02-06 13:53:26,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639462114] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:26,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35701324] [2025-02-06 13:53:26,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:26,697 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 13:53:26,698 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 13:53:26,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:53:26,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:53:26,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:26,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:26,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:53:26,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:26,857 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:26,857 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:26,996 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 13:53:26,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35701324] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:26,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:26,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:53:26,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604936010] [2025-02-06 13:53:26,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:26,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:26,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:26,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:26,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:26,998 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 13:53:27,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:27,156 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2025-02-06 13:53:27,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:27,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 88 [2025-02-06 13:53:27,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:27,159 INFO L225 Difference]: With dead ends: 614 [2025-02-06 13:53:27,159 INFO L226 Difference]: Without dead ends: 606 [2025-02-06 13:53:27,159 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:27,160 INFO L435 NwaCegarLoop]: 243 mSDtfsCounter, 447 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:27,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 978 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:27,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2025-02-06 13:53:27,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2025-02-06 13:53:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 389 states have internal predecessors, (427), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-06 13:53:27,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2025-02-06 13:53:27,175 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2025-02-06 13:53:27,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:27,176 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2025-02-06 13:53:27,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-06 13:53:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2025-02-06 13:53:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:53:27,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:27,178 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:27,183 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 13:53:27,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-06 13:53:27,382 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:27,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:27,382 INFO L85 PathProgramCache]: Analyzing trace with hash -188969461, now seen corresponding path program 1 times [2025-02-06 13:53:27,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:27,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504319474] [2025-02-06 13:53:27,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:27,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:27,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:53:27,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:53:27,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:27,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:27,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [617648177] [2025-02-06 13:53:27,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:27,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:27,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:27,406 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 13:53:27,408 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 13:53:27,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:53:27,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:53:27,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:27,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:27,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:27,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:27,507 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:27,507 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 13:53:27,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:27,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504319474] [2025-02-06 13:53:27,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:27,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617648177] [2025-02-06 13:53:27,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617648177] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:27,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:27,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-06 13:53:27,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869443029] [2025-02-06 13:53:27,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:27,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:27,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:27,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:27,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:53:27,638 INFO L87 Difference]: Start difference. First operand 413 states and 471 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:53:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:27,780 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2025-02-06 13:53:27,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:27,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 99 [2025-02-06 13:53:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:27,783 INFO L225 Difference]: With dead ends: 616 [2025-02-06 13:53:27,783 INFO L226 Difference]: Without dead ends: 611 [2025-02-06 13:53:27,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:27,784 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:27,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2025-02-06 13:53:27,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2025-02-06 13:53:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 290 states have (on average 1.4724137931034482) internal successors, (427), 393 states have internal predecessors, (427), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-06 13:53:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2025-02-06 13:53:27,811 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2025-02-06 13:53:27,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:27,811 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2025-02-06 13:53:27,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 13:53:27,811 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2025-02-06 13:53:27,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:53:27,812 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:27,812 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:53:27,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:28,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-02-06 13:53:28,012 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:28,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:28,013 INFO L85 PathProgramCache]: Analyzing trace with hash -709118160, now seen corresponding path program 1 times [2025-02-06 13:53:28,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:28,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985568567] [2025-02-06 13:53:28,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:28,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:28,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:53:28,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:53:28,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:28,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:28,143 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 13:53:28,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:28,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985568567] [2025-02-06 13:53:28,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985568567] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:28,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:28,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:53:28,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391884454] [2025-02-06 13:53:28,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:28,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:28,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:28,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:28,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:28,144 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 13:53:28,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:28,308 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2025-02-06 13:53:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:28,308 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 104 [2025-02-06 13:53:28,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:28,310 INFO L225 Difference]: With dead ends: 424 [2025-02-06 13:53:28,310 INFO L226 Difference]: Without dead ends: 398 [2025-02-06 13:53:28,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:28,310 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 229 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:28,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 430 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:28,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2025-02-06 13:53:28,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2025-02-06 13:53:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 272 states have (on average 1.4963235294117647) internal successors, (407), 375 states have internal predecessors, (407), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-06 13:53:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 449 transitions. [2025-02-06 13:53:28,321 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 449 transitions. Word has length 104 [2025-02-06 13:53:28,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:28,321 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 449 transitions. [2025-02-06 13:53:28,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 13:53:28,321 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 449 transitions. [2025-02-06 13:53:28,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 13:53:28,321 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:28,321 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2025-02-06 13:53:28,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 13:53:28,321 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:28,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:28,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1830600648, now seen corresponding path program 1 times [2025-02-06 13:53:28,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:28,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035525634] [2025-02-06 13:53:28,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:28,328 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:53:28,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:53:28,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:28,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1212429908] [2025-02-06 13:53:28,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:28,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:28,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:28,339 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 13:53:28,341 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 13:53:28,367 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:53:28,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:53:28,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:28,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:28,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:53:28,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:28,717 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:28,717 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:28,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:28,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035525634] [2025-02-06 13:53:28,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:28,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1212429908] [2025-02-06 13:53:28,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1212429908] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:28,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:28,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:28,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045847873] [2025-02-06 13:53:28,970 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:28,971 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:28,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:28,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:28,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:28,972 INFO L87 Difference]: Start difference. First operand 398 states and 449 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:29,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:29,579 INFO L93 Difference]: Finished difference Result 526 states and 614 transitions. [2025-02-06 13:53:29,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:29,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2025-02-06 13:53:29,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:29,582 INFO L225 Difference]: With dead ends: 526 [2025-02-06 13:53:29,582 INFO L226 Difference]: Without dead ends: 501 [2025-02-06 13:53:29,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:29,582 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 133 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:29,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 411 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:53:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-02-06 13:53:29,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 483. [2025-02-06 13:53:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 352 states have (on average 1.5056818181818181) internal successors, (530), 455 states have internal predecessors, (530), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 582 transitions. [2025-02-06 13:53:29,593 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 582 transitions. Word has length 120 [2025-02-06 13:53:29,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:29,594 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 582 transitions. [2025-02-06 13:53:29,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:29,594 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 582 transitions. [2025-02-06 13:53:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:53:29,595 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:29,595 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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 13:53:29,608 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 13:53:29,795 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,SelfDestructingSolverStorable17 [2025-02-06 13:53:29,796 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:29,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:29,796 INFO L85 PathProgramCache]: Analyzing trace with hash -914045021, now seen corresponding path program 1 times [2025-02-06 13:53:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:29,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982859052] [2025-02-06 13:53:29,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:29,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:29,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:53:29,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:53:29,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:29,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:29,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1459356436] [2025-02-06 13:53:29,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:29,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:29,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:29,821 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 13:53:29,822 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 13:53:29,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:53:29,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:53:29,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:29,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:29,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:53:29,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:30,092 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:30,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:30,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982859052] [2025-02-06 13:53:30,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:30,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459356436] [2025-02-06 13:53:30,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459356436] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:30,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:30,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:30,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446559392] [2025-02-06 13:53:30,456 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:30,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:30,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:30,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:30,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:30,458 INFO L87 Difference]: Start difference. First operand 483 states and 582 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:30,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:30,920 INFO L93 Difference]: Finished difference Result 518 states and 589 transitions. [2025-02-06 13:53:30,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:30,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 121 [2025-02-06 13:53:30,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:30,922 INFO L225 Difference]: With dead ends: 518 [2025-02-06 13:53:30,922 INFO L226 Difference]: Without dead ends: 501 [2025-02-06 13:53:30,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:30,923 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 131 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:30,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 428 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:30,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-02-06 13:53:30,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 483. [2025-02-06 13:53:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 352 states have (on average 1.4573863636363635) internal successors, (513), 455 states have internal predecessors, (513), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 565 transitions. [2025-02-06 13:53:30,934 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 565 transitions. Word has length 121 [2025-02-06 13:53:30,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:30,961 INFO L471 AbstractCegarLoop]: Abstraction has 483 states and 565 transitions. [2025-02-06 13:53:30,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 565 transitions. [2025-02-06 13:53:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 13:53:30,962 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:30,963 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 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 13:53:30,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:31,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:31,164 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:31,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:31,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1729375638, now seen corresponding path program 1 times [2025-02-06 13:53:31,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:31,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816828537] [2025-02-06 13:53:31,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:31,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:31,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:53:31,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:53:31,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:31,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:31,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816828537] [2025-02-06 13:53:31,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816828537] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:31,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851851806] [2025-02-06 13:53:31,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:31,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:31,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:31,271 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 13:53:31,277 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 13:53:31,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:53:31,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:53:31,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:31,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:31,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:31,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:31,476 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:31,592 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:31,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851851806] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:31,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:31,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-06 13:53:31,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533824511] [2025-02-06 13:53:31,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:31,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:31,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:31,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:31,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:31,595 INFO L87 Difference]: Start difference. First operand 483 states and 565 transitions. Second operand has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:32,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:32,007 INFO L93 Difference]: Finished difference Result 500 states and 572 transitions. [2025-02-06 13:53:32,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:32,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2025-02-06 13:53:32,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:32,009 INFO L225 Difference]: With dead ends: 500 [2025-02-06 13:53:32,009 INFO L226 Difference]: Without dead ends: 495 [2025-02-06 13:53:32,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:32,010 INFO L435 NwaCegarLoop]: 199 mSDtfsCounter, 461 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:32,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 486 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:32,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-06 13:53:32,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 479. [2025-02-06 13:53:32,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 352 states have (on average 1.4318181818181819) internal successors, (504), 451 states have internal predecessors, (504), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 556 transitions. [2025-02-06 13:53:32,057 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 556 transitions. Word has length 122 [2025-02-06 13:53:32,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:32,057 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 556 transitions. [2025-02-06 13:53:32,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.285714285714285) internal successors, (219), 8 states have internal predecessors, (219), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 556 transitions. [2025-02-06 13:53:32,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 13:53:32,058 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:32,058 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 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 13:53:32,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:53:32,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:32,259 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:32,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:32,259 INFO L85 PathProgramCache]: Analyzing trace with hash 2071037441, now seen corresponding path program 1 times [2025-02-06 13:53:32,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:32,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820657324] [2025-02-06 13:53:32,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:32,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:32,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:53:32,270 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:53:32,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:32,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:32,335 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:32,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:32,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820657324] [2025-02-06 13:53:32,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820657324] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:32,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691330586] [2025-02-06 13:53:32,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:32,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:32,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:32,338 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 13:53:32,347 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 13:53:32,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:53:32,381 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:53:32,381 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:32,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:32,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:32,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:32,520 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:32,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:32,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [691330586] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:32,635 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:32,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-06 13:53:32,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161541655] [2025-02-06 13:53:32,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:32,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:32,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:32,636 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:32,636 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:32,637 INFO L87 Difference]: Start difference. First operand 479 states and 556 transitions. Second operand has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:33,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:33,057 INFO L93 Difference]: Finished difference Result 496 states and 563 transitions. [2025-02-06 13:53:33,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:33,061 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 123 [2025-02-06 13:53:33,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:33,062 INFO L225 Difference]: With dead ends: 496 [2025-02-06 13:53:33,062 INFO L226 Difference]: Without dead ends: 491 [2025-02-06 13:53:33,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:33,063 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 458 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:33,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 495 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:33,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-02-06 13:53:33,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 475. [2025-02-06 13:53:33,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 352 states have (on average 1.40625) internal successors, (495), 447 states have internal predecessors, (495), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:33,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 547 transitions. [2025-02-06 13:53:33,113 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 547 transitions. Word has length 123 [2025-02-06 13:53:33,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:33,113 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 547 transitions. [2025-02-06 13:53:33,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.571428571428573) internal successors, (221), 8 states have internal predecessors, (221), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-06 13:53:33,113 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 547 transitions. [2025-02-06 13:53:33,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 13:53:33,114 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:33,114 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 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 13:53:33,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:33,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:33,320 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:33,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:33,320 INFO L85 PathProgramCache]: Analyzing trace with hash -222348556, now seen corresponding path program 1 times [2025-02-06 13:53:33,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:33,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033026188] [2025-02-06 13:53:33,320 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:33,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:33,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:53:33,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:53:33,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:33,341 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:33,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [532223066] [2025-02-06 13:53:33,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:33,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:33,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:33,344 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 13:53:33,353 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 13:53:33,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:53:33,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:53:33,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:33,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:33,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:53:33,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:33,701 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:33,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:33,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033026188] [2025-02-06 13:53:33,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:33,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532223066] [2025-02-06 13:53:33,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532223066] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:33,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:33,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:53:33,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908192526] [2025-02-06 13:53:33,844 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:33,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:33,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:33,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:33,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:33,845 INFO L87 Difference]: Start difference. First operand 475 states and 547 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:34,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:34,409 INFO L93 Difference]: Finished difference Result 496 states and 554 transitions. [2025-02-06 13:53:34,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:34,410 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2025-02-06 13:53:34,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:34,411 INFO L225 Difference]: With dead ends: 496 [2025-02-06 13:53:34,411 INFO L226 Difference]: Without dead ends: 481 [2025-02-06 13:53:34,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:34,412 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 114 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:34,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 400 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1054 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:53:34,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2025-02-06 13:53:34,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 478. [2025-02-06 13:53:34,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 355 states have (on average 1.3690140845070422) internal successors, (486), 450 states have internal predecessors, (486), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 538 transitions. [2025-02-06 13:53:34,426 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 538 transitions. Word has length 124 [2025-02-06 13:53:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:34,426 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 538 transitions. [2025-02-06 13:53:34,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 13:53:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 538 transitions. [2025-02-06 13:53:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 13:53:34,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:34,427 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 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 13:53:34,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:53:34,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:34,628 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:34,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:34,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1697129567, now seen corresponding path program 1 times [2025-02-06 13:53:34,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:34,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243851472] [2025-02-06 13:53:34,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:34,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:53:34,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:53:34,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:34,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243851472] [2025-02-06 13:53:34,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243851472] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [181167724] [2025-02-06 13:53:34,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:34,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:34,711 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 13:53:34,716 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 13:53:34,736 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:53:34,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:53:34,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:53:34,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:34,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:35,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [181167724] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:35,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:35,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2025-02-06 13:53:35,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72691603] [2025-02-06 13:53:35,026 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:35,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:35,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:35,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:35,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:35,027 INFO L87 Difference]: Start difference. First operand 478 states and 538 transitions. Second operand has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 8 states have internal predecessors, (148), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:53:35,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:35,709 INFO L93 Difference]: Finished difference Result 493 states and 539 transitions. [2025-02-06 13:53:35,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:35,709 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 8 states have internal predecessors, (148), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 125 [2025-02-06 13:53:35,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:35,711 INFO L225 Difference]: With dead ends: 493 [2025-02-06 13:53:35,711 INFO L226 Difference]: Without dead ends: 491 [2025-02-06 13:53:35,711 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:53:35,712 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 285 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:35,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 528 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:53:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2025-02-06 13:53:35,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 478. [2025-02-06 13:53:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 355 states have (on average 1.3633802816901408) internal successors, (484), 450 states have internal predecessors, (484), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 536 transitions. [2025-02-06 13:53:35,728 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 536 transitions. Word has length 125 [2025-02-06 13:53:35,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:35,729 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 536 transitions. [2025-02-06 13:53:35,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.142857142857142) internal successors, (148), 8 states have internal predecessors, (148), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:53:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 536 transitions. [2025-02-06 13:53:35,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 13:53:35,731 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:35,731 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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 13:53:35,737 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 13:53:35,935 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,SelfDestructingSolverStorable22 [2025-02-06 13:53:35,935 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:35,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:35,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1844248293, now seen corresponding path program 1 times [2025-02-06 13:53:35,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:35,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958956511] [2025-02-06 13:53:35,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:35,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:35,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 13:53:35,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 13:53:35,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:35,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:36,024 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:36,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958956511] [2025-02-06 13:53:36,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958956511] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:36,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273582090] [2025-02-06 13:53:36,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:36,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:36,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:36,028 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 13:53:36,029 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 13:53:36,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 13:53:36,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 13:53:36,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:36,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:36,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:53:36,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:36,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:36,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273582090] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:36,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:36,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-02-06 13:53:36,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352112410] [2025-02-06 13:53:36,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:36,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:53:36,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:36,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:53:36,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:36,621 INFO L87 Difference]: Start difference. First operand 478 states and 536 transitions. Second operand has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:53:38,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:38,266 INFO L93 Difference]: Finished difference Result 478 states and 536 transitions. [2025-02-06 13:53:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:53:38,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 129 [2025-02-06 13:53:38,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:38,268 INFO L225 Difference]: With dead ends: 478 [2025-02-06 13:53:38,268 INFO L226 Difference]: Without dead ends: 450 [2025-02-06 13:53:38,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:53:38,269 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 486 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:38,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 371 Invalid, 993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-06 13:53:38,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-02-06 13:53:38,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2025-02-06 13:53:38,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 355 states have (on average 1.2704225352112677) internal successors, (451), 422 states have internal predecessors, (451), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 13:53:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 503 transitions. [2025-02-06 13:53:38,281 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 503 transitions. Word has length 129 [2025-02-06 13:53:38,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,281 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 503 transitions. [2025-02-06 13:53:38,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.25) internal successors, (178), 9 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:53:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 503 transitions. [2025-02-06 13:53:38,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 13:53:38,283 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,284 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 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 13:53:38,290 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 13:53:38,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:38,484 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:38,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:38,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1619353047, now seen corresponding path program 1 times [2025-02-06 13:53:38,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:38,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620639315] [2025-02-06 13:53:38,485 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:38,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 13:53:38,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 13:53:38,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:38,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:38,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620639315] [2025-02-06 13:53:38,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620639315] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:38,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807582131] [2025-02-06 13:53:38,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:38,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:38,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:38,583 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 13:53:38,584 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 13:53:38,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 13:53:38,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 13:53:38,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:38,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:53:38,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 13:53:39,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:39,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807582131] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:39,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:39,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-02-06 13:53:39,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307178783] [2025-02-06 13:53:39,604 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:39,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:39,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:39,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:39,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:53:39,605 INFO L87 Difference]: Start difference. First operand 450 states and 503 transitions. Second operand has 11 states, 10 states have (on average 18.6) internal successors, (186), 11 states have internal predecessors, (186), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:53:40,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:40,495 INFO L93 Difference]: Finished difference Result 450 states and 503 transitions. [2025-02-06 13:53:40,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:53:40,497 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 18.6) internal successors, (186), 11 states have internal predecessors, (186), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 133 [2025-02-06 13:53:40,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:40,498 INFO L225 Difference]: With dead ends: 450 [2025-02-06 13:53:40,498 INFO L226 Difference]: Without dead ends: 410 [2025-02-06 13:53:40,499 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:53:40,499 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 565 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:40,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 399 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:53:40,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-02-06 13:53:40,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2025-02-06 13:53:40,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 327 states have (on average 1.2507645259938838) internal successors, (409), 384 states have internal predecessors, (409), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 13:53:40,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 457 transitions. [2025-02-06 13:53:40,514 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 457 transitions. Word has length 133 [2025-02-06 13:53:40,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:40,518 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 457 transitions. [2025-02-06 13:53:40,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 18.6) internal successors, (186), 11 states have internal predecessors, (186), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:53:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 457 transitions. [2025-02-06 13:53:40,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-02-06 13:53:40,519 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:40,519 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 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, 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] [2025-02-06 13:53:40,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 13:53:40,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:40,720 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:40,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1128365597, now seen corresponding path program 1 times [2025-02-06 13:53:40,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:40,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357114875] [2025-02-06 13:53:40,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:40,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-06 13:53:40,733 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-06 13:53:40,733 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:40,733 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2025-02-06 13:53:40,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:40,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357114875] [2025-02-06 13:53:40,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357114875] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:40,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:40,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:53:40,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473716744] [2025-02-06 13:53:40,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:40,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:53:40,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:40,770 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:53:40,770 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:53:40,770 INFO L87 Difference]: Start difference. First operand 410 states and 457 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 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 13:53:41,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:41,018 INFO L93 Difference]: Finished difference Result 410 states and 457 transitions. [2025-02-06 13:53:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:41,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 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 162 [2025-02-06 13:53:41,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:41,020 INFO L225 Difference]: With dead ends: 410 [2025-02-06 13:53:41,020 INFO L226 Difference]: Without dead ends: 409 [2025-02-06 13:53:41,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:53:41,020 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 274 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:41,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 185 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:41,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-06 13:53:41,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2025-02-06 13:53:41,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 327 states have (on average 1.2446483180428134) internal successors, (407), 383 states have internal predecessors, (407), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 13:53:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 455 transitions. [2025-02-06 13:53:41,029 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 455 transitions. Word has length 162 [2025-02-06 13:53:41,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:41,029 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 455 transitions. [2025-02-06 13:53:41,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 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 13:53:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 455 transitions. [2025-02-06 13:53:41,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-06 13:53:41,030 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:41,030 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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 13:53:41,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-02-06 13:53:41,030 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:41,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1160375589, now seen corresponding path program 1 times [2025-02-06 13:53:41,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:41,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890688178] [2025-02-06 13:53:41,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:41,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 13:53:41,040 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 13:53:41,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:41,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:41,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:41,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890688178] [2025-02-06 13:53:41,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890688178] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:41,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959859584] [2025-02-06 13:53:41,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:41,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:41,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:41,092 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 13:53:41,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 13:53:41,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-06 13:53:41,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-06 13:53:41,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:41,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:41,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:41,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:41,271 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:41,417 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:41,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [959859584] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:41,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:41,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-06 13:53:41,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609145340] [2025-02-06 13:53:41,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:41,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:53:41,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:41,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:53:41,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:53:41,418 INFO L87 Difference]: Start difference. First operand 409 states and 455 transitions. Second operand has 9 states, 8 states have (on average 34.875) internal successors, (279), 9 states have internal predecessors, (279), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-06 13:53:41,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:41,682 INFO L93 Difference]: Finished difference Result 437 states and 464 transitions. [2025-02-06 13:53:41,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:53:41,682 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.875) internal successors, (279), 9 states have internal predecessors, (279), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 169 [2025-02-06 13:53:41,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:41,684 INFO L225 Difference]: With dead ends: 437 [2025-02-06 13:53:41,684 INFO L226 Difference]: Without dead ends: 435 [2025-02-06 13:53:41,684 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:53:41,684 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 582 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:41,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [582 Valid, 571 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2025-02-06 13:53:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 407. [2025-02-06 13:53:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.2324159021406729) internal successors, (403), 381 states have internal predecessors, (403), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 13:53:41,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 451 transitions. [2025-02-06 13:53:41,693 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 451 transitions. Word has length 169 [2025-02-06 13:53:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:41,694 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 451 transitions. [2025-02-06 13:53:41,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.875) internal successors, (279), 9 states have internal predecessors, (279), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-06 13:53:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 451 transitions. [2025-02-06 13:53:41,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-06 13:53:41,694 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:41,695 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 1] [2025-02-06 13:53:41,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:41,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 13:53:41,895 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:41,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:41,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1611905023, now seen corresponding path program 1 times [2025-02-06 13:53:41,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:41,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319269688] [2025-02-06 13:53:41,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:41,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:41,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 13:53:41,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 13:53:41,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:41,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:41,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851960103] [2025-02-06 13:53:41,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:41,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:41,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:41,923 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 13:53:41,928 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 13:53:41,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 13:53:41,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 13:53:41,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:41,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:41,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:53:41,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:42,275 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:42,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:42,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:42,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319269688] [2025-02-06 13:53:42,771 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:42,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851960103] [2025-02-06 13:53:42,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851960103] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:42,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:42,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:42,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673442591] [2025-02-06 13:53:42,771 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:42,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:42,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:42,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:42,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:42,772 INFO L87 Difference]: Start difference. First operand 407 states and 451 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:53:43,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:43,183 INFO L93 Difference]: Finished difference Result 408 states and 451 transitions. [2025-02-06 13:53:43,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:43,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 170 [2025-02-06 13:53:43,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:43,184 INFO L225 Difference]: With dead ends: 408 [2025-02-06 13:53:43,185 INFO L226 Difference]: Without dead ends: 407 [2025-02-06 13:53:43,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:43,185 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 58 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:43,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 372 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:43,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-06 13:53:43,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-02-06 13:53:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.2293577981651376) internal successors, (402), 381 states have internal predecessors, (402), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 13:53:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 450 transitions. [2025-02-06 13:53:43,193 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 450 transitions. Word has length 170 [2025-02-06 13:53:43,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:43,194 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 450 transitions. [2025-02-06 13:53:43,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-06 13:53:43,194 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 450 transitions. [2025-02-06 13:53:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 13:53:43,194 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:43,195 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 1, 1] [2025-02-06 13:53:43,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 13:53:43,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 13:53:43,399 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:43,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:43,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1570551709, now seen corresponding path program 1 times [2025-02-06 13:53:43,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:43,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668589272] [2025-02-06 13:53:43,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:43,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 13:53:43,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 13:53:43,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:43,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:43,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [696074385] [2025-02-06 13:53:43,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:43,420 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 13:53:43,423 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 13:53:43,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 13:53:43,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 13:53:43,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:43,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:43,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:53:43,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:43,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:43,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:43,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668589272] [2025-02-06 13:53:43,866 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:43,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696074385] [2025-02-06 13:53:43,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696074385] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:43,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:43,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:53:43,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560190461] [2025-02-06 13:53:43,867 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:43,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:43,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:43,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:43,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:43,867 INFO L87 Difference]: Start difference. First operand 407 states and 450 transitions. Second operand has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 13:53:44,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:44,294 INFO L93 Difference]: Finished difference Result 418 states and 450 transitions. [2025-02-06 13:53:44,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:44,295 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 171 [2025-02-06 13:53:44,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:44,296 INFO L225 Difference]: With dead ends: 418 [2025-02-06 13:53:44,296 INFO L226 Difference]: Without dead ends: 417 [2025-02-06 13:53:44,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:44,296 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 117 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:44,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 446 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 849 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-02-06 13:53:44,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 407. [2025-02-06 13:53:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.2262996941896025) internal successors, (401), 381 states have internal predecessors, (401), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 13:53:44,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 449 transitions. [2025-02-06 13:53:44,313 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 449 transitions. Word has length 171 [2025-02-06 13:53:44,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:44,313 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 449 transitions. [2025-02-06 13:53:44,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.8) internal successors, (119), 6 states have internal predecessors, (119), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 13:53:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 449 transitions. [2025-02-06 13:53:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-06 13:53:44,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:44,318 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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, 1, 1, 1, 1, 1] [2025-02-06 13:53:44,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-06 13:53:44,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 13:53:44,519 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:44,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:44,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1067886843, now seen corresponding path program 1 times [2025-02-06 13:53:44,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:44,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070910839] [2025-02-06 13:53:44,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:44,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:44,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 13:53:44,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 13:53:44,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:44,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:44,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398121391] [2025-02-06 13:53:44,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:44,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:44,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:44,552 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 13:53:44,553 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 13:53:44,579 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 13:53:44,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 13:53:44,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:44,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:44,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:53:44,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:45,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:46,211 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 13:53:46,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070910839] [2025-02-06 13:53:46,212 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:46,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398121391] [2025-02-06 13:53:46,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398121391] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:46,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:46,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-02-06 13:53:46,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855625536] [2025-02-06 13:53:46,212 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:46,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:46,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:46,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:46,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:46,213 INFO L87 Difference]: Start difference. First operand 407 states and 449 transitions. Second operand has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-06 13:53:47,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:47,849 INFO L93 Difference]: Finished difference Result 415 states and 449 transitions. [2025-02-06 13:53:47,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:53:47,849 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 174 [2025-02-06 13:53:47,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:47,851 INFO L225 Difference]: With dead ends: 415 [2025-02-06 13:53:47,851 INFO L226 Difference]: Without dead ends: 407 [2025-02-06 13:53:47,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:53:47,851 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 546 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 1483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:47,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 309 Invalid, 1483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 13:53:47,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-06 13:53:47,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-02-06 13:53:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.201834862385321) internal successors, (393), 381 states have internal predecessors, (393), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 13:53:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 441 transitions. [2025-02-06 13:53:47,862 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 441 transitions. Word has length 174 [2025-02-06 13:53:47,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:47,862 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 441 transitions. [2025-02-06 13:53:47,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.0) internal successors, (240), 11 states have internal predecessors, (240), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-06 13:53:47,863 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 441 transitions. [2025-02-06 13:53:47,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 13:53:47,863 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:47,863 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:53:47,873 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 13:53:48,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:48,068 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:48,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:48,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1835273315, now seen corresponding path program 1 times [2025-02-06 13:53:48,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:48,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829697892] [2025-02-06 13:53:48,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:48,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 13:53:48,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 13:53:48,094 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,094 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:48,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1329996058] [2025-02-06 13:53:48,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:48,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:48,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:48,098 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 13:53:48,099 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 13:53:48,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 13:53:48,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 13:53:48,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:48,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:48,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:53:48,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:48,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:49,413 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:49,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829697892] [2025-02-06 13:53:49,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:49,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329996058] [2025-02-06 13:53:49,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329996058] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:49,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:49,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2025-02-06 13:53:49,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987329671] [2025-02-06 13:53:49,414 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:49,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 13:53:49,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:49,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 13:53:49,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:53:49,415 INFO L87 Difference]: Start difference. First operand 407 states and 441 transitions. Second operand has 15 states, 14 states have (on average 19.0) internal successors, (266), 15 states have internal predecessors, (266), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-02-06 13:53:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:50,922 INFO L93 Difference]: Finished difference Result 477 states and 539 transitions. [2025-02-06 13:53:50,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 13:53:50,922 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 19.0) internal successors, (266), 15 states have internal predecessors, (266), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 193 [2025-02-06 13:53:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:50,924 INFO L225 Difference]: With dead ends: 477 [2025-02-06 13:53:50,924 INFO L226 Difference]: Without dead ends: 474 [2025-02-06 13:53:50,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:53:50,924 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 230 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 2073 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 2094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 2073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:50,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 385 Invalid, 2094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 2073 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 13:53:50,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-06 13:53:50,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2025-02-06 13:53:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 387 states have (on average 1.227390180878553) internal successors, (475), 441 states have internal predecessors, (475), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:53:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 535 transitions. [2025-02-06 13:53:50,938 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 535 transitions. Word has length 193 [2025-02-06 13:53:50,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:50,938 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 535 transitions. [2025-02-06 13:53:50,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 19.0) internal successors, (266), 15 states have internal predecessors, (266), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-02-06 13:53:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 535 transitions. [2025-02-06 13:53:50,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-06 13:53:50,939 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:50,939 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 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 13:53:50,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 13:53:51,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:51,140 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:51,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1058897824, now seen corresponding path program 1 times [2025-02-06 13:53:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:51,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615829058] [2025-02-06 13:53:51,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:51,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:51,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 13:53:51,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 13:53:51,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:51,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:51,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:51,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615829058] [2025-02-06 13:53:51,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615829058] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:51,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032111313] [2025-02-06 13:53:51,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:51,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:51,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:51,279 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 13:53:51,285 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 13:53:51,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-06 13:53:51,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-06 13:53:51,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:51,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:51,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:53:51,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:51,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:51,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032111313] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:51,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:51,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-02-06 13:53:51,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098249451] [2025-02-06 13:53:51,905 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:51,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:51,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:51,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:51,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:53:51,906 INFO L87 Difference]: Start difference. First operand 473 states and 535 transitions. Second operand has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-06 13:53:53,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:53,085 INFO L93 Difference]: Finished difference Result 473 states and 535 transitions. [2025-02-06 13:53:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:53:53,086 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 194 [2025-02-06 13:53:53,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:53,087 INFO L225 Difference]: With dead ends: 473 [2025-02-06 13:53:53,087 INFO L226 Difference]: Without dead ends: 469 [2025-02-06 13:53:53,087 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:53:53,088 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 358 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 1364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:53,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [358 Valid, 263 Invalid, 1364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-06 13:53:53,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-02-06 13:53:53,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2025-02-06 13:53:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 387 states have (on average 1.20671834625323) internal successors, (467), 437 states have internal predecessors, (467), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:53:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 527 transitions. [2025-02-06 13:53:53,121 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 527 transitions. Word has length 194 [2025-02-06 13:53:53,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:53,121 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 527 transitions. [2025-02-06 13:53:53,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.8) internal successors, (268), 11 states have internal predecessors, (268), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-02-06 13:53:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 527 transitions. [2025-02-06 13:53:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 13:53:53,122 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:53,122 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 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, 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] [2025-02-06 13:53:53,128 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 13:53:53,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:53,322 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:53,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:53,323 INFO L85 PathProgramCache]: Analyzing trace with hash -742734459, now seen corresponding path program 1 times [2025-02-06 13:53:53,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:53,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396617714] [2025-02-06 13:53:53,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:53,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 13:53:53,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 13:53:53,351 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,351 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:53,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018191809] [2025-02-06 13:53:53,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:53,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:53,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:53,355 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 13:53:53,359 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 13:53:53,386 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 13:53:53,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 13:53:53,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:53,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:53,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:53,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:53,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:53,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:53,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396617714] [2025-02-06 13:53:53,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:53,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018191809] [2025-02-06 13:53:53,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018191809] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:53,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:53,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:53,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843742317] [2025-02-06 13:53:53,661 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:53,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:53,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:53,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:53,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:53,662 INFO L87 Difference]: Start difference. First operand 469 states and 527 transitions. Second operand has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 13:53:53,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:53,845 INFO L93 Difference]: Finished difference Result 587 states and 619 transitions. [2025-02-06 13:53:53,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:53,846 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 195 [2025-02-06 13:53:53,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:53,847 INFO L225 Difference]: With dead ends: 587 [2025-02-06 13:53:53,847 INFO L226 Difference]: Without dead ends: 586 [2025-02-06 13:53:53,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:53,848 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 224 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:53,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 648 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:53,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2025-02-06 13:53:53,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 469. [2025-02-06 13:53:53,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 387 states have (on average 1.2041343669250646) internal successors, (466), 437 states have internal predecessors, (466), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:53:53,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 526 transitions. [2025-02-06 13:53:53,872 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 526 transitions. Word has length 195 [2025-02-06 13:53:53,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:53,872 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 526 transitions. [2025-02-06 13:53:53,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.5) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 13:53:53,873 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 526 transitions. [2025-02-06 13:53:53,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2025-02-06 13:53:53,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:53,873 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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, 1, 1, 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 13:53:53,881 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 13:53:54,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:54,078 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:54,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:54,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1860827364, now seen corresponding path program 1 times [2025-02-06 13:53:54,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:54,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312026867] [2025-02-06 13:53:54,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:54,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:54,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-02-06 13:53:54,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-02-06 13:53:54,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:54,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:54,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128051829] [2025-02-06 13:53:54,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:54,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:54,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:54,099 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 13:53:54,101 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 13:53:54,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 198 statements into 1 equivalence classes. [2025-02-06 13:53:54,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-02-06 13:53:54,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:54,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:54,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:53:54,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 13:53:54,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:55,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:55,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312026867] [2025-02-06 13:53:55,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:55,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128051829] [2025-02-06 13:53:55,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128051829] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:55,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:55,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:53:55,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027444290] [2025-02-06 13:53:55,702 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:55,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:55,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:55,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:55,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:53:55,703 INFO L87 Difference]: Start difference. First operand 469 states and 526 transitions. Second operand has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 8 states have internal predecessors, (141), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 13:53:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:56,440 INFO L93 Difference]: Finished difference Result 471 states and 526 transitions. [2025-02-06 13:53:56,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:53:56,441 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 8 states have internal predecessors, (141), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 198 [2025-02-06 13:53:56,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:56,442 INFO L225 Difference]: With dead ends: 471 [2025-02-06 13:53:56,442 INFO L226 Difference]: Without dead ends: 469 [2025-02-06 13:53:56,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:53:56,442 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 84 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:56,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 352 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:53:56,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2025-02-06 13:53:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2025-02-06 13:53:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 387 states have (on average 1.198966408268734) internal successors, (464), 437 states have internal predecessors, (464), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:53:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 524 transitions. [2025-02-06 13:53:56,455 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 524 transitions. Word has length 198 [2025-02-06 13:53:56,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:56,455 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 524 transitions. [2025-02-06 13:53:56,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.142857142857142) internal successors, (141), 8 states have internal predecessors, (141), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 13:53:56,456 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 524 transitions. [2025-02-06 13:53:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-06 13:53:56,456 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:56,456 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:53:56,463 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 13:53:56,661 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,SelfDestructingSolverStorable33 [2025-02-06 13:53:56,661 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:56,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:56,661 INFO L85 PathProgramCache]: Analyzing trace with hash -532818610, now seen corresponding path program 2 times [2025-02-06 13:53:56,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:56,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632152031] [2025-02-06 13:53:56,662 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:56,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:56,668 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-06 13:53:56,680 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 13:53:56,683 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:56,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:56,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542920732] [2025-02-06 13:53:56,684 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:56,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:56,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:56,686 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 13:53:56,691 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 13:53:56,720 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-06 13:53:56,748 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 13:53:56,749 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:56,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:56,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:53:56,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:57,020 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:53:57,021 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:01,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:01,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632152031] [2025-02-06 13:54:01,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:01,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542920732] [2025-02-06 13:54:01,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542920732] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:01,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:01,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:54:01,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017327402] [2025-02-06 13:54:01,339 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:01,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:54:01,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:01,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:54:01,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:54:01,340 INFO L87 Difference]: Start difference. First operand 469 states and 524 transitions. Second operand has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:54:02,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:02,018 INFO L93 Difference]: Finished difference Result 552 states and 620 transitions. [2025-02-06 13:54:02,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:54:02,018 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 202 [2025-02-06 13:54:02,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:02,020 INFO L225 Difference]: With dead ends: 552 [2025-02-06 13:54:02,020 INFO L226 Difference]: Without dead ends: 539 [2025-02-06 13:54:02,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:54:02,021 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 175 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:02,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 782 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:54:02,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2025-02-06 13:54:02,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 523. [2025-02-06 13:54:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 438 states have (on average 1.2009132420091324) internal successors, (526), 488 states have internal predecessors, (526), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 592 transitions. [2025-02-06 13:54:02,036 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 592 transitions. Word has length 202 [2025-02-06 13:54:02,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:02,036 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 592 transitions. [2025-02-06 13:54:02,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.333333333333332) internal successors, (140), 7 states have internal predecessors, (140), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-06 13:54:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 592 transitions. [2025-02-06 13:54:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-02-06 13:54:02,037 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:02,037 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:02,046 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 13:54:02,237 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,SelfDestructingSolverStorable34 [2025-02-06 13:54:02,238 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:02,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:02,238 INFO L85 PathProgramCache]: Analyzing trace with hash -937569044, now seen corresponding path program 2 times [2025-02-06 13:54:02,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:02,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436185640] [2025-02-06 13:54:02,238 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:02,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:02,244 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-02-06 13:54:02,250 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-06 13:54:02,250 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:02,250 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:02,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436185640] [2025-02-06 13:54:02,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436185640] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:02,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96248901] [2025-02-06 13:54:02,356 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:02,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:02,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:02,358 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 13:54:02,367 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 13:54:02,389 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-02-06 13:54:02,415 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-06 13:54:02,415 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:02,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:02,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:54:02,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:02,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:02,946 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:02,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96248901] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:02,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:54:02,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:54:02,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52401517] [2025-02-06 13:54:02,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:02,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:54:02,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:02,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:54:02,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:54:02,949 INFO L87 Difference]: Start difference. First operand 523 states and 592 transitions. Second operand has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-06 13:54:03,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:03,679 INFO L93 Difference]: Finished difference Result 576 states and 643 transitions. [2025-02-06 13:54:03,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:54:03,679 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 204 [2025-02-06 13:54:03,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:03,681 INFO L225 Difference]: With dead ends: 576 [2025-02-06 13:54:03,681 INFO L226 Difference]: Without dead ends: 575 [2025-02-06 13:54:03,681 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:54:03,681 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 869 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1193 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 1240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:03,682 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 583 Invalid, 1240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1193 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:54:03,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-02-06 13:54:03,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 557. [2025-02-06 13:54:03,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 469 states have (on average 1.1940298507462686) internal successors, (560), 519 states have internal predecessors, (560), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-06 13:54:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 632 transitions. [2025-02-06 13:54:03,708 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 632 transitions. Word has length 204 [2025-02-06 13:54:03,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:03,709 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 632 transitions. [2025-02-06 13:54:03,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.25) internal successors, (387), 13 states have internal predecessors, (387), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-06 13:54:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 632 transitions. [2025-02-06 13:54:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-06 13:54:03,711 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:03,711 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:03,721 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 13:54:03,911 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,SelfDestructingSolverStorable35 [2025-02-06 13:54:03,912 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:03,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:03,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1000130921, now seen corresponding path program 2 times [2025-02-06 13:54:03,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:03,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784046020] [2025-02-06 13:54:03,913 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:03,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:03,919 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-02-06 13:54:03,929 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 13:54:03,929 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:03,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:03,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081585342] [2025-02-06 13:54:03,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:03,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:03,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:03,932 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 13:54:03,934 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 13:54:03,966 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-02-06 13:54:03,995 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 13:54:03,995 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:03,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:03,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:54:03,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:04,526 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:04,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 13:54:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:04,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784046020] [2025-02-06 13:54:04,862 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:04,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081585342] [2025-02-06 13:54:04,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081585342] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:04,862 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:04,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:54:04,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632411939] [2025-02-06 13:54:04,862 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:04,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:54:04,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:04,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:54:04,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:54:04,864 INFO L87 Difference]: Start difference. First operand 557 states and 632 transitions. Second operand has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 16 states have internal predecessors, (280), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-06 13:54:07,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:07,510 INFO L93 Difference]: Finished difference Result 598 states and 657 transitions. [2025-02-06 13:54:07,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 13:54:07,510 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 16 states have internal predecessors, (280), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 205 [2025-02-06 13:54:07,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:07,512 INFO L225 Difference]: With dead ends: 598 [2025-02-06 13:54:07,512 INFO L226 Difference]: Without dead ends: 463 [2025-02-06 13:54:07,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506 [2025-02-06 13:54:07,512 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 1022 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 2552 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:07,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 1031 Invalid, 2647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2552 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-02-06 13:54:07,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2025-02-06 13:54:07,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2025-02-06 13:54:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 369 states have (on average 1.1734417344173442) internal successors, (433), 417 states have internal predecessors, (433), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:54:07,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 493 transitions. [2025-02-06 13:54:07,527 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 493 transitions. Word has length 205 [2025-02-06 13:54:07,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:07,527 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 493 transitions. [2025-02-06 13:54:07,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.666666666666668) internal successors, (280), 16 states have internal predecessors, (280), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-06 13:54:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 493 transitions. [2025-02-06 13:54:07,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-02-06 13:54:07,528 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:07,528 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-02-06 13:54:07,537 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 13:54:07,732 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,SelfDestructingSolverStorable36 [2025-02-06 13:54:07,732 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:07,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:07,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1263557332, now seen corresponding path program 1 times [2025-02-06 13:54:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:07,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021478607] [2025-02-06 13:54:07,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:07,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:07,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-02-06 13:54:07,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-02-06 13:54:07,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:07,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2025-02-06 13:54:07,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:07,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021478607] [2025-02-06 13:54:07,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021478607] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:07,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:07,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:54:07,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041661269] [2025-02-06 13:54:07,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:07,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:54:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:07,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:54:07,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:54:07,782 INFO L87 Difference]: Start difference. First operand 449 states and 493 transitions. Second operand has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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 13:54:07,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:07,951 INFO L93 Difference]: Finished difference Result 449 states and 493 transitions. [2025-02-06 13:54:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:54:07,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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 247 [2025-02-06 13:54:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:07,953 INFO L225 Difference]: With dead ends: 449 [2025-02-06 13:54:07,953 INFO L226 Difference]: Without dead ends: 448 [2025-02-06 13:54:07,953 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 13:54:07,954 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 120 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:07,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 146 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:54:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-06 13:54:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-06 13:54:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.1680216802168022) internal successors, (431), 416 states have internal predecessors, (431), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:54:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 491 transitions. [2025-02-06 13:54:07,970 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 491 transitions. Word has length 247 [2025-02-06 13:54:07,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:07,970 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 491 transitions. [2025-02-06 13:54:07,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.5) internal successors, (89), 3 states have internal predecessors, (89), 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 13:54:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 491 transitions. [2025-02-06 13:54:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-06 13:54:07,971 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:07,971 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:07,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-02-06 13:54:07,972 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:07,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:07,973 INFO L85 PathProgramCache]: Analyzing trace with hash 540819892, now seen corresponding path program 2 times [2025-02-06 13:54:07,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:07,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444862816] [2025-02-06 13:54:07,973 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:07,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:07,981 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-06 13:54:08,000 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 13:54:08,000 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:08,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:08,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1598712185] [2025-02-06 13:54:08,002 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:08,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:08,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:08,005 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 13:54:08,007 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 13:54:08,037 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-06 13:54:08,070 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 13:54:08,070 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:08,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:08,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:54:08,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:08,770 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:09,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:09,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444862816] [2025-02-06 13:54:09,283 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:09,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598712185] [2025-02-06 13:54:09,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598712185] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:09,284 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:09,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 13:54:09,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539608780] [2025-02-06 13:54:09,284 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:09,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:09,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:09,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:09,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:54:09,285 INFO L87 Difference]: Start difference. First operand 448 states and 491 transitions. Second operand has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:54:10,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:10,198 INFO L93 Difference]: Finished difference Result 449 states and 491 transitions. [2025-02-06 13:54:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:54:10,198 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 251 [2025-02-06 13:54:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:10,200 INFO L225 Difference]: With dead ends: 449 [2025-02-06 13:54:10,200 INFO L226 Difference]: Without dead ends: 448 [2025-02-06 13:54:10,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:54:10,200 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 110 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 1706 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:10,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 506 Invalid, 1706 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1695 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 13:54:10,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-06 13:54:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-06 13:54:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.165311653116531) internal successors, (430), 416 states have internal predecessors, (430), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:54:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 490 transitions. [2025-02-06 13:54:10,216 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 490 transitions. Word has length 251 [2025-02-06 13:54:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:10,216 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 490 transitions. [2025-02-06 13:54:10,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-06 13:54:10,217 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 490 transitions. [2025-02-06 13:54:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-02-06 13:54:10,217 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:10,217 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:10,224 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 13:54:10,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 13:54:10,418 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:10,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:10,419 INFO L85 PathProgramCache]: Analyzing trace with hash -414452402, now seen corresponding path program 2 times [2025-02-06 13:54:10,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:10,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218965433] [2025-02-06 13:54:10,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:10,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:10,425 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-06 13:54:10,438 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 13:54:10,438 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:10,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:10,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [585821027] [2025-02-06 13:54:10,439 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:10,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:10,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:10,444 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 13:54:10,449 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 13:54:10,478 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-06 13:54:10,510 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 13:54:10,511 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:10,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:10,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:54:10,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:10,793 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:10,793 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:11,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:11,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218965433] [2025-02-06 13:54:11,149 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:11,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585821027] [2025-02-06 13:54:11,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585821027] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:11,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:54:11,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:54:11,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016932194] [2025-02-06 13:54:11,150 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:11,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:54:11,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:11,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:54:11,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:54:11,151 INFO L87 Difference]: Start difference. First operand 448 states and 490 transitions. Second operand has 8 states, 7 states have (on average 25.0) internal successors, (175), 8 states have internal predecessors, (175), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-06 13:54:11,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:11,510 INFO L93 Difference]: Finished difference Result 449 states and 490 transitions. [2025-02-06 13:54:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:54:11,511 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.0) internal successors, (175), 8 states have internal predecessors, (175), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 252 [2025-02-06 13:54:11,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:11,512 INFO L225 Difference]: With dead ends: 449 [2025-02-06 13:54:11,512 INFO L226 Difference]: Without dead ends: 448 [2025-02-06 13:54:11,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:54:11,513 INFO L435 NwaCegarLoop]: 232 mSDtfsCounter, 92 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:11,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 974 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:11,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-06 13:54:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-06 13:54:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.1626016260162602) internal successors, (429), 416 states have internal predecessors, (429), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-06 13:54:11,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 489 transitions. [2025-02-06 13:54:11,528 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 489 transitions. Word has length 252 [2025-02-06 13:54:11,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:11,528 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 489 transitions. [2025-02-06 13:54:11,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.0) internal successors, (175), 8 states have internal predecessors, (175), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-06 13:54:11,529 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 489 transitions. [2025-02-06 13:54:11,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-06 13:54:11,529 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:11,531 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:11,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-06 13:54:11,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 13:54:11,731 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:11,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:11,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1079595056, now seen corresponding path program 2 times [2025-02-06 13:54:11,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:11,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721611029] [2025-02-06 13:54:11,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:11,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:11,738 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-06 13:54:11,750 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-06 13:54:11,750 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:11,750 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1330737043] [2025-02-06 13:54:11,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:11,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:11,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:11,753 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 13:54:11,758 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 13:54:11,783 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-06 13:54:11,845 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-06 13:54:11,845 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:11,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:11,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 13:54:11,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:13,722 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:14,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:14,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721611029] [2025-02-06 13:54:14,670 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:14,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330737043] [2025-02-06 13:54:14,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330737043] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:14,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 18 [2025-02-06 13:54:14,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123686543] [2025-02-06 13:54:14,670 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:14,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 13:54:14,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:14,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 13:54:14,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:54:14,671 INFO L87 Difference]: Start difference. First operand 448 states and 489 transitions. Second operand has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 19 states have internal predecessors, (352), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-02-06 13:54:21,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:54:28,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 13:54:30,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:30,881 INFO L93 Difference]: Finished difference Result 500 states and 549 transitions. [2025-02-06 13:54:30,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-06 13:54:30,881 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 19 states have internal predecessors, (352), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) Word has length 255 [2025-02-06 13:54:30,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:30,883 INFO L225 Difference]: With dead ends: 500 [2025-02-06 13:54:30,883 INFO L226 Difference]: Without dead ends: 495 [2025-02-06 13:54:30,883 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 518 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=234, Invalid=578, Unknown=0, NotChecked=0, Total=812 [2025-02-06 13:54:30,883 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 997 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 83 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 2305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:30,884 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 339 Invalid, 2305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 2221 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2025-02-06 13:54:30,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2025-02-06 13:54:30,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 487. [2025-02-06 13:54:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 405 states have (on average 1.1679012345679012) internal successors, (473), 452 states have internal predecessors, (473), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 539 transitions. [2025-02-06 13:54:30,921 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 539 transitions. Word has length 255 [2025-02-06 13:54:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:30,921 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 539 transitions. [2025-02-06 13:54:30,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 19.555555555555557) internal successors, (352), 19 states have internal predecessors, (352), 6 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 6 states have call predecessors, (32), 6 states have call successors, (32) [2025-02-06 13:54:30,921 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 539 transitions. [2025-02-06 13:54:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2025-02-06 13:54:30,925 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:30,925 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-02-06 13:54:30,939 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 13:54:31,126 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,SelfDestructingSolverStorable40 [2025-02-06 13:54:31,126 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:31,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:31,129 INFO L85 PathProgramCache]: Analyzing trace with hash -301709145, now seen corresponding path program 1 times [2025-02-06 13:54:31,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:31,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171709154] [2025-02-06 13:54:31,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:31,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:31,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-02-06 13:54:31,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-02-06 13:54:31,148 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:31,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:31,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75335976] [2025-02-06 13:54:31,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:31,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:31,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:31,157 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 13:54:31,158 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 13:54:31,186 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-02-06 13:54:31,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-02-06 13:54:31,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:31,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:31,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:54:31,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:31,375 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:31,375 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-06 13:54:31,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:31,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171709154] [2025-02-06 13:54:31,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:54:31,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75335976] [2025-02-06 13:54:31,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75335976] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:54:31,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:31,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:54:31,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113607192] [2025-02-06 13:54:31,680 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:31,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:54:31,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:31,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:54:31,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:54:31,681 INFO L87 Difference]: Start difference. First operand 487 states and 539 transitions. Second operand has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-06 13:54:32,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:32,023 INFO L93 Difference]: Finished difference Result 641 states and 682 transitions. [2025-02-06 13:54:32,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:54:32,024 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 265 [2025-02-06 13:54:32,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:32,026 INFO L225 Difference]: With dead ends: 641 [2025-02-06 13:54:32,026 INFO L226 Difference]: Without dead ends: 639 [2025-02-06 13:54:32,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 520 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:54:32,027 INFO L435 NwaCegarLoop]: 350 mSDtfsCounter, 838 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:32,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1509 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:32,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2025-02-06 13:54:32,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 486. [2025-02-06 13:54:32,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 405 states have (on average 1.1604938271604939) internal successors, (470), 451 states have internal predecessors, (470), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:32,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 536 transitions. [2025-02-06 13:54:32,057 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 536 transitions. Word has length 265 [2025-02-06 13:54:32,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:32,058 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 536 transitions. [2025-02-06 13:54:32,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 41.111111111111114) internal successors, (370), 10 states have internal predecessors, (370), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-06 13:54:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 536 transitions. [2025-02-06 13:54:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-02-06 13:54:32,059 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:32,059 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:32,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 13:54:32,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:32,260 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:32,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:32,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1110535804, now seen corresponding path program 1 times [2025-02-06 13:54:32,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:32,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619929840] [2025-02-06 13:54:32,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:54:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:32,266 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-06 13:54:32,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-06 13:54:32,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:54:32,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:32,354 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:32,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:32,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619929840] [2025-02-06 13:54:32,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619929840] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:54:32,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:54:32,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:54:32,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660637467] [2025-02-06 13:54:32,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:54:32,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:54:32,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:32,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:54:32,356 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:54:32,356 INFO L87 Difference]: Start difference. First operand 486 states and 536 transitions. Second operand has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-06 13:54:32,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:32,740 INFO L93 Difference]: Finished difference Result 486 states and 536 transitions. [2025-02-06 13:54:32,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:54:32,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 278 [2025-02-06 13:54:32,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:32,742 INFO L225 Difference]: With dead ends: 486 [2025-02-06 13:54:32,742 INFO L226 Difference]: Without dead ends: 484 [2025-02-06 13:54:32,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:54:32,744 INFO L435 NwaCegarLoop]: 157 mSDtfsCounter, 319 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:32,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 314 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:54:32,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-02-06 13:54:32,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2025-02-06 13:54:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 405 states have (on average 1.1506172839506172) internal successors, (466), 449 states have internal predecessors, (466), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 13:54:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 532 transitions. [2025-02-06 13:54:32,768 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 532 transitions. Word has length 278 [2025-02-06 13:54:32,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:32,769 INFO L471 AbstractCegarLoop]: Abstraction has 484 states and 532 transitions. [2025-02-06 13:54:32,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.2) internal successors, (196), 6 states have internal predecessors, (196), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-06 13:54:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 532 transitions. [2025-02-06 13:54:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-02-06 13:54:32,770 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:32,770 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:54:32,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2025-02-06 13:54:32,771 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:32,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:32,771 INFO L85 PathProgramCache]: Analyzing trace with hash -66871471, now seen corresponding path program 2 times [2025-02-06 13:54:32,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:32,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595180363] [2025-02-06 13:54:32,772 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:32,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:32,781 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 279 statements into 2 equivalence classes. [2025-02-06 13:54:32,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 279 of 279 statements. [2025-02-06 13:54:32,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:32,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:33,016 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:33,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:54:33,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595180363] [2025-02-06 13:54:33,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595180363] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:33,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318514736] [2025-02-06 13:54:33,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:54:33,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:33,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:33,019 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 13:54:33,022 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 13:54:33,048 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 279 statements into 2 equivalence classes. [2025-02-06 13:54:33,080 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 279 of 279 statements. [2025-02-06 13:54:33,080 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:54:33,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:33,081 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:54:33,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:54:33,648 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:54:33,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:54:35,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318514736] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:54:35,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:54:35,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:54:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36171886] [2025-02-06 13:54:35,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:54:35,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:54:35,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:54:35,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:54:35,782 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=352, Unknown=1, NotChecked=0, Total=420 [2025-02-06 13:54:35,783 INFO L87 Difference]: Start difference. First operand 484 states and 532 transitions. Second operand has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:54:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:54:37,514 INFO L93 Difference]: Finished difference Result 484 states and 532 transitions. [2025-02-06 13:54:37,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:54:37,515 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 279 [2025-02-06 13:54:37,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:54:37,516 INFO L225 Difference]: With dead ends: 484 [2025-02-06 13:54:37,516 INFO L226 Difference]: Without dead ends: 448 [2025-02-06 13:54:37,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=179, Invalid=750, Unknown=1, NotChecked=0, Total=930 [2025-02-06 13:54:37,517 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 543 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 2187 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 543 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 2227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:54:37,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [543 Valid, 398 Invalid, 2227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2187 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-06 13:54:37,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-06 13:54:37,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-06 13:54:37,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 373 states have (on average 1.1528150134048258) internal successors, (430), 415 states have internal predecessors, (430), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-02-06 13:54:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 492 transitions. [2025-02-06 13:54:37,546 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 492 transitions. Word has length 279 [2025-02-06 13:54:37,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:54:37,546 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 492 transitions. [2025-02-06 13:54:37,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.866666666666667) internal successors, (388), 16 states have internal predecessors, (388), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-06 13:54:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 492 transitions. [2025-02-06 13:54:37,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2025-02-06 13:54:37,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:54:37,547 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-02-06 13:54:37,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 13:54:37,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:37,748 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:54:37,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:54:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1837779715, now seen corresponding path program 3 times [2025-02-06 13:54:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:54:37,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340519136] [2025-02-06 13:54:37,749 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:54:37,756 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 8 equivalence classes. [2025-02-06 13:54:37,774 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 283 of 283 statements. [2025-02-06 13:54:37,774 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:54:37,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:54:37,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194083663] [2025-02-06 13:54:37,775 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:54:37,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:54:37,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:54:37,777 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 13:54:37,779 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 13:54:37,807 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 8 equivalence classes. [2025-02-06 13:54:37,835 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 95 of 283 statements. [2025-02-06 13:54:37,835 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 13:54:37,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:54:37,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 13:54:37,841 INFO L279 TraceCheckSpWp]: Computing forward predicates...