./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:52:29,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:52:29,327 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:52:29,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:52:29,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:52:29,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:52:29,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:52:29,345 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:52:29,345 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:52:29,346 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:52:29,346 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:52:29,346 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:52:29,346 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:52:29,346 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:52:29,346 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:52:29,346 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:52:29,346 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:52:29,346 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:52:29,347 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:52:29,348 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:52:29,348 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:52:29,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:52:29,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:52:29,349 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:52:29,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:52:29,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:52:29,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:52:29,349 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 -> 4e2993d4b0d2c145cb6ebddb0d9f125eb6995ee629adf15e0b0f7e55a8d8a49a [2025-02-06 13:52:29,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:52:29,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:52:29,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:52:29,559 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:52:29,559 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:52:29,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2025-02-06 13:52:30,749 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/950b94e48/4fb93aaa93af4dd19f5f152b187dd0c7/FLAG9d185b3ab [2025-02-06 13:52:30,971 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:52:30,971 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound10.c [2025-02-06 13:52:30,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/950b94e48/4fb93aaa93af4dd19f5f152b187dd0c7/FLAG9d185b3ab [2025-02-06 13:52:31,327 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/950b94e48/4fb93aaa93af4dd19f5f152b187dd0c7 [2025-02-06 13:52:31,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:52:31,330 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:52:31,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:52:31,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:52:31,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:52:31,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d7ca9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31, skipping insertion in model container [2025-02-06 13:52:31,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:52:31,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:52:31,438 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:52:31,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:52:31,468 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:52:31,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31 WrapperNode [2025-02-06 13:52:31,470 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:52:31,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:52:31,471 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:52:31,471 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:52:31,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,497 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-02-06 13:52:31,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:52:31,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:52:31,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:52:31,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:52:31,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,506 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,516 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 13:52:31,516 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:52:31,522 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:52:31,522 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:52:31,522 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:52:31,523 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (1/1) ... [2025-02-06 13:52:31,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:52:31,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:31,548 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 13:52:31,550 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 13:52:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:52:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:52:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:52:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:52:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:52:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:52:31,610 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:52:31,612 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:52:32,096 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-02-06 13:52:32,097 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:52:32,108 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:52:32,108 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:52:32,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:52:32 BoogieIcfgContainer [2025-02-06 13:52:32,109 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:52:32,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:52:32,110 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:52:32,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:52:32,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:52:31" (1/3) ... [2025-02-06 13:52:32,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1906477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:52:32, skipping insertion in model container [2025-02-06 13:52:32,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:52:31" (2/3) ... [2025-02-06 13:52:32,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1906477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:52:32, skipping insertion in model container [2025-02-06 13:52:32,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:52:32" (3/3) ... [2025-02-06 13:52:32,115 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound10.c [2025-02-06 13:52:32,125 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:52:32,126 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound10.c that has 2 procedures, 303 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-02-06 13:52:32,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:52:32,166 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;@298e90dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:52:32,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-02-06 13:52:32,169 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 13:52:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:52:32,172 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:32,172 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:52:32,173 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 13:52:32,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:32,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1112422046, now seen corresponding path program 1 times [2025-02-06 13:52:32,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:32,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068557773] [2025-02-06 13:52:32,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:32,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:32,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:52:32,231 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:52:32,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:32,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:32,258 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 13:52:32,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:32,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068557773] [2025-02-06 13:52:32,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068557773] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:32,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:32,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:32,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127873102] [2025-02-06 13:52:32,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:32,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:52:32,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:32,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:52:32,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:52:32,281 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 13:52:32,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:32,308 INFO L93 Difference]: Finished difference Result 595 states and 638 transitions. [2025-02-06 13:52:32,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:52:32,309 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 13:52:32,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:32,315 INFO L225 Difference]: With dead ends: 595 [2025-02-06 13:52:32,315 INFO L226 Difference]: Without dead ends: 289 [2025-02-06 13:52:32,320 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 13:52:32,325 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 13:52:32,326 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 13:52:32,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2025-02-06 13:52:32,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2025-02-06 13:52:32,452 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 13:52:32,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2025-02-06 13:52:32,457 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2025-02-06 13:52:32,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:32,457 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2025-02-06 13:52:32,457 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 13:52:32,458 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2025-02-06 13:52:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 13:52:32,458 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:32,458 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 13:52:32,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:52:32,458 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 13:52:32,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:32,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1112451837, now seen corresponding path program 1 times [2025-02-06 13:52:32,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:32,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723849068] [2025-02-06 13:52:32,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:32,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:32,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 13:52:32,469 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 13:52:32,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:32,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:32,506 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 13:52:32,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:32,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723849068] [2025-02-06 13:52:32,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723849068] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:32,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:32,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:32,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563308174] [2025-02-06 13:52:32,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:32,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:32,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:32,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:32,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:32,509 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 13:52:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:32,643 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2025-02-06 13:52:32,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:32,643 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 13:52:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:32,646 INFO L225 Difference]: With dead ends: 558 [2025-02-06 13:52:32,646 INFO L226 Difference]: Without dead ends: 538 [2025-02-06 13:52:32,647 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 13:52:32,647 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 13:52:32,648 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 13:52:32,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2025-02-06 13:52:32,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2025-02-06 13:52:32,663 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 13:52:32,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2025-02-06 13:52:32,665 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2025-02-06 13:52:32,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:32,665 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2025-02-06 13:52:32,665 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 13:52:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2025-02-06 13:52:32,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 13:52:32,666 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:32,666 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 13:52:32,666 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:52:32,666 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 13:52:32,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:32,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1718635059, now seen corresponding path program 1 times [2025-02-06 13:52:32,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:32,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590065037] [2025-02-06 13:52:32,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:32,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:32,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:52:32,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:52:32,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:32,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:32,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397311916] [2025-02-06 13:52:32,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:32,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:32,696 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 13:52:32,697 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 13:52:32,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:52:32,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:52:32,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:32,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:32,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:52:32,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:33,044 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 13:52:33,044 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:52:33,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:33,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590065037] [2025-02-06 13:52:33,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:33,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397311916] [2025-02-06 13:52:33,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397311916] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:33,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:33,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:33,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632157825] [2025-02-06 13:52:33,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:33,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:33,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:33,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:33,050 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:33,050 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 13:52:33,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:33,431 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2025-02-06 13:52:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:33,431 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 13:52:33,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:33,433 INFO L225 Difference]: With dead ends: 508 [2025-02-06 13:52:33,433 INFO L226 Difference]: Without dead ends: 453 [2025-02-06 13:52:33,434 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 13:52:33,434 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 13:52:33,434 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 13:52:33,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2025-02-06 13:52:33,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2025-02-06 13:52:33,449 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 13:52:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2025-02-06 13:52:33,451 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2025-02-06 13:52:33,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:33,451 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2025-02-06 13:52:33,451 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 13:52:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2025-02-06 13:52:33,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:52:33,456 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:33,456 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 13:52:33,466 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 13:52:33,656 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 13:52:33,657 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 13:52:33,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:33,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1954124267, now seen corresponding path program 1 times [2025-02-06 13:52:33,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:33,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050407625] [2025-02-06 13:52:33,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:33,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:33,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 13:52:33,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 13:52:33,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:33,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:33,784 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 13:52:33,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:33,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050407625] [2025-02-06 13:52:33,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050407625] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:33,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:33,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:33,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813033136] [2025-02-06 13:52:33,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:33,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:33,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:33,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:33,788 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:33,788 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 13:52:33,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:33,997 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2025-02-06 13:52:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:33,997 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 13:52:33,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:33,999 INFO L225 Difference]: With dead ends: 466 [2025-02-06 13:52:33,999 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:52:33,999 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 13:52:34,000 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 13:52:34,000 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 13:52:34,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:52:34,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:52:34,008 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 13:52:34,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2025-02-06 13:52:34,010 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2025-02-06 13:52:34,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:34,010 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2025-02-06 13:52:34,010 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 13:52:34,010 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2025-02-06 13:52:34,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 13:52:34,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:34,014 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 13:52:34,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:52:34,014 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 13:52:34,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:34,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1012719113, now seen corresponding path program 1 times [2025-02-06 13:52:34,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:34,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017793294] [2025-02-06 13:52:34,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:34,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:34,023 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 13:52:34,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 13:52:34,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:34,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:34,131 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 13:52:34,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:34,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017793294] [2025-02-06 13:52:34,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017793294] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:34,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:34,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:52:34,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82043202] [2025-02-06 13:52:34,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:34,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:52:34,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:34,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:52:34,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:52:34,133 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 13:52:34,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:34,932 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2025-02-06 13:52:34,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:52:34,936 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 13:52:34,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:34,938 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:52:34,938 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:52:34,939 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 13:52:34,939 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:34,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:52:34,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:52:34,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:52:34,961 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 13:52:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2025-02-06 13:52:34,963 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2025-02-06 13:52:34,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:34,963 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2025-02-06 13:52:34,963 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 13:52:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2025-02-06 13:52:34,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:52:34,963 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:34,963 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 13:52:34,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:52:34,964 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 13:52:34,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:34,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1329521642, now seen corresponding path program 1 times [2025-02-06 13:52:34,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:34,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363330419] [2025-02-06 13:52:34,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:34,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:34,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:52:34,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:52:34,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:34,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:35,110 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 13:52:35,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:35,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363330419] [2025-02-06 13:52:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363330419] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:52:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074755548] [2025-02-06 13:52:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:35,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:52:35,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:35,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:52:35,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:52:35,116 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 13:52:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:36,361 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2025-02-06 13:52:36,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:52:36,361 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 13:52:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:36,363 INFO L225 Difference]: With dead ends: 445 [2025-02-06 13:52:36,363 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:52:36,363 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 13:52:36,364 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:36,364 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:52:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:52:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2025-02-06 13:52:36,372 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 13:52:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2025-02-06 13:52:36,374 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2025-02-06 13:52:36,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:36,374 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2025-02-06 13:52:36,374 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 13:52:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2025-02-06 13:52:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 13:52:36,375 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:36,375 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 13:52:36,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:52:36,375 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 13:52:36,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:36,376 INFO L85 PathProgramCache]: Analyzing trace with hash -408959419, now seen corresponding path program 1 times [2025-02-06 13:52:36,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:36,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549779134] [2025-02-06 13:52:36,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:36,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:36,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:52:36,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:52:36,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:36,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:36,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1501697155] [2025-02-06 13:52:36,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:36,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:36,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:36,402 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 13:52:36,404 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 13:52:36,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 13:52:36,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 13:52:36,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:36,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:36,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:52:36,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:36,701 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 13:52:36,702 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:52:36,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:36,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549779134] [2025-02-06 13:52:36,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:36,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501697155] [2025-02-06 13:52:36,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1501697155] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:36,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:36,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:36,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107238175] [2025-02-06 13:52:36,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:36,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:36,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:36,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:36,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:36,704 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 13:52:37,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:37,052 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2025-02-06 13:52:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:37,054 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 13:52:37,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:37,055 INFO L225 Difference]: With dead ends: 450 [2025-02-06 13:52:37,056 INFO L226 Difference]: Without dead ends: 441 [2025-02-06 13:52:37,057 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 13:52:37,057 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 13:52:37,058 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 13:52:37,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-02-06 13:52:37,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2025-02-06 13:52:37,076 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 13:52:37,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2025-02-06 13:52:37,082 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2025-02-06 13:52:37,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:37,082 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2025-02-06 13:52:37,082 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 13:52:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2025-02-06 13:52:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 13:52:37,083 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:37,086 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 13:52:37,093 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 13:52:37,287 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 13:52:37,287 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 13:52:37,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:37,287 INFO L85 PathProgramCache]: Analyzing trace with hash 207160102, now seen corresponding path program 1 times [2025-02-06 13:52:37,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:37,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793569179] [2025-02-06 13:52:37,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:37,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 13:52:37,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 13:52:37,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:37,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:37,371 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 13:52:37,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:37,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793569179] [2025-02-06 13:52:37,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793569179] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:37,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:37,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:52:37,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198363689] [2025-02-06 13:52:37,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:37,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:52:37,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:37,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:52:37,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:52:37,374 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 13:52:37,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:37,701 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2025-02-06 13:52:37,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:52:37,702 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 13:52:37,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:37,703 INFO L225 Difference]: With dead ends: 449 [2025-02-06 13:52:37,703 INFO L226 Difference]: Without dead ends: 443 [2025-02-06 13:52:37,704 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 13:52:37,704 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 13:52:37,704 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 13:52:37,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2025-02-06 13:52:37,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2025-02-06 13:52:37,712 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 13:52:37,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2025-02-06 13:52:37,714 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2025-02-06 13:52:37,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:37,714 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2025-02-06 13:52:37,714 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 13:52:37,714 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2025-02-06 13:52:37,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-06 13:52:37,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:37,715 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 13:52:37,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:52:37,715 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 13:52:37,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:37,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1687511650, now seen corresponding path program 1 times [2025-02-06 13:52:37,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:37,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663274731] [2025-02-06 13:52:37,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:37,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:37,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-06 13:52:37,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-06 13:52:37,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:37,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:37,839 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 13:52:37,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:37,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663274731] [2025-02-06 13:52:37,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663274731] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:37,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:37,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:52:37,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193907518] [2025-02-06 13:52:37,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:37,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:52:37,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:37,841 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:52:37,841 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:52:37,841 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 13:52:38,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:38,232 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2025-02-06 13:52:38,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:38,232 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 13:52:38,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:38,233 INFO L225 Difference]: With dead ends: 447 [2025-02-06 13:52:38,233 INFO L226 Difference]: Without dead ends: 374 [2025-02-06 13:52:38,234 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 13:52:38,234 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 119 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 13:52:38,234 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 13:52:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2025-02-06 13:52:38,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2025-02-06 13:52:38,241 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 13:52:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2025-02-06 13:52:38,242 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2025-02-06 13:52:38,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:38,242 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2025-02-06 13:52:38,242 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 13:52:38,242 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2025-02-06 13:52:38,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-06 13:52:38,243 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:38,243 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 13:52:38,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:52:38,243 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 13:52:38,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:38,244 INFO L85 PathProgramCache]: Analyzing trace with hash -726501121, now seen corresponding path program 1 times [2025-02-06 13:52:38,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:38,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308096268] [2025-02-06 13:52:38,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:38,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:38,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-06 13:52:38,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-06 13:52:38,255 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:38,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:38,290 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 13:52:38,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:38,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308096268] [2025-02-06 13:52:38,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308096268] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:38,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:38,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:38,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338501418] [2025-02-06 13:52:38,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:38,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:38,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:38,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:38,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:38,292 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 13:52:38,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:38,502 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2025-02-06 13:52:38,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:38,503 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 13:52:38,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:38,504 INFO L225 Difference]: With dead ends: 370 [2025-02-06 13:52:38,504 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:52:38,504 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 13:52:38,505 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 13:52:38,505 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 13:52:38,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:52:38,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-06 13:52:38,511 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 13:52:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-02-06 13:52:38,512 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-02-06 13:52:38,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:38,513 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-02-06 13:52:38,513 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 13:52:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-02-06 13:52:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-02-06 13:52:38,513 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:38,513 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 13:52:38,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:52:38,514 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 13:52:38,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:38,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1046698124, now seen corresponding path program 1 times [2025-02-06 13:52:38,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:38,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224393312] [2025-02-06 13:52:38,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:38,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:38,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-02-06 13:52:38,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-02-06 13:52:38,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:38,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:38,565 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 13:52:38,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:38,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224393312] [2025-02-06 13:52:38,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224393312] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:38,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:38,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:38,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116350419] [2025-02-06 13:52:38,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:38,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:38,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:38,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:38,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:38,567 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 13:52:38,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:38,749 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2025-02-06 13:52:38,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:38,749 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 13:52:38,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:38,750 INFO L225 Difference]: With dead ends: 370 [2025-02-06 13:52:38,750 INFO L226 Difference]: Without dead ends: 369 [2025-02-06 13:52:38,751 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 13:52:38,751 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 13:52:38,751 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 13:52:38,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2025-02-06 13:52:38,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2025-02-06 13:52:38,757 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 13:52:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2025-02-06 13:52:38,758 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2025-02-06 13:52:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:38,759 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2025-02-06 13:52:38,759 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 13:52:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2025-02-06 13:52:38,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:52:38,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:38,760 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 13:52:38,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 13:52:38,760 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 13:52:38,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:38,760 INFO L85 PathProgramCache]: Analyzing trace with hash -859071722, now seen corresponding path program 1 times [2025-02-06 13:52:38,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:38,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212347764] [2025-02-06 13:52:38,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:38,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:38,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:52:38,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:52:38,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:38,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:38,819 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 13:52:38,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:38,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212347764] [2025-02-06 13:52:38,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212347764] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:38,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:38,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:52:38,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005627386] [2025-02-06 13:52:38,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:38,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:52:38,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:38,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:52:38,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:52:38,821 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 13:52:38,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:38,898 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2025-02-06 13:52:38,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:52:38,899 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 13:52:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:38,900 INFO L225 Difference]: With dead ends: 365 [2025-02-06 13:52:38,900 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:52:38,900 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 13:52:38,901 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 13:52:38,901 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 13:52:38,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:52:38,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-02-06 13:52:38,908 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 13:52:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2025-02-06 13:52:38,909 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2025-02-06 13:52:38,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:38,909 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2025-02-06 13:52:38,909 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 13:52:38,909 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2025-02-06 13:52:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:52:38,909 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:38,910 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 13:52:38,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:52:38,910 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 13:52:38,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash -861419472, now seen corresponding path program 1 times [2025-02-06 13:52:38,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:38,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234780293] [2025-02-06 13:52:38,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:38,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:38,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:52:38,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:52:38,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:38,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:38,973 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 13:52:38,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:38,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234780293] [2025-02-06 13:52:38,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234780293] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:38,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:38,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:52:38,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785441561] [2025-02-06 13:52:38,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:38,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:52:38,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:38,974 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:52:38,974 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:52:38,974 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 13:52:39,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:39,097 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2025-02-06 13:52:39,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:52:39,097 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 13:52:39,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:39,098 INFO L225 Difference]: With dead ends: 367 [2025-02-06 13:52:39,098 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 13:52:39,099 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 13:52:39,099 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 13:52:39,099 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 13:52:39,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 13:52:39,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2025-02-06 13:52:39,108 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 13:52:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2025-02-06 13:52:39,109 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2025-02-06 13:52:39,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:39,110 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2025-02-06 13:52:39,110 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 13:52:39,110 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2025-02-06 13:52:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 13:52:39,111 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:39,111 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 13:52:39,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 13:52:39,111 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 13:52:39,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:39,111 INFO L85 PathProgramCache]: Analyzing trace with hash -854541518, now seen corresponding path program 1 times [2025-02-06 13:52:39,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:39,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450218614] [2025-02-06 13:52:39,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:39,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:39,118 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:52:39,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:52:39,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:39,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:39,176 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 13:52:39,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:39,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450218614] [2025-02-06 13:52:39,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450218614] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:39,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768727802] [2025-02-06 13:52:39,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:39,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:39,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:39,179 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 13:52:39,180 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 13:52:39,201 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 13:52:39,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 13:52:39,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:39,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:39,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:52:39,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:39,289 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 13:52:39,289 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:52:39,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768727802] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:39,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:52:39,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:52:39,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553177364] [2025-02-06 13:52:39,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:39,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:52:39,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:39,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:52:39,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:52:39,290 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 13:52:39,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:39,380 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2025-02-06 13:52:39,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:52:39,380 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 13:52:39,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:39,382 INFO L225 Difference]: With dead ends: 363 [2025-02-06 13:52:39,382 INFO L226 Difference]: Without dead ends: 355 [2025-02-06 13:52:39,382 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 13:52:39,382 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 13:52:39,382 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 13:52:39,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-06 13:52:39,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2025-02-06 13:52:39,391 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 13:52:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2025-02-06 13:52:39,393 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2025-02-06 13:52:39,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:39,393 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2025-02-06 13:52:39,393 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 13:52:39,393 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2025-02-06 13:52:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 13:52:39,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:39,394 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 13:52:39,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:52:39,594 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 13:52:39,595 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 13:52:39,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:39,595 INFO L85 PathProgramCache]: Analyzing trace with hash -720983024, now seen corresponding path program 1 times [2025-02-06 13:52:39,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:39,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178539681] [2025-02-06 13:52:39,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:39,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:39,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:52:39,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:52:39,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:39,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:39,656 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 13:52:39,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:39,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178539681] [2025-02-06 13:52:39,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178539681] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:39,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93228381] [2025-02-06 13:52:39,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:39,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:39,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:39,661 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 13:52:39,662 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 13:52:39,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 13:52:39,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 13:52:39,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:39,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:39,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:52:39,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:39,768 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 13:52:39,768 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:39,861 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 13:52:39,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93228381] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:52:39,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:52:39,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:52:39,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112084450] [2025-02-06 13:52:39,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:39,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:52:39,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:39,863 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:52:39,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:52:39,864 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 13:52:40,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:40,030 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2025-02-06 13:52:40,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:52:40,031 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 13:52:40,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:40,033 INFO L225 Difference]: With dead ends: 614 [2025-02-06 13:52:40,033 INFO L226 Difference]: Without dead ends: 606 [2025-02-06 13:52:40,034 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 13:52:40,034 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 13:52:40,035 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 13:52:40,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2025-02-06 13:52:40,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2025-02-06 13:52:40,049 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 13:52:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2025-02-06 13:52:40,050 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2025-02-06 13:52:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:40,050 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2025-02-06 13:52:40,050 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 13:52:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2025-02-06 13:52:40,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-06 13:52:40,052 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:40,052 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 13:52:40,058 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 13:52:40,256 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 13:52:40,256 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 13:52:40,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash -188969461, now seen corresponding path program 1 times [2025-02-06 13:52:40,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:40,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492734381] [2025-02-06 13:52:40,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:40,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:52:40,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:52:40,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:40,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:40,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101354540] [2025-02-06 13:52:40,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:40,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:40,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:40,302 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 13:52:40,303 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 13:52:40,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-06 13:52:40,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-06 13:52:40,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:40,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:40,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:52:40,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:40,502 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 13:52:40,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:40,759 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 13:52:40,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:40,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492734381] [2025-02-06 13:52:40,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:40,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [101354540] [2025-02-06 13:52:40,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [101354540] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:52:40,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:52:40,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-06 13:52:40,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560204098] [2025-02-06 13:52:40,760 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:40,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:52:40,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:40,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:52:40,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:52:40,761 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 13:52:40,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:40,977 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2025-02-06 13:52:40,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:52:40,978 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 13:52:40,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:40,979 INFO L225 Difference]: With dead ends: 616 [2025-02-06 13:52:40,979 INFO L226 Difference]: Without dead ends: 611 [2025-02-06 13:52:40,980 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 13:52:40,980 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:40,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:52:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2025-02-06 13:52:40,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2025-02-06 13:52:40,990 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 13:52:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2025-02-06 13:52:40,991 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2025-02-06 13:52:40,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:40,991 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2025-02-06 13:52:40,992 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 13:52:40,992 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2025-02-06 13:52:40,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 13:52:40,992 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:40,992 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 13:52:40,999 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 13:52:41,193 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 13:52:41,194 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 13:52:41,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:41,194 INFO L85 PathProgramCache]: Analyzing trace with hash -709118160, now seen corresponding path program 1 times [2025-02-06 13:52:41,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:41,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551467250] [2025-02-06 13:52:41,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:41,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:41,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 13:52:41,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 13:52:41,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:41,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:41,349 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 13:52:41,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:41,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551467250] [2025-02-06 13:52:41,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551467250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:41,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:41,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:52:41,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294326187] [2025-02-06 13:52:41,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:41,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:52:41,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:41,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:52:41,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:52:41,350 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 13:52:41,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:41,513 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2025-02-06 13:52:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:52:41,513 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 13:52:41,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:41,514 INFO L225 Difference]: With dead ends: 424 [2025-02-06 13:52:41,514 INFO L226 Difference]: Without dead ends: 396 [2025-02-06 13:52:41,515 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 13:52:41,515 INFO L435 NwaCegarLoop]: 210 mSDtfsCounter, 229 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:41,515 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 430 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:52:41,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2025-02-06 13:52:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2025-02-06 13:52:41,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 272 states have (on average 1.4889705882352942) internal successors, (405), 373 states have internal predecessors, (405), 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 13:52:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 447 transitions. [2025-02-06 13:52:41,527 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 447 transitions. Word has length 104 [2025-02-06 13:52:41,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:41,527 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 447 transitions. [2025-02-06 13:52:41,527 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 13:52:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 447 transitions. [2025-02-06 13:52:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-06 13:52:41,527 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:41,528 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 13:52:41,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 13:52:41,528 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 13:52:41,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:41,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1830600648, now seen corresponding path program 1 times [2025-02-06 13:52:41,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:41,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036991666] [2025-02-06 13:52:41,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:41,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:41,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:52:41,546 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:52:41,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:41,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:41,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180080113] [2025-02-06 13:52:41,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:41,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:41,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:41,549 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 13:52:41,551 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 13:52:41,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-06 13:52:41,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-06 13:52:41,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:41,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:41,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:52:41,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:41,997 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 13:52:41,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:42,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:42,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036991666] [2025-02-06 13:52:42,309 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:42,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180080113] [2025-02-06 13:52:42,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180080113] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:42,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:52:42,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:52:42,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104354357] [2025-02-06 13:52:42,309 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:42,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:52:42,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:42,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:52:42,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:52:42,312 INFO L87 Difference]: Start difference. First operand 396 states and 447 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 13:52:43,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:43,174 INFO L93 Difference]: Finished difference Result 522 states and 610 transitions. [2025-02-06 13:52:43,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:52:43,175 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 13:52:43,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:43,177 INFO L225 Difference]: With dead ends: 522 [2025-02-06 13:52:43,177 INFO L226 Difference]: Without dead ends: 497 [2025-02-06 13:52:43,178 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 13:52:43,178 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 131 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:43,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 326 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:52:43,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-06 13:52:43,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 481. [2025-02-06 13:52:43,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 352 states have (on average 1.4943181818181819) internal successors, (526), 453 states have internal predecessors, (526), 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 13:52:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 578 transitions. [2025-02-06 13:52:43,193 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 578 transitions. Word has length 120 [2025-02-06 13:52:43,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:43,193 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 578 transitions. [2025-02-06 13:52:43,193 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 13:52:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 578 transitions. [2025-02-06 13:52:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-06 13:52:43,194 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:43,194 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 13:52:43,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:52:43,395 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 13:52:43,395 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 13:52:43,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:43,396 INFO L85 PathProgramCache]: Analyzing trace with hash -914045021, now seen corresponding path program 1 times [2025-02-06 13:52:43,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:43,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372072118] [2025-02-06 13:52:43,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:43,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:52:43,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:52:43,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:43,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:43,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1275550813] [2025-02-06 13:52:43,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:43,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:43,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:43,416 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 13:52:43,420 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 13:52:43,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-06 13:52:43,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-06 13:52:43,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:43,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:43,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:52:43,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:43,719 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 13:52:43,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:48,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372072118] [2025-02-06 13:52:48,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:48,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275550813] [2025-02-06 13:52:48,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275550813] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:48,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:52:48,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:52:48,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972356423] [2025-02-06 13:52:48,142 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:48,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:52:48,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:48,143 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:52:48,143 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2025-02-06 13:52:48,143 INFO L87 Difference]: Start difference. First operand 481 states and 578 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 13:52:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:48,656 INFO L93 Difference]: Finished difference Result 513 states and 585 transitions. [2025-02-06 13:52:48,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:52:48,656 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 13:52:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:48,658 INFO L225 Difference]: With dead ends: 513 [2025-02-06 13:52:48,658 INFO L226 Difference]: Without dead ends: 497 [2025-02-06 13:52:48,658 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=23, Invalid=32, Unknown=1, NotChecked=0, Total=56 [2025-02-06 13:52:48,658 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 129 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 760 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:48,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 395 Invalid, 775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 760 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:52:48,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2025-02-06 13:52:48,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 481. [2025-02-06 13:52:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 352 states have (on average 1.4488636363636365) internal successors, (510), 453 states have internal predecessors, (510), 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 13:52:48,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 562 transitions. [2025-02-06 13:52:48,669 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 562 transitions. Word has length 121 [2025-02-06 13:52:48,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:48,670 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 562 transitions. [2025-02-06 13:52:48,670 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 13:52:48,670 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 562 transitions. [2025-02-06 13:52:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-06 13:52:48,670 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:48,671 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 13:52:48,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:52:48,871 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 13:52:48,872 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 13:52:48,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:48,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1729375638, now seen corresponding path program 1 times [2025-02-06 13:52:48,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:48,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137997511] [2025-02-06 13:52:48,873 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:48,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:48,880 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:52:48,884 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:52:48,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:48,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:48,952 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 13:52:48,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:48,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137997511] [2025-02-06 13:52:48,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137997511] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:48,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925593689] [2025-02-06 13:52:48,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:48,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:48,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:48,958 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 13:52:48,961 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 13:52:48,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-06 13:52:49,005 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-06 13:52:49,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:49,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:49,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:52:49,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:49,159 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 13:52:49,159 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:49,288 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 13:52:49,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1925593689] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:52:49,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:52:49,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-06 13:52:49,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197660530] [2025-02-06 13:52:49,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:49,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:52:49,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:49,290 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:52:49,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:52:49,290 INFO L87 Difference]: Start difference. First operand 481 states and 562 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 13:52:49,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:49,895 INFO L93 Difference]: Finished difference Result 497 states and 569 transitions. [2025-02-06 13:52:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:52:49,895 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 13:52:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:49,896 INFO L225 Difference]: With dead ends: 497 [2025-02-06 13:52:49,896 INFO L226 Difference]: Without dead ends: 492 [2025-02-06 13:52:49,897 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 13:52:49,897 INFO L435 NwaCegarLoop]: 197 mSDtfsCounter, 332 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 344 SdHoareTripleChecker+Valid, 547 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:49,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [344 Valid, 547 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 13:52:49,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-02-06 13:52:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 477. [2025-02-06 13:52:49,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 352 states have (on average 1.4232954545454546) internal successors, (501), 449 states have internal predecessors, (501), 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 13:52:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 553 transitions. [2025-02-06 13:52:49,922 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 553 transitions. Word has length 122 [2025-02-06 13:52:49,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:49,923 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 553 transitions. [2025-02-06 13:52:49,923 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 13:52:49,923 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 553 transitions. [2025-02-06 13:52:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 13:52:49,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:49,924 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 13:52:49,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 13:52:50,124 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 13:52:50,124 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 13:52:50,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:50,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2071037441, now seen corresponding path program 1 times [2025-02-06 13:52:50,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:50,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502234129] [2025-02-06 13:52:50,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:50,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:50,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:52:50,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:52:50,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:50,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:50,257 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 13:52:50,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502234129] [2025-02-06 13:52:50,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502234129] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:50,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581361695] [2025-02-06 13:52:50,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:50,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:50,264 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 13:52:50,265 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 13:52:50,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 13:52:50,306 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 13:52:50,306 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:50,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:50,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:52:50,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:50,453 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 13:52:50,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:50,574 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 13:52:50,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581361695] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:52:50,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:52:50,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-06 13:52:50,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910353832] [2025-02-06 13:52:50,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:50,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:52:50,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:50,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:52:50,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:52:50,577 INFO L87 Difference]: Start difference. First operand 477 states and 553 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 13:52:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:51,051 INFO L93 Difference]: Finished difference Result 493 states and 560 transitions. [2025-02-06 13:52:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:52:51,052 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 13:52:51,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:51,053 INFO L225 Difference]: With dead ends: 493 [2025-02-06 13:52:51,053 INFO L226 Difference]: Without dead ends: 488 [2025-02-06 13:52:51,054 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 13:52:51,054 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 330 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:51,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 586 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:52:51,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-02-06 13:52:51,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 473. [2025-02-06 13:52:51,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 352 states have (on average 1.3977272727272727) internal successors, (492), 445 states have internal predecessors, (492), 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 13:52:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 544 transitions. [2025-02-06 13:52:51,064 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 544 transitions. Word has length 123 [2025-02-06 13:52:51,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:51,064 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 544 transitions. [2025-02-06 13:52:51,064 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 13:52:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 544 transitions. [2025-02-06 13:52:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-06 13:52:51,065 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:51,065 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 13:52:51,071 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 13:52:51,265 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 13:52:51,266 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 13:52:51,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:51,267 INFO L85 PathProgramCache]: Analyzing trace with hash -222348556, now seen corresponding path program 1 times [2025-02-06 13:52:51,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:51,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569262154] [2025-02-06 13:52:51,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:51,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:51,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:52:51,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:52:51,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:51,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:52:51,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385136093] [2025-02-06 13:52:51,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:51,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:51,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:51,300 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 13:52:51,302 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 13:52:51,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-02-06 13:52:51,341 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-02-06 13:52:51,341 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:51,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:51,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:52:51,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:51,734 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 13:52:51,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:51,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569262154] [2025-02-06 13:52:51,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:52:51,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385136093] [2025-02-06 13:52:51,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385136093] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:51,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:52:51,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:52:51,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056886767] [2025-02-06 13:52:51,898 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:51,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:52:51,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:51,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:52:51,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:52:51,900 INFO L87 Difference]: Start difference. First operand 473 states and 544 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 13:52:52,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:52,427 INFO L93 Difference]: Finished difference Result 492 states and 551 transitions. [2025-02-06 13:52:52,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:52:52,427 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 13:52:52,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:52,432 INFO L225 Difference]: With dead ends: 492 [2025-02-06 13:52:52,432 INFO L226 Difference]: Without dead ends: 477 [2025-02-06 13:52:52,432 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 13:52:52,433 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 112 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:52,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 336 Invalid, 858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:52:52,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-02-06 13:52:52,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2025-02-06 13:52:52,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 355 states have (on average 1.36056338028169) internal successors, (483), 448 states have internal predecessors, (483), 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 13:52:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 535 transitions. [2025-02-06 13:52:52,444 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 535 transitions. Word has length 124 [2025-02-06 13:52:52,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:52,445 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 535 transitions. [2025-02-06 13:52:52,445 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 13:52:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 535 transitions. [2025-02-06 13:52:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2025-02-06 13:52:52,446 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:52,446 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 13:52:52,452 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 13:52:52,646 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 13:52:52,647 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 13:52:52,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:52,647 INFO L85 PathProgramCache]: Analyzing trace with hash 1697129567, now seen corresponding path program 1 times [2025-02-06 13:52:52,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:52,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580442955] [2025-02-06 13:52:52,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:52,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:52,655 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:52:52,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:52:52,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:52,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:52,731 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 13:52:52,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:52,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580442955] [2025-02-06 13:52:52,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580442955] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:52,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723167709] [2025-02-06 13:52:52,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:52,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:52,734 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 13:52:52,738 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 13:52:52,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 125 statements into 1 equivalence classes. [2025-02-06 13:52:52,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 125 of 125 statements. [2025-02-06 13:52:52,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:52,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:52,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:52:52,780 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:53,063 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 13:52:53,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:53,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723167709] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:53,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:52:53,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2025-02-06 13:52:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229144191] [2025-02-06 13:52:53,129 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:53,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:52:53,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:53,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:52:53,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:52:53,130 INFO L87 Difference]: Start difference. First operand 476 states and 535 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 13:52:54,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:54,651 INFO L93 Difference]: Finished difference Result 490 states and 536 transitions. [2025-02-06 13:52:54,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:52:54,652 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 13:52:54,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:54,653 INFO L225 Difference]: With dead ends: 490 [2025-02-06 13:52:54,653 INFO L226 Difference]: Without dead ends: 488 [2025-02-06 13:52:54,653 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 13:52:54,657 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 171 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:54,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 661 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-02-06 13:52:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-02-06 13:52:54,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 476. [2025-02-06 13:52:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 355 states have (on average 1.3549295774647887) internal successors, (481), 448 states have internal predecessors, (481), 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 13:52:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 533 transitions. [2025-02-06 13:52:54,675 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 533 transitions. Word has length 125 [2025-02-06 13:52:54,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:54,675 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 533 transitions. [2025-02-06 13:52:54,675 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 13:52:54,676 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 533 transitions. [2025-02-06 13:52:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2025-02-06 13:52:54,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:54,677 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 13:52:54,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 13:52:54,877 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 13:52:54,878 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 13:52:54,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash -1844248293, now seen corresponding path program 1 times [2025-02-06 13:52:54,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:54,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398547594] [2025-02-06 13:52:54,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:54,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:54,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 13:52:54,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 13:52:54,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:54,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:55,044 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 13:52:55,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:55,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398547594] [2025-02-06 13:52:55,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398547594] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:55,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124740198] [2025-02-06 13:52:55,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:55,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:55,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:55,047 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 13:52:55,050 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 13:52:55,074 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-02-06 13:52:55,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-02-06 13:52:55,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:55,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:55,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:52:55,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:55,409 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 13:52:55,409 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:55,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124740198] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:55,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:52:55,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2025-02-06 13:52:55,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019218053] [2025-02-06 13:52:55,480 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:55,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:52:55,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:55,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:52:55,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:52:55,481 INFO L87 Difference]: Start difference. First operand 476 states and 533 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 13:52:56,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:56,794 INFO L93 Difference]: Finished difference Result 476 states and 533 transitions. [2025-02-06 13:52:56,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:52:56,798 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 13:52:56,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:56,799 INFO L225 Difference]: With dead ends: 476 [2025-02-06 13:52:56,802 INFO L226 Difference]: Without dead ends: 448 [2025-02-06 13:52:56,803 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 13:52:56,803 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 488 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:56,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 323 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-06 13:52:56,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2025-02-06 13:52:56,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2025-02-06 13:52:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 355 states have (on average 1.2619718309859156) internal successors, (448), 420 states have internal predecessors, (448), 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 13:52:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 500 transitions. [2025-02-06 13:52:56,826 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 500 transitions. Word has length 129 [2025-02-06 13:52:56,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:56,826 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 500 transitions. [2025-02-06 13:52:56,826 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 13:52:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 500 transitions. [2025-02-06 13:52:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 13:52:56,828 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:56,828 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 13:52:56,835 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 13:52:57,029 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 13:52:57,030 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 13:52:57,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:57,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1619353047, now seen corresponding path program 1 times [2025-02-06 13:52:57,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:57,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625177562] [2025-02-06 13:52:57,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:57,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:57,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 13:52:57,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 13:52:57,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:57,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:57,188 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 13:52:57,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:57,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625177562] [2025-02-06 13:52:57,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625177562] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:57,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549831813] [2025-02-06 13:52:57,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:57,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:52:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:52:57,197 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 13:52:57,200 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 13:52:57,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 13:52:57,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 13:52:57,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:57,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:57,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:52:57,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:52:57,692 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 13:52:57,693 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:52:58,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549831813] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:52:58,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:52:58,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2025-02-06 13:52:58,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684349779] [2025-02-06 13:52:58,809 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:52:58,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:52:58,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:58,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:52:58,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:52:58,810 INFO L87 Difference]: Start difference. First operand 448 states and 500 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 13:52:59,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:52:59,691 INFO L93 Difference]: Finished difference Result 448 states and 500 transitions. [2025-02-06 13:52:59,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:52:59,695 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 13:52:59,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:52:59,696 INFO L225 Difference]: With dead ends: 448 [2025-02-06 13:52:59,696 INFO L226 Difference]: Without dead ends: 408 [2025-02-06 13:52:59,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:52:59,697 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 448 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:52:59,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 420 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:52:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-06 13:52:59,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-02-06 13:52:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 327 states have (on average 1.2415902140672783) internal successors, (406), 382 states have internal predecessors, (406), 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 13:52:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 454 transitions. [2025-02-06 13:52:59,710 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 454 transitions. Word has length 133 [2025-02-06 13:52:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:52:59,711 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 454 transitions. [2025-02-06 13:52:59,711 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 13:52:59,711 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 454 transitions. [2025-02-06 13:52:59,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-02-06 13:52:59,713 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:52:59,713 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 13:52:59,721 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 13:52:59,913 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 13:52:59,913 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 13:52:59,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:52:59,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1128365597, now seen corresponding path program 1 times [2025-02-06 13:52:59,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:52:59,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368477359] [2025-02-06 13:52:59,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:52:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:52:59,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-06 13:52:59,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-06 13:52:59,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:52:59,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:52:59,982 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 13:52:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:52:59,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368477359] [2025-02-06 13:52:59,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368477359] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:52:59,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:52:59,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:52:59,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046458604] [2025-02-06 13:52:59,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:52:59,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:52:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:52:59,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:52:59,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:52:59,984 INFO L87 Difference]: Start difference. First operand 408 states and 454 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 13:53:00,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:00,211 INFO L93 Difference]: Finished difference Result 408 states and 454 transitions. [2025-02-06 13:53:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:53:00,211 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 13:53:00,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:00,213 INFO L225 Difference]: With dead ends: 408 [2025-02-06 13:53:00,213 INFO L226 Difference]: Without dead ends: 407 [2025-02-06 13:53:00,213 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 13:53:00,213 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 270 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 183 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 13:53:00,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 183 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:00,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-02-06 13:53:00,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2025-02-06 13:53:00,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.235474006116208) internal successors, (404), 381 states have internal predecessors, (404), 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 13:53:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 452 transitions. [2025-02-06 13:53:00,222 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 452 transitions. Word has length 162 [2025-02-06 13:53:00,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:00,222 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 452 transitions. [2025-02-06 13:53:00,222 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 13:53:00,222 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 452 transitions. [2025-02-06 13:53:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-06 13:53:00,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:00,223 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 13:53:00,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2025-02-06 13:53:00,223 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:00,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:00,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1611905023, now seen corresponding path program 1 times [2025-02-06 13:53:00,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:00,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014008426] [2025-02-06 13:53:00,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:00,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 13:53:00,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 13:53:00,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:00,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:00,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733053240] [2025-02-06 13:53:00,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:00,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:00,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:00,241 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 13:53:00,245 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 13:53:00,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-06 13:53:00,322 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-06 13:53:00,322 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:00,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:00,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:53:00,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:00,670 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 13:53:00,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:05,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:05,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014008426] [2025-02-06 13:53:05,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:05,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733053240] [2025-02-06 13:53:05,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733053240] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:05,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:05,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:05,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598508309] [2025-02-06 13:53:05,198 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:05,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:05,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:05,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:05,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2025-02-06 13:53:05,202 INFO L87 Difference]: Start difference. First operand 407 states and 452 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 13:53:05,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:05,628 INFO L93 Difference]: Finished difference Result 409 states and 452 transitions. [2025-02-06 13:53:05,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:53:05,629 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 13:53:05,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:05,630 INFO L225 Difference]: With dead ends: 409 [2025-02-06 13:53:05,630 INFO L226 Difference]: Without dead ends: 408 [2025-02-06 13:53:05,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=33, Invalid=56, Unknown=1, NotChecked=0, Total=90 [2025-02-06 13:53:05,630 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 59 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 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 13:53:05,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 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 13:53:05,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-06 13:53:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2025-02-06 13:53:05,638 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 13:53:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 451 transitions. [2025-02-06 13:53:05,639 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 451 transitions. Word has length 170 [2025-02-06 13:53:05,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:05,639 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 451 transitions. [2025-02-06 13:53:05,639 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 13:53:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 451 transitions. [2025-02-06 13:53:05,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-02-06 13:53:05,640 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:05,640 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 13:53:05,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 13:53:05,840 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 13:53:05,844 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:05,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:05,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1570551709, now seen corresponding path program 1 times [2025-02-06 13:53:05,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:05,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721002351] [2025-02-06 13:53:05,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:05,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:05,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 13:53:05,875 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 13:53:05,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:05,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:05,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90868098] [2025-02-06 13:53:05,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:05,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:05,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:05,883 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 13:53:05,884 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 13:53:05,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-02-06 13:53:05,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-02-06 13:53:05,932 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:05,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:05,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:53:05,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:06,335 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 13:53:06,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:06,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:06,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721002351] [2025-02-06 13:53:06,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:06,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90868098] [2025-02-06 13:53:06,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90868098] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:06,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:06,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 13:53:06,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907640566] [2025-02-06 13:53:06,456 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:06,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:06,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:06,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:06,456 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:53:06,457 INFO L87 Difference]: Start difference. First operand 407 states and 451 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 13:53:06,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:06,895 INFO L93 Difference]: Finished difference Result 419 states and 451 transitions. [2025-02-06 13:53:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:06,895 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 13:53:06,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:06,897 INFO L225 Difference]: With dead ends: 419 [2025-02-06 13:53:06,897 INFO L226 Difference]: Without dead ends: 418 [2025-02-06 13:53:06,897 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 13:53:06,897 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 119 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 849 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 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 13:53:06,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 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 13:53:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2025-02-06 13:53:06,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 407. [2025-02-06 13:53:06,905 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 13:53:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 450 transitions. [2025-02-06 13:53:06,906 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 450 transitions. Word has length 171 [2025-02-06 13:53:06,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:06,906 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 450 transitions. [2025-02-06 13:53:06,906 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 13:53:06,906 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 450 transitions. [2025-02-06 13:53:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-02-06 13:53:06,907 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:06,907 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 13:53:06,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:07,107 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 13:53:07,108 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:07,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:07,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1067886843, now seen corresponding path program 1 times [2025-02-06 13:53:07,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:07,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989492670] [2025-02-06 13:53:07,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:07,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:07,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 13:53:07,126 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 13:53:07,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:07,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:07,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [185295049] [2025-02-06 13:53:07,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:07,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:07,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:07,131 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 13:53:07,134 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 13:53:07,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-02-06 13:53:07,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-02-06 13:53:07,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:07,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:07,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 13:53:07,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:08,511 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 13:53:08,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:09,115 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 13:53:09,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:09,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989492670] [2025-02-06 13:53:09,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:09,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185295049] [2025-02-06 13:53:09,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185295049] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:09,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:09,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-02-06 13:53:09,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697890377] [2025-02-06 13:53:09,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:09,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:09,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:09,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:09,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:09,118 INFO L87 Difference]: Start difference. First operand 407 states and 450 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 13:53:11,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:11,236 INFO L93 Difference]: Finished difference Result 416 states and 450 transitions. [2025-02-06 13:53:11,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:53:11,236 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 13:53:11,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:11,237 INFO L225 Difference]: With dead ends: 416 [2025-02-06 13:53:11,237 INFO L226 Difference]: Without dead ends: 408 [2025-02-06 13:53:11,238 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 13:53:11,238 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 470 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1295 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:11,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 292 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1295 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2025-02-06 13:53:11,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-06 13:53:11,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2025-02-06 13:53:11,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 327 states have (on average 1.2048929663608563) internal successors, (394), 381 states have internal predecessors, (394), 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 13:53:11,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 442 transitions. [2025-02-06 13:53:11,248 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 442 transitions. Word has length 174 [2025-02-06 13:53:11,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:11,249 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 442 transitions. [2025-02-06 13:53:11,249 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 13:53:11,249 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 442 transitions. [2025-02-06 13:53:11,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-02-06 13:53:11,250 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:11,250 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 13:53:11,260 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 13:53:11,450 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 13:53:11,451 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:11,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1835273315, now seen corresponding path program 1 times [2025-02-06 13:53:11,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:11,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250703604] [2025-02-06 13:53:11,451 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:11,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:11,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 13:53:11,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 13:53:11,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:11,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:11,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862827107] [2025-02-06 13:53:11,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:11,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:11,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:11,491 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 13:53:11,499 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 13:53:11,536 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 193 statements into 1 equivalence classes. [2025-02-06 13:53:11,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 193 of 193 statements. [2025-02-06 13:53:11,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:11,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:11,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-06 13:53:11,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:12,131 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 13:53:12,131 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:12,526 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 13:53:12,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:12,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250703604] [2025-02-06 13:53:12,526 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:12,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862827107] [2025-02-06 13:53:12,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862827107] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:12,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:12,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 13:53:12,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619368239] [2025-02-06 13:53:12,527 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:12,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 13:53:12,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:12,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 13:53:12,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:53:12,528 INFO L87 Difference]: Start difference. First operand 407 states and 442 transitions. Second operand has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-06 13:53:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:13,552 INFO L93 Difference]: Finished difference Result 481 states and 540 transitions. [2025-02-06 13:53:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:53:13,553 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 193 [2025-02-06 13:53:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:13,554 INFO L225 Difference]: With dead ends: 481 [2025-02-06 13:53:13,554 INFO L226 Difference]: Without dead ends: 474 [2025-02-06 13:53:13,554 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-06 13:53:13,555 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 324 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 1602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:13,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 249 Invalid, 1602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1572 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 13:53:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2025-02-06 13:53:13,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2025-02-06 13:53:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 387 states have (on average 1.2196382428940569) internal successors, (472), 441 states have internal predecessors, (472), 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 13:53:13,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 532 transitions. [2025-02-06 13:53:13,568 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 532 transitions. Word has length 193 [2025-02-06 13:53:13,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:13,568 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 532 transitions. [2025-02-06 13:53:13,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.46153846153846) internal successors, (266), 14 states have internal predecessors, (266), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-06 13:53:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 532 transitions. [2025-02-06 13:53:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-06 13:53:13,569 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:13,569 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 13:53:13,575 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 13:53:13,769 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 13:53:13,772 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:13,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:13,772 INFO L85 PathProgramCache]: Analyzing trace with hash -742734459, now seen corresponding path program 1 times [2025-02-06 13:53:13,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:13,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933004152] [2025-02-06 13:53:13,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:13,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 13:53:13,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 13:53:13,797 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:13,797 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:13,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [13527810] [2025-02-06 13:53:13,799 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:13,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:13,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:13,801 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 13:53:13,803 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 13:53:13,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-02-06 13:53:13,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-02-06 13:53:13,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:13,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:13,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:53:13,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:13,987 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 13:53:13,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:14,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:14,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933004152] [2025-02-06 13:53:14,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:14,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13527810] [2025-02-06 13:53:14,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13527810] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:14,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:14,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 13:53:14,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676308442] [2025-02-06 13:53:14,046 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:14,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:53:14,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:14,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:53:14,046 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:53:14,046 INFO L87 Difference]: Start difference. First operand 473 states and 532 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 13:53:14,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:14,161 INFO L93 Difference]: Finished difference Result 593 states and 625 transitions. [2025-02-06 13:53:14,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:53:14,162 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 13:53:14,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:14,163 INFO L225 Difference]: With dead ends: 593 [2025-02-06 13:53:14,163 INFO L226 Difference]: Without dead ends: 592 [2025-02-06 13:53:14,163 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 13:53:14,164 INFO L435 NwaCegarLoop]: 195 mSDtfsCounter, 226 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:14,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 658 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:53:14,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2025-02-06 13:53:14,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 473. [2025-02-06 13:53:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 387 states have (on average 1.2170542635658914) internal successors, (471), 441 states have internal predecessors, (471), 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 13:53:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 531 transitions. [2025-02-06 13:53:14,176 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 531 transitions. Word has length 195 [2025-02-06 13:53:14,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:14,176 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 531 transitions. [2025-02-06 13:53:14,176 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 13:53:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 531 transitions. [2025-02-06 13:53:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-06 13:53:14,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:14,177 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 13:53:14,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:14,381 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 13:53:14,381 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:14,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:14,385 INFO L85 PathProgramCache]: Analyzing trace with hash -532818610, now seen corresponding path program 2 times [2025-02-06 13:53:14,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:14,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881147841] [2025-02-06 13:53:14,385 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:14,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:14,399 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-06 13:53:14,416 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 13:53:14,416 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:14,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:14,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [406742839] [2025-02-06 13:53:14,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:14,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:14,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:14,419 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 13:53:14,421 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 13:53:14,468 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-06 13:53:14,495 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-06 13:53:14,495 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:14,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:14,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:53:14,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:14,788 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 13:53:14,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:15,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:15,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881147841] [2025-02-06 13:53:15,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:15,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406742839] [2025-02-06 13:53:15,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406742839] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:15,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:15,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 13:53:15,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459439642] [2025-02-06 13:53:15,065 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:15,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:53:15,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:15,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:53:15,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:15,066 INFO L87 Difference]: Start difference. First operand 473 states and 531 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 13:53:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:15,800 INFO L93 Difference]: Finished difference Result 557 states and 628 transitions. [2025-02-06 13:53:15,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:15,801 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 13:53:15,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:15,802 INFO L225 Difference]: With dead ends: 557 [2025-02-06 13:53:15,803 INFO L226 Difference]: Without dead ends: 543 [2025-02-06 13:53:15,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:15,803 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 231 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 876 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:15,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 501 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 876 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:53:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-02-06 13:53:15,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 527. [2025-02-06 13:53:15,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 438 states have (on average 1.2168949771689497) internal successors, (533), 492 states have internal predecessors, (533), 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 13:53:15,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 599 transitions. [2025-02-06 13:53:15,820 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 599 transitions. Word has length 202 [2025-02-06 13:53:15,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:15,820 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 599 transitions. [2025-02-06 13:53:15,820 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 13:53:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 599 transitions. [2025-02-06 13:53:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2025-02-06 13:53:15,821 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:15,821 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 13:53:15,828 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 13:53:16,021 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 13:53:16,022 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:16,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:16,022 INFO L85 PathProgramCache]: Analyzing trace with hash -937569044, now seen corresponding path program 2 times [2025-02-06 13:53:16,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:16,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380139732] [2025-02-06 13:53:16,023 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:16,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:16,029 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-02-06 13:53:16,038 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-06 13:53:16,040 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:16,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:16,144 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 13:53:16,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380139732] [2025-02-06 13:53:16,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380139732] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:16,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518138660] [2025-02-06 13:53:16,145 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:16,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:16,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:16,147 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 13:53:16,148 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 13:53:16,175 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 204 statements into 2 equivalence classes. [2025-02-06 13:53:16,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 204 of 204 statements. [2025-02-06 13:53:16,203 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:16,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:16,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:53:16,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:16,541 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 13:53:16,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:16,752 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 13:53:16,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518138660] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:16,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:53:16,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:53:16,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698932671] [2025-02-06 13:53:16,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:16,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:53:16,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:16,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:53:16,754 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:53:16,754 INFO L87 Difference]: Start difference. First operand 527 states and 599 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 13:53:17,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:17,631 INFO L93 Difference]: Finished difference Result 583 states and 650 transitions. [2025-02-06 13:53:17,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:53:17,632 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 13:53:17,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:17,634 INFO L225 Difference]: With dead ends: 583 [2025-02-06 13:53:17,634 INFO L226 Difference]: Without dead ends: 582 [2025-02-06 13:53:17,634 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 13:53:17,634 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 534 mSDsluCounter, 651 mSDsCounter, 0 mSdLazyCounter, 1458 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:17,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 738 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1458 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:53:17,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2025-02-06 13:53:17,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 561. [2025-02-06 13:53:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 469 states have (on average 1.208955223880597) internal successors, (567), 523 states have internal predecessors, (567), 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 13:53:17,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 639 transitions. [2025-02-06 13:53:17,652 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 639 transitions. Word has length 204 [2025-02-06 13:53:17,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:17,654 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 639 transitions. [2025-02-06 13:53:17,654 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 13:53:17,655 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 639 transitions. [2025-02-06 13:53:17,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-06 13:53:17,655 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:17,655 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 13:53:17,662 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 13:53:17,856 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 13:53:17,856 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:17,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:17,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1000130921, now seen corresponding path program 2 times [2025-02-06 13:53:17,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:17,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634207333] [2025-02-06 13:53:17,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:17,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:17,863 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-02-06 13:53:17,879 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 13:53:17,879 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:17,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:17,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2067253680] [2025-02-06 13:53:17,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:17,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:17,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:17,882 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 13:53:17,888 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 13:53:17,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 205 statements into 2 equivalence classes. [2025-02-06 13:53:17,943 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-02-06 13:53:17,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:17,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:17,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 13:53:17,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:18,443 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 13:53:18,443 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:18,834 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 13:53:18,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:18,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634207333] [2025-02-06 13:53:18,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:18,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067253680] [2025-02-06 13:53:18,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067253680] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:18,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:18,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:53:18,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069898532] [2025-02-06 13:53:18,835 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:18,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:53:18,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:18,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:53:18,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:53:18,836 INFO L87 Difference]: Start difference. First operand 561 states and 639 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 13:53:21,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:21,616 INFO L93 Difference]: Finished difference Result 604 states and 664 transitions. [2025-02-06 13:53:21,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 13:53:21,616 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 13:53:21,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:21,621 INFO L225 Difference]: With dead ends: 604 [2025-02-06 13:53:21,621 INFO L226 Difference]: Without dead ends: 470 [2025-02-06 13:53:21,621 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 13:53:21,621 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 1409 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 2509 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 2509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:21,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 1001 Invalid, 2643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 2509 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-06 13:53:21,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-02-06 13:53:21,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 453. [2025-02-06 13:53:21,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 369 states have (on average 1.1951219512195121) internal successors, (441), 421 states have internal predecessors, (441), 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 13:53:21,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 501 transitions. [2025-02-06 13:53:21,644 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 501 transitions. Word has length 205 [2025-02-06 13:53:21,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:21,644 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 501 transitions. [2025-02-06 13:53:21,644 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 13:53:21,645 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 501 transitions. [2025-02-06 13:53:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-02-06 13:53:21,645 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:21,645 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 13:53:21,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 13:53:21,846 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 13:53:21,846 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:21,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:21,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1263557332, now seen corresponding path program 1 times [2025-02-06 13:53:21,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:21,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564921341] [2025-02-06 13:53:21,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:21,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:21,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 247 statements into 1 equivalence classes. [2025-02-06 13:53:21,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 247 of 247 statements. [2025-02-06 13:53:21,872 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:21,872 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:21,935 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 13:53:21,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:21,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564921341] [2025-02-06 13:53:21,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564921341] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:21,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:21,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:53:21,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86022002] [2025-02-06 13:53:21,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:21,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:53:21,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:21,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:53:21,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:53:21,936 INFO L87 Difference]: Start difference. First operand 453 states and 501 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 13:53:22,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:22,180 INFO L93 Difference]: Finished difference Result 453 states and 501 transitions. [2025-02-06 13:53:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:53:22,181 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 13:53:22,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:22,182 INFO L225 Difference]: With dead ends: 453 [2025-02-06 13:53:22,182 INFO L226 Difference]: Without dead ends: 452 [2025-02-06 13:53:22,182 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 13:53:22,183 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 120 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:22,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 146 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:22,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2025-02-06 13:53:22,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2025-02-06 13:53:22,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 369 states have (on average 1.1897018970189701) internal successors, (439), 420 states have internal predecessors, (439), 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 13:53:22,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 499 transitions. [2025-02-06 13:53:22,198 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 499 transitions. Word has length 247 [2025-02-06 13:53:22,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:22,198 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 499 transitions. [2025-02-06 13:53:22,198 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 13:53:22,199 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 499 transitions. [2025-02-06 13:53:22,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-06 13:53:22,201 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:22,201 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 13:53:22,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-02-06 13:53:22,201 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:22,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash 540819892, now seen corresponding path program 2 times [2025-02-06 13:53:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500823680] [2025-02-06 13:53:22,201 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:22,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-06 13:53:22,227 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 13:53:22,228 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:22,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:22,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708510013] [2025-02-06 13:53:22,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:22,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:22,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:22,234 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 13:53:22,235 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 13:53:22,265 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-06 13:53:22,298 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-06 13:53:22,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:22,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:22,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:53:22,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:22,894 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 13:53:22,894 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:23,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:23,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500823680] [2025-02-06 13:53:23,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:23,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708510013] [2025-02-06 13:53:23,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708510013] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:23,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:23,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:53:23,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125720328] [2025-02-06 13:53:23,393 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:23,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:23,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:23,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:23,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:23,394 INFO L87 Difference]: Start difference. First operand 452 states and 499 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:53:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:24,220 INFO L93 Difference]: Finished difference Result 452 states and 499 transitions. [2025-02-06 13:53:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:53:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 251 [2025-02-06 13:53:24,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:24,221 INFO L225 Difference]: With dead ends: 452 [2025-02-06 13:53:24,225 INFO L226 Difference]: Without dead ends: 449 [2025-02-06 13:53:24,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:53:24,226 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 542 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:24,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 158 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 13:53:24,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-02-06 13:53:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2025-02-06 13:53:24,240 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 13:53:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 493 transitions. [2025-02-06 13:53:24,240 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 493 transitions. Word has length 251 [2025-02-06 13:53:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:24,241 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 493 transitions. [2025-02-06 13:53:24,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:53:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 493 transitions. [2025-02-06 13:53:24,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-02-06 13:53:24,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:24,242 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 13:53:24,248 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 13:53:24,442 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,SelfDestructingSolverStorable35 [2025-02-06 13:53:24,442 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:24,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:24,443 INFO L85 PathProgramCache]: Analyzing trace with hash -414452402, now seen corresponding path program 2 times [2025-02-06 13:53:24,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:24,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312548749] [2025-02-06 13:53:24,443 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:24,452 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-06 13:53:24,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 13:53:24,465 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:24,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:24,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256312293] [2025-02-06 13:53:24,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:24,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:24,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:24,471 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 13:53:24,472 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 13:53:24,504 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-02-06 13:53:24,536 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-02-06 13:53:24,536 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:24,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:24,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:53:24,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:24,836 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 13:53:24,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:25,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:25,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312548749] [2025-02-06 13:53:25,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:25,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256312293] [2025-02-06 13:53:25,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256312293] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:25,196 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:25,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:53:25,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364444014] [2025-02-06 13:53:25,196 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:25,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:53:25,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:25,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:53:25,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:53:25,197 INFO L87 Difference]: Start difference. First operand 449 states and 493 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 13:53:25,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:25,590 INFO L93 Difference]: Finished difference Result 450 states and 493 transitions. [2025-02-06 13:53:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:53:25,590 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 13:53:25,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:25,592 INFO L225 Difference]: With dead ends: 450 [2025-02-06 13:53:25,592 INFO L226 Difference]: Without dead ends: 449 [2025-02-06 13:53:25,592 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 13:53:25,592 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 58 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:25,592 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1088 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:25,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-02-06 13:53:25,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2025-02-06 13:53:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 369 states have (on average 1.170731707317073) internal successors, (432), 417 states have internal predecessors, (432), 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 13:53:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 492 transitions. [2025-02-06 13:53:25,617 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 492 transitions. Word has length 252 [2025-02-06 13:53:25,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:25,617 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 492 transitions. [2025-02-06 13:53:25,617 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 13:53:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 492 transitions. [2025-02-06 13:53:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-06 13:53:25,618 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:25,618 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 13:53:25,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:25,819 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,SelfDestructingSolverStorable36 [2025-02-06 13:53:25,819 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:25,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:25,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1079595056, now seen corresponding path program 2 times [2025-02-06 13:53:25,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:25,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322786057] [2025-02-06 13:53:25,820 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:25,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:25,827 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-06 13:53:25,843 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-06 13:53:25,843 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:25,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:25,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1648588710] [2025-02-06 13:53:25,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:53:25,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:25,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:25,849 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 13:53:25,850 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 13:53:25,881 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-06 13:53:25,933 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-06 13:53:25,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:53:25,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:25,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 13:53:25,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:26,830 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 13:53:26,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:27,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:27,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322786057] [2025-02-06 13:53:27,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:27,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648588710] [2025-02-06 13:53:27,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648588710] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:27,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:27,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:53:27,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911223329] [2025-02-06 13:53:27,162 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:27,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:27,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:27,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:27,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:53:27,163 INFO L87 Difference]: Start difference. First operand 449 states and 492 transitions. Second operand has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:53:28,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:28,111 INFO L93 Difference]: Finished difference Result 451 states and 492 transitions. [2025-02-06 13:53:28,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:53:28,111 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 255 [2025-02-06 13:53:28,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:28,113 INFO L225 Difference]: With dead ends: 451 [2025-02-06 13:53:28,113 INFO L226 Difference]: Without dead ends: 449 [2025-02-06 13:53:28,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-02-06 13:53:28,115 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 25 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 2390 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 2391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:28,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 516 Invalid, 2391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2390 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-06 13:53:28,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-02-06 13:53:28,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2025-02-06 13:53:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 369 states have (on average 1.165311653116531) internal successors, (430), 417 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 13:53:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 490 transitions. [2025-02-06 13:53:28,129 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 490 transitions. Word has length 255 [2025-02-06 13:53:28,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:28,129 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 490 transitions. [2025-02-06 13:53:28,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-06 13:53:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 490 transitions. [2025-02-06 13:53:28,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 13:53:28,131 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:28,131 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, 1] [2025-02-06 13:53:28,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-06 13:53:28,335 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,SelfDestructingSolverStorable37 [2025-02-06 13:53:28,335 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:28,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:28,336 INFO L85 PathProgramCache]: Analyzing trace with hash -892291510, now seen corresponding path program 1 times [2025-02-06 13:53:28,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:28,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613230042] [2025-02-06 13:53:28,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:28,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:28,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 256 statements into 1 equivalence classes. [2025-02-06 13:53:28,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 13:53:28,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:28,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:28,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [806927405] [2025-02-06 13:53:28,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:28,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:28,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:28,356 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 13:53:28,359 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 13:53:28,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 256 statements into 1 equivalence classes. [2025-02-06 13:53:28,417 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 13:53:28,417 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:28,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:28,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 13:53:28,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:29,227 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 13:53:29,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:29,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:29,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613230042] [2025-02-06 13:53:29,350 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:29,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806927405] [2025-02-06 13:53:29,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806927405] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:29,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:53:29,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-06 13:53:29,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533456929] [2025-02-06 13:53:29,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:29,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 13:53:29,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:29,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 13:53:29,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:53:29,351 INFO L87 Difference]: Start difference. First operand 449 states and 490 transitions. Second operand has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 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 13:53:30,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:30,043 INFO L93 Difference]: Finished difference Result 453 states and 490 transitions. [2025-02-06 13:53:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:53:30,043 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 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 256 [2025-02-06 13:53:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:30,045 INFO L225 Difference]: With dead ends: 453 [2025-02-06 13:53:30,045 INFO L226 Difference]: Without dead ends: 449 [2025-02-06 13:53:30,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:53:30,045 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 54 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 2114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:30,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 441 Invalid, 2120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2114 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 13:53:30,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-02-06 13:53:30,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2025-02-06 13:53:30,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 369 states have (on average 1.1544715447154472) internal successors, (426), 417 states have internal predecessors, (426), 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 13:53:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 486 transitions. [2025-02-06 13:53:30,058 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 486 transitions. Word has length 256 [2025-02-06 13:53:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:30,059 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 486 transitions. [2025-02-06 13:53:30,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.9) internal successors, (179), 11 states have internal predecessors, (179), 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 13:53:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 486 transitions. [2025-02-06 13:53:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2025-02-06 13:53:30,060 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:30,060 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 13:53:30,066 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-06 13:53:30,261 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 13:53:30,262 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:30,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:30,262 INFO L85 PathProgramCache]: Analyzing trace with hash -301709145, now seen corresponding path program 1 times [2025-02-06 13:53:30,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:30,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490663454] [2025-02-06 13:53:30,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:30,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:30,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-02-06 13:53:30,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-02-06 13:53:30,281 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:30,281 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:30,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1518428403] [2025-02-06 13:53:30,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:30,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:30,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:30,288 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 13:53:30,289 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 13:53:30,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 265 statements into 1 equivalence classes. [2025-02-06 13:53:30,360 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 265 of 265 statements. [2025-02-06 13:53:30,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:30,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:30,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:53:30,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:30,544 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 13:53:30,544 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:30,827 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 13:53:30,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:30,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490663454] [2025-02-06 13:53:30,828 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:53:30,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518428403] [2025-02-06 13:53:30,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518428403] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:53:30,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:30,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 13:53:30,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142206292] [2025-02-06 13:53:30,828 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:30,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:53:30,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:30,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:53:30,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:53:30,833 INFO L87 Difference]: Start difference. First operand 449 states and 486 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 13:53:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:31,077 INFO L93 Difference]: Finished difference Result 645 states and 686 transitions. [2025-02-06 13:53:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:53:31,078 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 13:53:31,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:31,079 INFO L225 Difference]: With dead ends: 645 [2025-02-06 13:53:31,079 INFO L226 Difference]: Without dead ends: 643 [2025-02-06 13:53:31,079 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 13:53:31,080 INFO L435 NwaCegarLoop]: 352 mSDtfsCounter, 1437 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:31,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1448 Valid, 1485 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:53:31,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2025-02-06 13:53:31,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 448. [2025-02-06 13:53:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 369 states have (on average 1.146341463414634) internal successors, (423), 416 states have internal predecessors, (423), 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 13:53:31,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 483 transitions. [2025-02-06 13:53:31,101 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 483 transitions. Word has length 265 [2025-02-06 13:53:31,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:31,102 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 483 transitions. [2025-02-06 13:53:31,102 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 13:53:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 483 transitions. [2025-02-06 13:53:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-02-06 13:53:31,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:31,103 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] [2025-02-06 13:53:31,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 13:53:31,304 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 13:53:31,304 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:31,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:31,305 INFO L85 PathProgramCache]: Analyzing trace with hash -664372459, now seen corresponding path program 1 times [2025-02-06 13:53:31,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:31,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420096208] [2025-02-06 13:53:31,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:31,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:31,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-06 13:53:31,321 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-06 13:53:31,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:31,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:31,530 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 13:53:31,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:31,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420096208] [2025-02-06 13:53:31,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420096208] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:31,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066668176] [2025-02-06 13:53:31,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:31,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:31,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:31,532 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 13:53:31,536 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 13:53:31,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-06 13:53:31,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-06 13:53:31,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:31,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:31,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:53:31,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:32,199 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 53 proven. 114 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-06 13:53:32,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:32,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066668176] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:32,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:32,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:53:32,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708642001] [2025-02-06 13:53:32,279 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:32,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:53:32,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:32,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:53:32,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-02-06 13:53:32,280 INFO L87 Difference]: Start difference. First operand 448 states and 483 transitions. Second operand has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 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 13:53:33,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:33,862 INFO L93 Difference]: Finished difference Result 448 states and 483 transitions. [2025-02-06 13:53:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 13:53:33,863 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 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 275 [2025-02-06 13:53:33,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:33,864 INFO L225 Difference]: With dead ends: 448 [2025-02-06 13:53:33,864 INFO L226 Difference]: Without dead ends: 446 [2025-02-06 13:53:33,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:53:33,865 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 532 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 2081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:33,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 380 Invalid, 2081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-06 13:53:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-02-06 13:53:33,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2025-02-06 13:53:33,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 369 states have (on average 1.1382113821138211) internal successors, (420), 414 states have internal predecessors, (420), 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 13:53:33,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 480 transitions. [2025-02-06 13:53:33,897 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 480 transitions. Word has length 275 [2025-02-06 13:53:33,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:33,901 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 480 transitions. [2025-02-06 13:53:33,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.333333333333332) internal successors, (380), 16 states have internal predecessors, (380), 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 13:53:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 480 transitions. [2025-02-06 13:53:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-02-06 13:53:33,902 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:33,902 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 13:53:33,909 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 13:53:34,103 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 13:53:34,103 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:34,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:34,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1110535804, now seen corresponding path program 1 times [2025-02-06 13:53:34,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:34,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760027430] [2025-02-06 13:53:34,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:34,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-06 13:53:34,129 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-06 13:53:34,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,279 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 13:53:34,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:34,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760027430] [2025-02-06 13:53:34,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760027430] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:53:34,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:53:34,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:53:34,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064380145] [2025-02-06 13:53:34,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:53:34,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:53:34,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:34,280 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:53:34,280 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:53:34,280 INFO L87 Difference]: Start difference. First operand 446 states and 480 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 13:53:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:34,669 INFO L93 Difference]: Finished difference Result 446 states and 480 transitions. [2025-02-06 13:53:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:53:34,670 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 13:53:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:34,671 INFO L225 Difference]: With dead ends: 446 [2025-02-06 13:53:34,671 INFO L226 Difference]: Without dead ends: 444 [2025-02-06 13:53:34,672 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 13:53:34,672 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 182 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:34,672 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 361 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 13:53:34,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2025-02-06 13:53:34,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2025-02-06 13:53:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 369 states have (on average 1.127371273712737) internal successors, (416), 412 states have internal predecessors, (416), 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 13:53:34,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 476 transitions. [2025-02-06 13:53:34,705 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 476 transitions. Word has length 278 [2025-02-06 13:53:34,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:34,706 INFO L471 AbstractCegarLoop]: Abstraction has 444 states and 476 transitions. [2025-02-06 13:53:34,706 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 13:53:34,706 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 476 transitions. [2025-02-06 13:53:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-02-06 13:53:34,707 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:34,707 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 13:53:34,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-02-06 13:53:34,707 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:34,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash -66871471, now seen corresponding path program 1 times [2025-02-06 13:53:34,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:34,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72338477] [2025-02-06 13:53:34,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:34,714 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-02-06 13:53:34,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-02-06 13:53:34,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,865 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 13:53:34,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:53:34,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72338477] [2025-02-06 13:53:34,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72338477] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:34,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249767752] [2025-02-06 13:53:34,865 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:53:34,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:34,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:34,867 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 13:53:34,872 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 13:53:34,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 279 statements into 1 equivalence classes. [2025-02-06 13:53:34,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 279 of 279 statements. [2025-02-06 13:53:34,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:53:34,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:34,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 13:53:34,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:53:35,497 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 13:53:35,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:53:36,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249767752] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:53:36,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 13:53:36,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-06 13:53:36,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198316304] [2025-02-06 13:53:36,494 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 13:53:36,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:53:36,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:53:36,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:53:36,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-02-06 13:53:36,496 INFO L87 Difference]: Start difference. First operand 444 states and 476 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 13:53:38,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:53:38,446 INFO L93 Difference]: Finished difference Result 444 states and 476 transitions. [2025-02-06 13:53:38,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:53:38,447 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 13:53:38,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:53:38,448 INFO L225 Difference]: With dead ends: 444 [2025-02-06 13:53:38,448 INFO L226 Difference]: Without dead ends: 408 [2025-02-06 13:53:38,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=742, Unknown=0, NotChecked=0, Total=930 [2025-02-06 13:53:38,449 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 583 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 2076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-06 13:53:38,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 383 Invalid, 2076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-06 13:53:38,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-06 13:53:38,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-02-06 13:53:38,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 337 states have (on average 1.1275964391691395) internal successors, (380), 378 states have internal predecessors, (380), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-02-06 13:53:38,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 436 transitions. [2025-02-06 13:53:38,464 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 436 transitions. Word has length 279 [2025-02-06 13:53:38,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:53:38,466 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 436 transitions. [2025-02-06 13:53:38,466 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 13:53:38,466 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 436 transitions. [2025-02-06 13:53:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2025-02-06 13:53:38,467 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:53:38,467 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 13:53:38,473 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 13:53:38,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:38,671 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-06 13:53:38,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:53:38,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1837779715, now seen corresponding path program 3 times [2025-02-06 13:53:38,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:53:38,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342698568] [2025-02-06 13:53:38,671 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:53:38,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:53:38,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 8 equivalence classes. [2025-02-06 13:53:38,713 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 283 of 283 statements. [2025-02-06 13:53:38,713 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:53:38,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:53:38,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1495028456] [2025-02-06 13:53:38,714 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:53:38,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:53:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:53:38,717 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 13:53:38,718 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 13:53:38,751 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 283 statements into 8 equivalence classes. [2025-02-06 13:53:38,779 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 95 of 283 statements. [2025-02-06 13:53:38,780 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 13:53:38,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:53:38,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-06 13:53:38,785 INFO L279 TraceCheckSpWp]: Computing forward predicates...