./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.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/mannadiv_unwindbound5.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 aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:16:06,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:16:06,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:16:06,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:16:06,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:16:06,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:16:06,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:16:06,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:16:06,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:16:06,378 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:16:06,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:16:06,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:16:06,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:16:06,379 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:16:06,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:16:06,380 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:16:06,381 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:16:06,381 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:16:06,381 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:16:06,381 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:16:06,381 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:16:06,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:16:06,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:16:06,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:16:06,382 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 -> aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 [2025-02-06 14:16:06,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:16:06,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:16:06,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:16:06,616 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:16:06,616 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:16:06,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2025-02-06 14:16:07,701 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a8689d90/a1a990ea51de4b11bb4fa8cead65cf12/FLAG5cd728c5f [2025-02-06 14:16:07,940 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:16:07,941 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2025-02-06 14:16:07,954 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a8689d90/a1a990ea51de4b11bb4fa8cead65cf12/FLAG5cd728c5f [2025-02-06 14:16:08,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3a8689d90/a1a990ea51de4b11bb4fa8cead65cf12 [2025-02-06 14:16:08,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:16:08,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:16:08,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:16:08,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:16:08,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:16:08,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48d4705a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08, skipping insertion in model container [2025-02-06 14:16:08,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,283 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:16:08,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:16:08,385 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:16:08,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:16:08,406 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:16:08,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08 WrapperNode [2025-02-06 14:16:08,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:16:08,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:16:08,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:16:08,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:16:08,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,426 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2025-02-06 14:16:08,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:16:08,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:16:08,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:16:08,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:16:08,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,445 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:16:08,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,447 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:16:08,453 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:16:08,453 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:16:08,453 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:16:08,453 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (1/1) ... [2025-02-06 14:16:08,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:16:08,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:08,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:16:08,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:16:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:16:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:16:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:16:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:16:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:16:08,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:16:08,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:16:08,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:16:08,552 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:16:08,553 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:16:08,745 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2025-02-06 14:16:08,746 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:16:08,754 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:16:08,756 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:16:08,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:08 BoogieIcfgContainer [2025-02-06 14:16:08,756 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:16:08,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:16:08,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:16:08,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:16:08,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:16:08" (1/3) ... [2025-02-06 14:16:08,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4004f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:16:08, skipping insertion in model container [2025-02-06 14:16:08,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:08" (2/3) ... [2025-02-06 14:16:08,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b4004f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:16:08, skipping insertion in model container [2025-02-06 14:16:08,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:08" (3/3) ... [2025-02-06 14:16:08,764 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound5.c [2025-02-06 14:16:08,776 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:16:08,778 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv_unwindbound5.c that has 3 procedures, 69 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2025-02-06 14:16:08,813 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:16:08,821 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;@47c1ca14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:16:08,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-02-06 14:16:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:16:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:16:08,828 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:08,828 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:08,829 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:08,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:08,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1896484220, now seen corresponding path program 1 times [2025-02-06 14:16:08,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:08,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313839302] [2025-02-06 14:16:08,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:08,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:08,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:08,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:08,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:08,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:09,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:09,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:09,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313839302] [2025-02-06 14:16:09,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313839302] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:09,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:09,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:09,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332922633] [2025-02-06 14:16:09,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:09,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:09,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:09,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:09,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:09,030 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:09,083 INFO L93 Difference]: Finished difference Result 138 states and 159 transitions. [2025-02-06 14:16:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:16:09,084 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-06 14:16:09,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:09,088 INFO L225 Difference]: With dead ends: 138 [2025-02-06 14:16:09,088 INFO L226 Difference]: Without dead ends: 66 [2025-02-06 14:16:09,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:16:09,091 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 9 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:09,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 190 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:09,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-02-06 14:16:09,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-02-06 14:16:09,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 60 states have internal predecessors, (63), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:16:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2025-02-06 14:16:09,113 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 15 [2025-02-06 14:16:09,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:09,118 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2025-02-06 14:16:09,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,118 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2025-02-06 14:16:09,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 14:16:09,119 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:09,119 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:09,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:16:09,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:09,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:09,121 INFO L85 PathProgramCache]: Analyzing trace with hash -2133360073, now seen corresponding path program 1 times [2025-02-06 14:16:09,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:09,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701964320] [2025-02-06 14:16:09,121 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:09,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:09,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 14:16:09,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 14:16:09,140 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:09,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:09,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1761506204] [2025-02-06 14:16:09,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:09,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:09,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:09,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:09,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:16:09,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 14:16:09,198 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 14:16:09,198 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:09,198 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:09,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:16:09,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:09,220 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:09,221 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:09,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:09,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701964320] [2025-02-06 14:16:09,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:09,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761506204] [2025-02-06 14:16:09,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761506204] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:09,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:09,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:16:09,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914027005] [2025-02-06 14:16:09,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:09,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:16:09,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:09,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:16:09,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:16:09,223 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:09,269 INFO L93 Difference]: Finished difference Result 105 states and 117 transitions. [2025-02-06 14:16:09,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:16:09,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-06 14:16:09,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:09,270 INFO L225 Difference]: With dead ends: 105 [2025-02-06 14:16:09,270 INFO L226 Difference]: Without dead ends: 99 [2025-02-06 14:16:09,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:16:09,271 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 29 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:09,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 91 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:09,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-02-06 14:16:09,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 89. [2025-02-06 14:16:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.639344262295082) internal successors, (100), 82 states have internal predecessors, (100), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:16:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 108 transitions. [2025-02-06 14:16:09,277 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 108 transitions. Word has length 18 [2025-02-06 14:16:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:09,278 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 108 transitions. [2025-02-06 14:16:09,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,278 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2025-02-06 14:16:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 14:16:09,278 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:09,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:09,284 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 14:16:09,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:09,483 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:09,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:09,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1459629483, now seen corresponding path program 1 times [2025-02-06 14:16:09,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:09,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555960229] [2025-02-06 14:16:09,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:09,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 14:16:09,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 14:16:09,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:09,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:09,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:09,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555960229] [2025-02-06 14:16:09,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555960229] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:09,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:09,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:09,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796325861] [2025-02-06 14:16:09,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:09,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:09,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:09,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:09,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:09,546 INFO L87 Difference]: Start difference. First operand 89 states and 108 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:09,628 INFO L93 Difference]: Finished difference Result 139 states and 176 transitions. [2025-02-06 14:16:09,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:09,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-06 14:16:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:09,630 INFO L225 Difference]: With dead ends: 139 [2025-02-06 14:16:09,630 INFO L226 Difference]: Without dead ends: 132 [2025-02-06 14:16:09,630 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 14:16:09,630 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 42 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:09,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 92 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:09,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-06 14:16:09,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 125. [2025-02-06 14:16:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 95 states have (on average 1.5894736842105264) internal successors, (151), 116 states have internal predecessors, (151), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 163 transitions. [2025-02-06 14:16:09,642 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 163 transitions. Word has length 20 [2025-02-06 14:16:09,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:09,642 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 163 transitions. [2025-02-06 14:16:09,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,643 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 163 transitions. [2025-02-06 14:16:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 14:16:09,643 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:09,643 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:09,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:16:09,643 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:09,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:09,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1996126294, now seen corresponding path program 1 times [2025-02-06 14:16:09,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:09,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169976112] [2025-02-06 14:16:09,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:09,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:09,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 14:16:09,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 14:16:09,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:09,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:09,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:09,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169976112] [2025-02-06 14:16:09,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169976112] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:09,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:09,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:09,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14200546] [2025-02-06 14:16:09,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:09,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:09,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:09,721 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:09,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:09,721 INFO L87 Difference]: Start difference. First operand 125 states and 163 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:09,797 INFO L93 Difference]: Finished difference Result 136 states and 166 transitions. [2025-02-06 14:16:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:09,797 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2025-02-06 14:16:09,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:09,798 INFO L225 Difference]: With dead ends: 136 [2025-02-06 14:16:09,798 INFO L226 Difference]: Without dead ends: 127 [2025-02-06 14:16:09,798 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 14:16:09,799 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 42 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:09,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 96 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:09,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-02-06 14:16:09,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 121. [2025-02-06 14:16:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 91 states have (on average 1.5604395604395604) internal successors, (142), 112 states have internal predecessors, (142), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 154 transitions. [2025-02-06 14:16:09,806 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 154 transitions. Word has length 21 [2025-02-06 14:16:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:09,806 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 154 transitions. [2025-02-06 14:16:09,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:09,806 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 154 transitions. [2025-02-06 14:16:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-02-06 14:16:09,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:09,806 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:09,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:16:09,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:09,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1750372979, now seen corresponding path program 1 times [2025-02-06 14:16:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:09,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748392285] [2025-02-06 14:16:09,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:09,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 14:16:09,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 14:16:09,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:09,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:09,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:09,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748392285] [2025-02-06 14:16:09,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748392285] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:09,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2114033973] [2025-02-06 14:16:09,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:09,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:09,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:09,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:09,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:16:09,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-02-06 14:16:09,938 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-02-06 14:16:09,938 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:09,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:09,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:09,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:10,020 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:10,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:10,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2114033973] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:10,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:10,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 14:16:10,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938547285] [2025-02-06 14:16:10,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:10,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:10,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:10,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:10,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:10,021 INFO L87 Difference]: Start difference. First operand 121 states and 154 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:10,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:10,103 INFO L93 Difference]: Finished difference Result 124 states and 158 transitions. [2025-02-06 14:16:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:10,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2025-02-06 14:16:10,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:10,104 INFO L225 Difference]: With dead ends: 124 [2025-02-06 14:16:10,105 INFO L226 Difference]: Without dead ends: 123 [2025-02-06 14:16:10,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:10,105 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 81 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:10,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 76 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-02-06 14:16:10,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2025-02-06 14:16:10,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 91 states have (on average 1.5494505494505495) internal successors, (141), 112 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:10,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 153 transitions. [2025-02-06 14:16:10,112 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 153 transitions. Word has length 22 [2025-02-06 14:16:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:10,112 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 153 transitions. [2025-02-06 14:16:10,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:10,113 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2025-02-06 14:16:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-06 14:16:10,113 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:10,113 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:10,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:16:10,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:10,317 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:10,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:10,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1573012492, now seen corresponding path program 1 times [2025-02-06 14:16:10,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:10,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200994969] [2025-02-06 14:16:10,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:10,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:10,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 14:16:10,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 14:16:10,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:10,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:10,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [307954888] [2025-02-06 14:16:10,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:10,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:10,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:10,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:10,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:16:10,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 14:16:10,362 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 14:16:10,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:10,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:10,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:10,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:10,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:10,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:10,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200994969] [2025-02-06 14:16:10,467 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:10,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307954888] [2025-02-06 14:16:10,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307954888] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:10,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:10,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:10,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567202927] [2025-02-06 14:16:10,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:10,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:10,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:10,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:10,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:10,468 INFO L87 Difference]: Start difference. First operand 121 states and 153 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:10,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:10,568 INFO L93 Difference]: Finished difference Result 122 states and 153 transitions. [2025-02-06 14:16:10,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:10,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2025-02-06 14:16:10,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:10,573 INFO L225 Difference]: With dead ends: 122 [2025-02-06 14:16:10,573 INFO L226 Difference]: Without dead ends: 121 [2025-02-06 14:16:10,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:16:10,574 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 74 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:10,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 81 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:10,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-02-06 14:16:10,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2025-02-06 14:16:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 112 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 152 transitions. [2025-02-06 14:16:10,581 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 152 transitions. Word has length 23 [2025-02-06 14:16:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:10,581 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 152 transitions. [2025-02-06 14:16:10,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 152 transitions. [2025-02-06 14:16:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 14:16:10,582 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:10,582 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:10,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 14:16:10,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:10,782 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:10,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:10,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1588865637, now seen corresponding path program 1 times [2025-02-06 14:16:10,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:10,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321624762] [2025-02-06 14:16:10,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:10,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:10,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:16:10,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:16:10,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:10,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:10,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:10,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:10,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321624762] [2025-02-06 14:16:10,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321624762] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:10,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936995253] [2025-02-06 14:16:10,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:10,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:10,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:10,868 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:10,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:16:10,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:16:10,900 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:16:10,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:10,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:10,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:16:10,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:10,928 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:10,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936995253] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:10,999 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:10,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-06 14:16:10,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072519813] [2025-02-06 14:16:10,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:11,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:11,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:11,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:11,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:11,001 INFO L87 Difference]: Start difference. First operand 121 states and 152 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:11,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:11,074 INFO L93 Difference]: Finished difference Result 192 states and 239 transitions. [2025-02-06 14:16:11,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:11,074 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 35 [2025-02-06 14:16:11,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:11,075 INFO L225 Difference]: With dead ends: 192 [2025-02-06 14:16:11,075 INFO L226 Difference]: Without dead ends: 190 [2025-02-06 14:16:11,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:11,076 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 150 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:11,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 249 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-02-06 14:16:11,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 168. [2025-02-06 14:16:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 136 states have (on average 1.5441176470588236) internal successors, (210), 157 states have internal predecessors, (210), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 226 transitions. [2025-02-06 14:16:11,084 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 226 transitions. Word has length 35 [2025-02-06 14:16:11,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:11,084 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 226 transitions. [2025-02-06 14:16:11,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 226 transitions. [2025-02-06 14:16:11,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-06 14:16:11,085 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:11,085 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:11,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:11,285 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,SelfDestructingSolverStorable6 [2025-02-06 14:16:11,286 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:11,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:11,286 INFO L85 PathProgramCache]: Analyzing trace with hash -2010194509, now seen corresponding path program 1 times [2025-02-06 14:16:11,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:11,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036473893] [2025-02-06 14:16:11,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:11,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:11,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 14:16:11,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 14:16:11,294 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:11,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:11,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:11,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036473893] [2025-02-06 14:16:11,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036473893] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:11,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:11,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:11,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509586622] [2025-02-06 14:16:11,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:11,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:11,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:11,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:11,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:11,322 INFO L87 Difference]: Start difference. First operand 168 states and 226 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:11,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:11,347 INFO L93 Difference]: Finished difference Result 178 states and 235 transitions. [2025-02-06 14:16:11,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:11,347 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2025-02-06 14:16:11,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:11,348 INFO L225 Difference]: With dead ends: 178 [2025-02-06 14:16:11,348 INFO L226 Difference]: Without dead ends: 176 [2025-02-06 14:16:11,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:16:11,348 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 80 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:11,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 79 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:11,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-06 14:16:11,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 166. [2025-02-06 14:16:11,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 136 states have (on average 1.5073529411764706) internal successors, (205), 155 states have internal predecessors, (205), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:11,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 221 transitions. [2025-02-06 14:16:11,355 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 221 transitions. Word has length 36 [2025-02-06 14:16:11,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:11,355 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 221 transitions. [2025-02-06 14:16:11,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:11,355 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 221 transitions. [2025-02-06 14:16:11,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-06 14:16:11,356 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:11,356 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:11,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:16:11,356 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:11,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:11,356 INFO L85 PathProgramCache]: Analyzing trace with hash 938360849, now seen corresponding path program 1 times [2025-02-06 14:16:11,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:11,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805329144] [2025-02-06 14:16:11,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:11,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:11,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 14:16:11,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 14:16:11,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:11,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:11,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:11,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805329144] [2025-02-06 14:16:11,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805329144] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:11,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524097703] [2025-02-06 14:16:11,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:11,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:11,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:11,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:11,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:16:11,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 14:16:11,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 14:16:11,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:11,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:11,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:16:11,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:11,513 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:11,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524097703] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:11,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:11,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-06 14:16:11,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472938997] [2025-02-06 14:16:11,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:11,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:11,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:11,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:11,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:11,514 INFO L87 Difference]: Start difference. First operand 166 states and 221 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:11,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:11,538 INFO L93 Difference]: Finished difference Result 166 states and 221 transitions. [2025-02-06 14:16:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:11,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2025-02-06 14:16:11,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:11,539 INFO L225 Difference]: With dead ends: 166 [2025-02-06 14:16:11,539 INFO L226 Difference]: Without dead ends: 165 [2025-02-06 14:16:11,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:11,539 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 42 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:11,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 166 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:11,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-02-06 14:16:11,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2025-02-06 14:16:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 154 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2025-02-06 14:16:11,547 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 38 [2025-02-06 14:16:11,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:11,547 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2025-02-06 14:16:11,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2025-02-06 14:16:11,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:16:11,548 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:11,548 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:11,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:16:11,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:11,749 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:11,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash -975584732, now seen corresponding path program 1 times [2025-02-06 14:16:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:11,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747640492] [2025-02-06 14:16:11,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:11,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:16:11,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:16:11,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:11,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:11,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:11,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:11,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747640492] [2025-02-06 14:16:11,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747640492] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:11,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057773489] [2025-02-06 14:16:11,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:11,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:11,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:11,808 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:11,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:16:11,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:16:11,836 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:16:11,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:11,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:11,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:16:11,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:11,875 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:11,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:11,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057773489] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:11,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:11,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-06 14:16:11,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418507168] [2025-02-06 14:16:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:11,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:11,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:11,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:11,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:11,877 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:11,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:11,914 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2025-02-06 14:16:11,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:16:11,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2025-02-06 14:16:11,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:11,915 INFO L225 Difference]: With dead ends: 175 [2025-02-06 14:16:11,915 INFO L226 Difference]: Without dead ends: 174 [2025-02-06 14:16:11,915 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:16:11,916 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:11,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 187 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:11,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-02-06 14:16:11,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2025-02-06 14:16:11,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 136 states have (on average 1.4338235294117647) internal successors, (195), 153 states have internal predecessors, (195), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:11,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 211 transitions. [2025-02-06 14:16:11,922 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 211 transitions. Word has length 39 [2025-02-06 14:16:11,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:11,923 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 211 transitions. [2025-02-06 14:16:11,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:11,923 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2025-02-06 14:16:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 14:16:11,923 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:11,924 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:11,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:12,128 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,SelfDestructingSolverStorable9 [2025-02-06 14:16:12,128 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:12,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:12,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1234056318, now seen corresponding path program 1 times [2025-02-06 14:16:12,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:12,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972155052] [2025-02-06 14:16:12,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:12,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:12,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:16:12,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:16:12,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:12,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:12,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963213331] [2025-02-06 14:16:12,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:12,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:12,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:12,139 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:12,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:16:12,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:16:12,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:16:12,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:12,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:12,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:12,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:12,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:12,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972155052] [2025-02-06 14:16:12,419 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963213331] [2025-02-06 14:16:12,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963213331] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:12,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:12,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:16:12,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344709321] [2025-02-06 14:16:12,419 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:12,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:12,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:12,420 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:12,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:12,420 INFO L87 Difference]: Start difference. First operand 164 states and 211 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:12,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:12,518 INFO L93 Difference]: Finished difference Result 171 states and 214 transitions. [2025-02-06 14:16:12,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:12,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2025-02-06 14:16:12,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:12,519 INFO L225 Difference]: With dead ends: 171 [2025-02-06 14:16:12,519 INFO L226 Difference]: Without dead ends: 164 [2025-02-06 14:16:12,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:12,520 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 43 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:12,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 92 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:12,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-02-06 14:16:12,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 160. [2025-02-06 14:16:12,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 137 states have (on average 1.3284671532846715) internal successors, (182), 149 states have internal predecessors, (182), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:12,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 198 transitions. [2025-02-06 14:16:12,526 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 198 transitions. Word has length 41 [2025-02-06 14:16:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:12,526 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 198 transitions. [2025-02-06 14:16:12,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 198 transitions. [2025-02-06 14:16:12,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:16:12,526 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:12,527 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-06 14:16:12,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 14:16:12,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:12,727 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:12,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:12,727 INFO L85 PathProgramCache]: Analyzing trace with hash 398959821, now seen corresponding path program 1 times [2025-02-06 14:16:12,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:12,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638077743] [2025-02-06 14:16:12,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:12,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:12,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:16:12,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:16:12,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:12,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:12,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238423541] [2025-02-06 14:16:12,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:12,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:12,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:12,738 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:12,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:16:12,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:16:12,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:16:12,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:12,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:12,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:12,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:12,884 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:13,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:13,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638077743] [2025-02-06 14:16:13,055 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:13,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238423541] [2025-02-06 14:16:13,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238423541] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:13,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:13,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:16:13,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116822423] [2025-02-06 14:16:13,056 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:13,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:13,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:13,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:13,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:13,057 INFO L87 Difference]: Start difference. First operand 160 states and 198 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:13,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:13,163 INFO L93 Difference]: Finished difference Result 216 states and 266 transitions. [2025-02-06 14:16:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:13,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2025-02-06 14:16:13,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:13,165 INFO L225 Difference]: With dead ends: 216 [2025-02-06 14:16:13,165 INFO L226 Difference]: Without dead ends: 211 [2025-02-06 14:16:13,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:13,166 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 104 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:13,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 116 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:13,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2025-02-06 14:16:13,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 203. [2025-02-06 14:16:13,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 178 states have (on average 1.3089887640449438) internal successors, (233), 190 states have internal predecessors, (233), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:13,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 253 transitions. [2025-02-06 14:16:13,175 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 253 transitions. Word has length 42 [2025-02-06 14:16:13,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:13,175 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 253 transitions. [2025-02-06 14:16:13,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 253 transitions. [2025-02-06 14:16:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:16:13,177 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:13,177 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:13,182 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 14:16:13,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:13,378 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:13,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:13,378 INFO L85 PathProgramCache]: Analyzing trace with hash 326932543, now seen corresponding path program 1 times [2025-02-06 14:16:13,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:13,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984470733] [2025-02-06 14:16:13,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:13,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:13,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:16:13,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:16:13,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:13,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:13,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:13,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984470733] [2025-02-06 14:16:13,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984470733] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:13,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203004828] [2025-02-06 14:16:13,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:13,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:13,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:13,446 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:13,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:16:13,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:16:13,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:16:13,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:13,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:13,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:16:13,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:13,574 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:13,575 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:13,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203004828] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:13,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:13,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:16:13,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904059021] [2025-02-06 14:16:13,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:13,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:13,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:13,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:13,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:13,576 INFO L87 Difference]: Start difference. First operand 203 states and 253 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:13,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:13,648 INFO L93 Difference]: Finished difference Result 203 states and 253 transitions. [2025-02-06 14:16:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:16:13,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2025-02-06 14:16:13,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:13,650 INFO L225 Difference]: With dead ends: 203 [2025-02-06 14:16:13,650 INFO L226 Difference]: Without dead ends: 201 [2025-02-06 14:16:13,650 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:13,651 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:13,651 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 70 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:13,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2025-02-06 14:16:13,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2025-02-06 14:16:13,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 175 states have (on average 1.2971428571428572) internal successors, (227), 185 states have internal predecessors, (227), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 247 transitions. [2025-02-06 14:16:13,663 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 247 transitions. Word has length 43 [2025-02-06 14:16:13,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:13,663 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 247 transitions. [2025-02-06 14:16:13,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 247 transitions. [2025-02-06 14:16:13,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:16:13,665 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:13,665 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:13,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:16:13,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:13,866 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:13,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:13,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1544974252, now seen corresponding path program 1 times [2025-02-06 14:16:13,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:13,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934708917] [2025-02-06 14:16:13,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:13,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:13,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:16:13,878 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:16:13,878 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:13,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:13,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:13,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934708917] [2025-02-06 14:16:13,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934708917] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:13,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625148552] [2025-02-06 14:16:13,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:13,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:13,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:13,996 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:13,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:16:14,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:16:14,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:16:14,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:14,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:14,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:14,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:14,113 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:14,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625148552] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:14,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:14,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2025-02-06 14:16:14,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546009351] [2025-02-06 14:16:14,197 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:14,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:14,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:14,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:14,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:14,199 INFO L87 Difference]: Start difference. First operand 198 states and 247 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:14,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:14,368 INFO L93 Difference]: Finished difference Result 206 states and 251 transitions. [2025-02-06 14:16:14,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:16:14,368 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2025-02-06 14:16:14,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:14,369 INFO L225 Difference]: With dead ends: 206 [2025-02-06 14:16:14,369 INFO L226 Difference]: Without dead ends: 198 [2025-02-06 14:16:14,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:14,370 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 24 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:14,371 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 192 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:14,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2025-02-06 14:16:14,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2025-02-06 14:16:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 175 states have (on average 1.2685714285714285) internal successors, (222), 185 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 242 transitions. [2025-02-06 14:16:14,383 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 242 transitions. Word has length 44 [2025-02-06 14:16:14,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:14,383 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 242 transitions. [2025-02-06 14:16:14,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 242 transitions. [2025-02-06 14:16:14,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:16:14,384 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:14,384 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:14,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:14,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 14:16:14,585 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:14,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:14,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1237532222, now seen corresponding path program 1 times [2025-02-06 14:16:14,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:14,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984348338] [2025-02-06 14:16:14,589 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:14,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:14,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:16:14,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:16:14,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:14,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:14,780 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:14,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:14,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984348338] [2025-02-06 14:16:14,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984348338] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:14,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149074294] [2025-02-06 14:16:14,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:14,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:14,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:14,782 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:14,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:16:14,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:16:14,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:16:14,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:14,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:14,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:14,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:14,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:15,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149074294] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:15,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:15,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-06 14:16:15,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914185271] [2025-02-06 14:16:15,180 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:15,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:16:15,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:15,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:16:15,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:15,181 INFO L87 Difference]: Start difference. First operand 198 states and 242 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:16:15,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:15,453 INFO L93 Difference]: Finished difference Result 208 states and 249 transitions. [2025-02-06 14:16:15,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:16:15,454 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 45 [2025-02-06 14:16:15,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:15,456 INFO L225 Difference]: With dead ends: 208 [2025-02-06 14:16:15,456 INFO L226 Difference]: Without dead ends: 205 [2025-02-06 14:16:15,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 77 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:16:15,457 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 185 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:15,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 149 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:15,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-02-06 14:16:15,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 166. [2025-02-06 14:16:15,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 147 states have (on average 1.2244897959183674) internal successors, (180), 154 states have internal predecessors, (180), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:16:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2025-02-06 14:16:15,467 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 45 [2025-02-06 14:16:15,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:15,467 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2025-02-06 14:16:15,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:16:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2025-02-06 14:16:15,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:16:15,468 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:15,468 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:15,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:16:15,668 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,SelfDestructingSolverStorable14 [2025-02-06 14:16:15,668 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:15,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:15,672 INFO L85 PathProgramCache]: Analyzing trace with hash -291206775, now seen corresponding path program 1 times [2025-02-06 14:16:15,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:15,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938201181] [2025-02-06 14:16:15,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:15,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:16:15,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:16:15,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:15,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:15,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121744216] [2025-02-06 14:16:15,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:15,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:15,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:15,681 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:15,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:16:15,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:16:15,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:16:15,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:15,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:15,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:16:15,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:15,922 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:15,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:16,032 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:16,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:16,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938201181] [2025-02-06 14:16:16,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:16,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121744216] [2025-02-06 14:16:16,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121744216] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:16,032 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:16,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 14:16:16,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109840723] [2025-02-06 14:16:16,033 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:16,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:16,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:16,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:16,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:16,034 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:16,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:16,204 INFO L93 Difference]: Finished difference Result 273 states and 325 transitions. [2025-02-06 14:16:16,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:16,208 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 46 [2025-02-06 14:16:16,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:16,208 INFO L225 Difference]: With dead ends: 273 [2025-02-06 14:16:16,208 INFO L226 Difference]: Without dead ends: 190 [2025-02-06 14:16:16,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:16:16,210 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 109 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:16,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 112 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-02-06 14:16:16,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 184. [2025-02-06 14:16:16,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 165 states have (on average 1.1636363636363636) internal successors, (192), 171 states have internal predecessors, (192), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:16,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 212 transitions. [2025-02-06 14:16:16,221 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 212 transitions. Word has length 46 [2025-02-06 14:16:16,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:16,221 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 212 transitions. [2025-02-06 14:16:16,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 212 transitions. [2025-02-06 14:16:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-02-06 14:16:16,222 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:16,222 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:16,229 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 14:16:16,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:16,426 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:16,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 528317720, now seen corresponding path program 2 times [2025-02-06 14:16:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641316923] [2025-02-06 14:16:16,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:16,432 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-02-06 14:16:16,443 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 14:16:16,444 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:16,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:16,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1941564708] [2025-02-06 14:16:16,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:16,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:16,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:16,447 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:16,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:16:16,466 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 65 statements into 2 equivalence classes. [2025-02-06 14:16:16,481 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 65 of 65 statements. [2025-02-06 14:16:16,481 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:16,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:16,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:16,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:16,634 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:16,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:16,868 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:16,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:16,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641316923] [2025-02-06 14:16:16,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:16,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1941564708] [2025-02-06 14:16:16,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1941564708] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:16,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:16,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:16:16,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493346421] [2025-02-06 14:16:16,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:16,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:16:16,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:16,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:16:16,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:16,870 INFO L87 Difference]: Start difference. First operand 184 states and 212 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:17,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:17,303 INFO L93 Difference]: Finished difference Result 387 states and 459 transitions. [2025-02-06 14:16:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:16:17,303 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 65 [2025-02-06 14:16:17,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:17,305 INFO L225 Difference]: With dead ends: 387 [2025-02-06 14:16:17,305 INFO L226 Difference]: Without dead ends: 376 [2025-02-06 14:16:17,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:16:17,306 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 155 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:17,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 300 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:17,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2025-02-06 14:16:17,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 354. [2025-02-06 14:16:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 327 states have (on average 1.1681957186544343) internal successors, (382), 333 states have internal predecessors, (382), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:16:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 418 transitions. [2025-02-06 14:16:17,330 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 418 transitions. Word has length 65 [2025-02-06 14:16:17,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:17,331 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 418 transitions. [2025-02-06 14:16:17,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:17,331 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 418 transitions. [2025-02-06 14:16:17,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 14:16:17,331 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:17,331 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:17,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:16:17,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:16:17,532 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:17,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:17,532 INFO L85 PathProgramCache]: Analyzing trace with hash 301635478, now seen corresponding path program 2 times [2025-02-06 14:16:17,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:17,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123449885] [2025-02-06 14:16:17,533 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:17,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:17,537 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 67 statements into 2 equivalence classes. [2025-02-06 14:16:17,543 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 14:16:17,543 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:17,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-02-06 14:16:17,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:17,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123449885] [2025-02-06 14:16:17,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123449885] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:17,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155636600] [2025-02-06 14:16:17,637 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:17,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:17,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:17,641 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:17,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:16:17,661 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 67 statements into 2 equivalence classes. [2025-02-06 14:16:17,671 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 14:16:17,672 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:17,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:17,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:17,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:17,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:17,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155636600] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:17,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:17,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2025-02-06 14:16:17,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713150930] [2025-02-06 14:16:17,843 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:17,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:17,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:17,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:17,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:17,844 INFO L87 Difference]: Start difference. First operand 354 states and 418 transitions. Second operand has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:18,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:18,005 INFO L93 Difference]: Finished difference Result 383 states and 450 transitions. [2025-02-06 14:16:18,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:18,006 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 67 [2025-02-06 14:16:18,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:18,007 INFO L225 Difference]: With dead ends: 383 [2025-02-06 14:16:18,007 INFO L226 Difference]: Without dead ends: 375 [2025-02-06 14:16:18,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:16:18,008 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 26 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:18,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 189 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2025-02-06 14:16:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 373. [2025-02-06 14:16:18,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 345 states have (on average 1.1623188405797102) internal successors, (401), 351 states have internal predecessors, (401), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 14:16:18,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 439 transitions. [2025-02-06 14:16:18,021 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 439 transitions. Word has length 67 [2025-02-06 14:16:18,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:18,022 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 439 transitions. [2025-02-06 14:16:18,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:18,022 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 439 transitions. [2025-02-06 14:16:18,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 14:16:18,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:18,023 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:18,028 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:18,227 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,SelfDestructingSolverStorable17 [2025-02-06 14:16:18,227 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:18,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash -730864820, now seen corresponding path program 1 times [2025-02-06 14:16:18,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:18,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843189754] [2025-02-06 14:16:18,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:18,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:18,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 14:16:18,240 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:16:18,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:18,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:18,350 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 14:16:18,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843189754] [2025-02-06 14:16:18,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843189754] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:18,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101842856] [2025-02-06 14:16:18,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:18,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:18,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:18,355 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:18,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:16:18,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 14:16:18,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:16:18,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:18,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:18,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:16:18,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 56 proven. 15 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 14:16:18,449 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:18,508 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 24 proven. 47 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-06 14:16:18,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101842856] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:18,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:18,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2025-02-06 14:16:18,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58516808] [2025-02-06 14:16:18,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:18,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:18,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:18,510 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:18,510 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:16:18,510 INFO L87 Difference]: Start difference. First operand 373 states and 439 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:18,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:18,563 INFO L93 Difference]: Finished difference Result 512 states and 592 transitions. [2025-02-06 14:16:18,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:16:18,564 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 90 [2025-02-06 14:16:18,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:18,565 INFO L225 Difference]: With dead ends: 512 [2025-02-06 14:16:18,565 INFO L226 Difference]: Without dead ends: 344 [2025-02-06 14:16:18,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:16:18,566 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 17 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:18,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 134 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:18,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2025-02-06 14:16:18,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 341. [2025-02-06 14:16:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 315 states have (on average 1.1206349206349207) internal successors, (353), 321 states have internal predecessors, (353), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 14:16:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 387 transitions. [2025-02-06 14:16:18,579 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 387 transitions. Word has length 90 [2025-02-06 14:16:18,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:18,580 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 387 transitions. [2025-02-06 14:16:18,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 387 transitions. [2025-02-06 14:16:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 14:16:18,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:18,582 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:18,587 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 14:16:18,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:18,782 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:18,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash -846990835, now seen corresponding path program 2 times [2025-02-06 14:16:18,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:18,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004239255] [2025-02-06 14:16:18,783 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:18,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:18,787 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-02-06 14:16:18,793 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:16:18,793 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:18,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 14 proven. 27 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-02-06 14:16:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:18,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004239255] [2025-02-06 14:16:18,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004239255] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:18,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266031602] [2025-02-06 14:16:18,974 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:18,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:18,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:18,977 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:18,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:16:19,003 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-02-06 14:16:19,017 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:16:19,017 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:19,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:19,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:16:19,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:16:19,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-06 14:16:19,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266031602] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:19,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:19,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2025-02-06 14:16:19,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374162339] [2025-02-06 14:16:19,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:19,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 14:16:19,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:19,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 14:16:19,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:16:19,320 INFO L87 Difference]: Start difference. First operand 341 states and 387 transitions. Second operand has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 22 states have internal predecessors, (175), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-06 14:16:20,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:20,480 INFO L93 Difference]: Finished difference Result 759 states and 878 transitions. [2025-02-06 14:16:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-02-06 14:16:20,481 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 22 states have internal predecessors, (175), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 90 [2025-02-06 14:16:20,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:20,484 INFO L225 Difference]: With dead ends: 759 [2025-02-06 14:16:20,484 INFO L226 Difference]: Without dead ends: 725 [2025-02-06 14:16:20,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1935 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1350, Invalid=4502, Unknown=0, NotChecked=0, Total=5852 [2025-02-06 14:16:20,488 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 505 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:20,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 295 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:20,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2025-02-06 14:16:20,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 335. [2025-02-06 14:16:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 311 states have (on average 1.0836012861736335) internal successors, (337), 315 states have internal predecessors, (337), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 14:16:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 371 transitions. [2025-02-06 14:16:20,508 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 371 transitions. Word has length 90 [2025-02-06 14:16:20,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:20,508 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 371 transitions. [2025-02-06 14:16:20,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 7.954545454545454) internal successors, (175), 22 states have internal predecessors, (175), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-06 14:16:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 371 transitions. [2025-02-06 14:16:20,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-06 14:16:20,509 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:20,510 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:20,518 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 14:16:20,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:20,710 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:20,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:20,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1827248542, now seen corresponding path program 1 times [2025-02-06 14:16:20,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:20,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27969165] [2025-02-06 14:16:20,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:20,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:20,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 14:16:20,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:16:20,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:20,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:20,773 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 62 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 14:16:20,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:20,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27969165] [2025-02-06 14:16:20,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27969165] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:20,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386283618] [2025-02-06 14:16:20,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:20,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:20,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:20,775 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:20,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:16:20,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-02-06 14:16:20,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-02-06 14:16:20,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:20,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:20,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:16:20,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:20,852 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 62 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 14:16:20,852 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:20,904 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 62 proven. 14 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-02-06 14:16:20,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386283618] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:20,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:20,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 14:16:20,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991127400] [2025-02-06 14:16:20,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:20,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:16:20,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:20,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:16:20,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:16:20,905 INFO L87 Difference]: Start difference. First operand 335 states and 371 transitions. Second operand has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:20,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:20,965 INFO L93 Difference]: Finished difference Result 514 states and 581 transitions. [2025-02-06 14:16:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:20,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 100 [2025-02-06 14:16:20,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:20,967 INFO L225 Difference]: With dead ends: 514 [2025-02-06 14:16:20,967 INFO L226 Difference]: Without dead ends: 512 [2025-02-06 14:16:20,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:16:20,969 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 12 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:20,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 136 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:20,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2025-02-06 14:16:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2025-02-06 14:16:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 479 states have (on average 1.058455114822547) internal successors, (507), 482 states have internal predecessors, (507), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-06 14:16:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 561 transitions. [2025-02-06 14:16:20,988 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 561 transitions. Word has length 100 [2025-02-06 14:16:20,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:20,989 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 561 transitions. [2025-02-06 14:16:20,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 561 transitions. [2025-02-06 14:16:20,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-06 14:16:20,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:20,990 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:20,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:21,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:21,194 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:21,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:21,195 INFO L85 PathProgramCache]: Analyzing trace with hash -360641376, now seen corresponding path program 1 times [2025-02-06 14:16:21,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:21,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118995245] [2025-02-06 14:16:21,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:21,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:21,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 14:16:21,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 14:16:21,204 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:21,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:21,248 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:21,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:21,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118995245] [2025-02-06 14:16:21,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118995245] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:21,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048115089] [2025-02-06 14:16:21,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:21,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:21,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:21,250 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:21,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:16:21,273 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-06 14:16:21,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-06 14:16:21,289 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:21,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:21,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:21,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:21,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:21,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048115089] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:21,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:21,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:16:21,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003042079] [2025-02-06 14:16:21,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:21,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:21,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:21,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:21,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:21,449 INFO L87 Difference]: Start difference. First operand 512 states and 561 transitions. Second operand has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-06 14:16:21,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:21,566 INFO L93 Difference]: Finished difference Result 1219 states and 1361 transitions. [2025-02-06 14:16:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:21,566 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 103 [2025-02-06 14:16:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:21,570 INFO L225 Difference]: With dead ends: 1219 [2025-02-06 14:16:21,570 INFO L226 Difference]: Without dead ends: 1218 [2025-02-06 14:16:21,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:21,571 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 112 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:21,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 213 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:21,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1218 states. [2025-02-06 14:16:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1218 to 1198. [2025-02-06 14:16:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1129 states have (on average 1.070859167404783) internal successors, (1209), 1132 states have internal predecessors, (1209), 63 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-02-06 14:16:21,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1335 transitions. [2025-02-06 14:16:21,632 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1335 transitions. Word has length 103 [2025-02-06 14:16:21,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:21,633 INFO L471 AbstractCegarLoop]: Abstraction has 1198 states and 1335 transitions. [2025-02-06 14:16:21,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-06 14:16:21,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1335 transitions. [2025-02-06 14:16:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-06 14:16:21,634 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:21,634 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:21,640 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 14:16:21,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:21,838 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:21,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:21,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1516179113, now seen corresponding path program 1 times [2025-02-06 14:16:21,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:21,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761309383] [2025-02-06 14:16:21,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:21,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:21,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 14:16:21,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 14:16:21,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:21,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 86 proven. 30 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-02-06 14:16:21,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:21,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761309383] [2025-02-06 14:16:21,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761309383] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:21,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142232689] [2025-02-06 14:16:21,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:21,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:21,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:21,917 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:21,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:16:21,957 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-06 14:16:21,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-06 14:16:21,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:21,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:21,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:21,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 98 proven. 30 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-02-06 14:16:22,076 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:22,155 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 86 proven. 30 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2025-02-06 14:16:22,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142232689] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:22,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:22,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-06 14:16:22,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566505377] [2025-02-06 14:16:22,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:22,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:22,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:22,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:22,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:22,158 INFO L87 Difference]: Start difference. First operand 1198 states and 1335 transitions. Second operand has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 14:16:22,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:22,285 INFO L93 Difference]: Finished difference Result 1279 states and 1421 transitions. [2025-02-06 14:16:22,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:22,285 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 111 [2025-02-06 14:16:22,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:22,289 INFO L225 Difference]: With dead ends: 1279 [2025-02-06 14:16:22,289 INFO L226 Difference]: Without dead ends: 1125 [2025-02-06 14:16:22,289 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 216 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:22,290 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 39 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:22,290 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 217 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:22,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2025-02-06 14:16:22,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1121. [2025-02-06 14:16:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1055 states have (on average 1.0597156398104266) internal successors, (1118), 1058 states have internal predecessors, (1118), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-06 14:16:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1238 transitions. [2025-02-06 14:16:22,346 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1238 transitions. Word has length 111 [2025-02-06 14:16:22,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:22,346 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1238 transitions. [2025-02-06 14:16:22,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.666666666666666) internal successors, (132), 9 states have internal predecessors, (132), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 14:16:22,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1238 transitions. [2025-02-06 14:16:22,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-06 14:16:22,347 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:22,348 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:22,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:22,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:22,548 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:22,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:22,549 INFO L85 PathProgramCache]: Analyzing trace with hash 412288807, now seen corresponding path program 1 times [2025-02-06 14:16:22,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:22,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934930206] [2025-02-06 14:16:22,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:22,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:22,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 14:16:22,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 14:16:22,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:22,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:22,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934930206] [2025-02-06 14:16:22,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934930206] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:22,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451872810] [2025-02-06 14:16:22,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:22,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:22,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:22,642 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:22,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:16:22,666 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-06 14:16:22,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-06 14:16:22,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:22,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:22,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:22,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:22,824 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 170 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:23,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451872810] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:23,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:23,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-06 14:16:23,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623067568] [2025-02-06 14:16:23,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:23,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:16:23,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:23,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:16:23,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:23,039 INFO L87 Difference]: Start difference. First operand 1121 states and 1238 transitions. Second operand has 13 states, 12 states have (on average 16.416666666666668) internal successors, (197), 13 states have internal predecessors, (197), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:16:23,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:23,213 INFO L93 Difference]: Finished difference Result 2262 states and 2558 transitions. [2025-02-06 14:16:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:16:23,214 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.416666666666668) internal successors, (197), 13 states have internal predecessors, (197), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 123 [2025-02-06 14:16:23,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:23,219 INFO L225 Difference]: With dead ends: 2262 [2025-02-06 14:16:23,219 INFO L226 Difference]: Without dead ends: 2261 [2025-02-06 14:16:23,219 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:23,220 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:23,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 162 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:23,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2261 states. [2025-02-06 14:16:23,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2261 to 2261. [2025-02-06 14:16:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2261 states, 2135 states have (on average 1.0576112412177987) internal successors, (2258), 2138 states have internal predecessors, (2258), 120 states have call successors, (120), 2 states have call predecessors, (120), 2 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2025-02-06 14:16:23,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2498 transitions. [2025-02-06 14:16:23,305 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2498 transitions. Word has length 123 [2025-02-06 14:16:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:23,305 INFO L471 AbstractCegarLoop]: Abstraction has 2261 states and 2498 transitions. [2025-02-06 14:16:23,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.416666666666668) internal successors, (197), 13 states have internal predecessors, (197), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:16:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2498 transitions. [2025-02-06 14:16:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 14:16:23,306 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:23,306 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:23,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-06 14:16:23,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:23,507 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-02-06 14:16:23,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:23,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1833130828, now seen corresponding path program 2 times [2025-02-06 14:16:23,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:23,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401341081] [2025-02-06 14:16:23,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:23,513 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-02-06 14:16:23,518 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 14:16:23,518 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:23,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:23,608 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 68 proven. 128 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:23,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401341081] [2025-02-06 14:16:23,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401341081] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:23,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640761184] [2025-02-06 14:16:23,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:23,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:23,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:23,610 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:23,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:16:23,631 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 134 statements into 2 equivalence classes. [2025-02-06 14:16:23,649 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 14:16:23,649 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:23,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:23,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:16:23,651 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:23,995 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 231 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:23,995 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 191 proven. 5 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:24,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640761184] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:24,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:24,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 14] total 20 [2025-02-06 14:16:24,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199826350] [2025-02-06 14:16:24,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:24,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:16:24,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:24,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:16:24,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:16:24,236 INFO L87 Difference]: Start difference. First operand 2261 states and 2498 transitions. Second operand has 20 states, 20 states have (on average 11.0) internal successors, (220), 20 states have internal predecessors, (220), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2025-02-06 14:16:25,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:25,192 INFO L93 Difference]: Finished difference Result 2397 states and 2634 transitions. [2025-02-06 14:16:25,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-02-06 14:16:25,196 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 11.0) internal successors, (220), 20 states have internal predecessors, (220), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) Word has length 134 [2025-02-06 14:16:25,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:25,196 INFO L225 Difference]: With dead ends: 2397 [2025-02-06 14:16:25,196 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 14:16:25,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 245 SyntacticMatches, 11 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1684 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1148, Invalid=4552, Unknown=0, NotChecked=0, Total=5700 [2025-02-06 14:16:25,199 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 139 mSDsluCounter, 752 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:25,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 847 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:16:25,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 14:16:25,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 14:16:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:16:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 14:16:25,203 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2025-02-06 14:16:25,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:25,203 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 14:16:25,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 11.0) internal successors, (220), 20 states have internal predecessors, (220), 12 states have call successors, (21), 7 states have call predecessors, (21), 7 states have return successors, (21), 12 states have call predecessors, (21), 12 states have call successors, (21) [2025-02-06 14:16:25,203 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 14:16:25,203 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 14:16:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2025-02-06 14:16:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2025-02-06 14:16:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2025-02-06 14:16:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2025-02-06 14:16:25,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2025-02-06 14:16:25,208 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2025-02-06 14:16:25,214 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 14:16:25,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 14:16:25,411 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:25,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 14:16:27,262 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 14:16:27,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 02:16:27 BoogieIcfgContainer [2025-02-06 14:16:27,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 14:16:27,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 14:16:27,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 14:16:27,290 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 14:16:27,290 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:08" (3/4) ... [2025-02-06 14:16:27,295 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 14:16:27,299 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 14:16:27,299 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-06 14:16:27,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-02-06 14:16:27,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 14:16:27,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 14:16:27,302 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 14:16:27,363 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 14:16:27,363 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 14:16:27,363 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 14:16:27,364 INFO L158 Benchmark]: Toolchain (without parser) took 19093.35ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 109.8MB in the beginning and 418.6MB in the end (delta: -308.8MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2025-02-06 14:16:27,364 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:16:27,364 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.25ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 98.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:16:27,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.88ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:16:27,364 INFO L158 Benchmark]: Boogie Preprocessor took 25.36ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 95.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 14:16:27,365 INFO L158 Benchmark]: IcfgBuilder took 303.42ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 81.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:16:27,365 INFO L158 Benchmark]: TraceAbstraction took 18531.79ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 80.6MB in the beginning and 422.9MB in the end (delta: -342.4MB). Peak memory consumption was 202.9MB. Max. memory is 16.1GB. [2025-02-06 14:16:27,365 INFO L158 Benchmark]: Witness Printer took 73.48ms. Allocated memory is still 469.8MB. Free memory was 422.9MB in the beginning and 418.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 14:16:27,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 201.3MB. Free memory is still 126.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.25ms. Allocated memory is still 142.6MB. Free memory was 109.8MB in the beginning and 98.0MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.88ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.3MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.36ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 95.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 303.42ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 81.3MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18531.79ms. Allocated memory was 142.6MB in the beginning and 469.8MB in the end (delta: 327.2MB). Free memory was 80.6MB in the beginning and 422.9MB in the end (delta: -342.4MB). Peak memory consumption was 202.9MB. Max. memory is 16.1GB. * Witness Printer took 73.48ms. Allocated memory is still 469.8MB. Free memory was 422.9MB in the beginning and 418.6MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 16.6s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2118 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2105 mSDsluCounter, 4531 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3390 mSDsCounter, 189 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4632 IncrementalHoareTripleChecker+Invalid, 4821 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 189 mSolverCounterUnsat, 1141 mSDtfsCounter, 4632 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2549 GetRequests, 2192 SyntacticMatches, 21 SemanticMatches, 336 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3947 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2261occurred in iteration=24, InterpolantAutomatonStates: 282, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 25 MinimizatonAttempts, 568 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 2730 NumberOfCodeBlocks, 2730 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 3386 ConstructedInterpolants, 7 QuantifiedInterpolants, 11560 SizeOfPredicates, 30 NumberOfNonLiveVariables, 2665 ConjunctsInSsa, 144 ConjunctsInUnsatCore, 51 InterpolantComputations, 10 PerfectInterpolantSequences, 1907/3489 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold - InvariantResult [Line: 36]: Location Invariant Derived location invariant: (((((((((((((((((((((((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483646)) && (2 <= x2)) && (y1 == 1)) && (y2 == 1)) && (counter <= 5)) && (x1 <= 2147483647)) && (x2 <= 1073741823)) && (3 <= counter)) && (0 <= y3)) || (((((((((0 <= x1) && (y2 == 0)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483647)) && (3 <= x2)) && (counter <= 5)) && (x1 <= 2147483647)) && (3 <= counter)) && (0 <= y3))) || (((((((x2 <= 2147483647) && (y2 == 0)) && (x1 == y3)) && (y1 == 0)) && (counter == 0)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (counter <= 5)) && (x1 <= ((long long) 2147483645 + y3))) && (4 <= counter)) && (y1 <= 2147483643)) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (2 <= counter)) && (2 == y1)) && (x2 == 1)) && (y2 == 0)) && (x1 <= ((long long) 2 + y3))) && (counter <= 5)) && (y3 <= 2147483645)) && (0 <= y3))) || ((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483645)) && (2 == y2)) && (counter == 5)) && (y1 == 1)) && (3 <= x2)) && (x1 <= 2147483647)) && (0 <= y3))) || ((((((((((0 <= x1) && (x2 == 1)) && (x1 <= ((long long) y3 + 2147483646))) && (counter == 5)) && (y2 == 0)) && (y1 <= 2147483644)) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (1 <= y1)) && (0 <= y3))) || (((((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (counter <= 5)) && (x1 <= ((long long) y3 + 2147483644))) && (x1 <= 2147483647)) && (((long long) y1 + y3) <= 2147483647)) && (3 <= counter)) && (1 <= y1)) && (y1 <= 3)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 <= counter)) && (2 <= x2)) && (y2 == 0)) && (y1 == 1)) && (((long long) x2 + y3) <= 2147483647)) && (x1 <= ((long long) 2 + y3))) && (counter <= 5)) && (x2 <= 1073741823)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 <= x2)) && (((long long) x2 + y3) <= 2147483645)) && (2 == y2)) && (y1 == 1)) && (counter <= 5)) && (4 <= counter)) && (x1 <= 2147483647)) && (x2 <= 1073741823)) && (0 <= y3))) || (((((((((0 <= x1) && (x2 <= 2147483647)) && (x1 <= ((long long) y3 + 1))) && (y2 == 1)) && (y1 == 0)) && (1 <= counter)) && (counter <= 5)) && (y3 <= 2147483646)) && (0 <= y3))) || (((((((((0 <= x1) && (2 <= counter)) && (2 == y2)) && (x2 <= 2147483647)) && (y1 == 0)) && (x1 <= ((long long) 2 + y3))) && (counter <= 5)) && (y3 <= 2147483645)) && (0 <= y3))) || (((((((((0 <= x1) && (2 <= x2)) && (counter == 5)) && (y2 == 1)) && ((((long long) x2 * y1) + y3) <= 2147483646)) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || (((((((((0 <= x1) && (((long long) x2 + y3) <= 2147483646)) && (y1 == 1)) && (y2 == 1)) && (3 <= x2)) && (counter <= 5)) && (4 <= counter)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((((0 <= x1) && (y3 <= 2147483647)) && (x2 <= 2147483647)) && (2 <= y2)) && (y1 == 0)) && (counter <= 5)) && (y2 <= 4)) && (((long long) y2 + y3) <= 2147483647)) && (4 <= counter)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((0 <= x1) && (x2 <= 2147483647)) && (counter == 5)) && (y2 <= 2147483642)) && (2 <= y2)) && (y1 == 0)) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= 2147483647)) && (0 <= y3))) || (((((((((((0 <= x1) && (y3 <= 2147483647)) && (x2 <= 2147483647)) && (2 <= y2)) && (y1 == 0)) && (counter <= 5)) && (y2 <= 3)) && (((long long) y2 + y3) <= 2147483647)) && (x1 <= 2147483647)) && (3 <= counter)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 <= x2)) && (y2 == 0)) && ((((long long) x2 * y1) + y3) <= 2147483647)) && (counter <= 5)) && (4 <= counter)) && (x1 <= 2147483647)) && (y1 <= 2)) && (1 <= y1)) && (0 <= y3))) || ((((((((((0 <= x1) && (2 <= x2)) && (counter == 5)) && (y1 == 1)) && (2 <= y2)) && ((((long long) x2 + y2) + y3) <= 2147483647)) && (y2 <= 3)) && (x1 <= 2147483647)) && (x2 <= 1073741823)) && (0 <= y3))) || (((((((((0 <= x1) && (x2 == 1)) && (y2 == 0)) && (y1 == 1)) && (x1 <= ((long long) y3 + 1))) && (1 <= counter)) && (counter <= 5)) && (y3 <= 2147483646)) && (0 <= y3))) RESULT: Ultimate proved your program to be correct! [2025-02-06 14:16:27,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE