./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.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_valuebound100.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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:16:21,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:16:21,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:16:21,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:16:21,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:16:21,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:16:21,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:16:21,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:16:21,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:16:21,576 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:16:21,576 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:16:21,576 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:16:21,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:16:21,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:16:21,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:16:21,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:16:21,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:16:21,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:16:21,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:16:21,579 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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2025-02-06 14:16:21,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:16:21,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:16:21,815 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:16:21,816 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:16:21,816 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:16:21,817 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2025-02-06 14:16:23,125 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/115623f36/8568ebb03eb144a2a7b299fbb14e776e/FLAG281722c3a [2025-02-06 14:16:23,335 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:16:23,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound100.c [2025-02-06 14:16:23,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/115623f36/8568ebb03eb144a2a7b299fbb14e776e/FLAG281722c3a [2025-02-06 14:16:23,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/115623f36/8568ebb03eb144a2a7b299fbb14e776e [2025-02-06 14:16:23,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:16:23,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:16:23,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:16:23,387 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:16:23,391 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:16:23,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47613426 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23, skipping insertion in model container [2025-02-06 14:16:23,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:16:23,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:16:23,626 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:16:23,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:16:23,674 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:16:23,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23 WrapperNode [2025-02-06 14:16:23,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:16:23,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:16:23,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:16:23,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:16:23,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,703 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2025-02-06 14:16:23,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:16:23,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:16:23,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:16:23,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:16:23,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,728 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 14:16:23,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,736 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:16:23,738 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:16:23,738 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:16:23,738 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:16:23,744 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (1/1) ... [2025-02-06 14:16:23,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:16:23,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:23,800 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 14:16:23,807 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 14:16:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:16:23,822 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:16:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:16:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:16:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:16:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:16:23,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:16:23,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:16:23,859 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:16:23,861 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:16:23,982 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2025-02-06 14:16:23,983 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:16:23,989 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:16:23,989 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:16:23,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:23 BoogieIcfgContainer [2025-02-06 14:16:23,990 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:16:23,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:16:23,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:16:23,994 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:16:23,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:16:23" (1/3) ... [2025-02-06 14:16:23,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6131de34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:16:23, skipping insertion in model container [2025-02-06 14:16:23,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:23" (2/3) ... [2025-02-06 14:16:23,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6131de34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:16:23, skipping insertion in model container [2025-02-06 14:16:23,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:23" (3/3) ... [2025-02-06 14:16:23,996 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound100.c [2025-02-06 14:16:24,005 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:16:24,007 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv_valuebound100.c that has 3 procedures, 64 locations, 1 initial locations, 1 loop locations, and 20 error locations. [2025-02-06 14:16:24,038 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:16:24,046 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;@6dcafa7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:16:24,046 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-02-06 14:16:24,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 57 states have internal predecessors, (62), 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 14:16:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:16:24,052 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:24,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:24,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:24,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:24,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1189932886, now seen corresponding path program 1 times [2025-02-06 14:16:24,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:24,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405511020] [2025-02-06 14:16:24,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:24,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:24,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:24,116 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:24,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:24,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 14:16:24,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:24,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405511020] [2025-02-06 14:16:24,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405511020] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:24,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79700442] [2025-02-06 14:16:24,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:24,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:24,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:24,152 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 14:16:24,154 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 14:16:24,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:24,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:24,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:24,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:24,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:16:24,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:24,216 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 14:16:24,217 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:24,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79700442] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:24,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:24,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:16:24,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953927601] [2025-02-06 14:16:24,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:24,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:16:24,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:24,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:16:24,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:16:24,238 INFO L87 Difference]: Start difference. First operand has 64 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 57 states have internal predecessors, (62), 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:16:24,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:24,251 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2025-02-06 14:16:24,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:16:24,255 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-02-06 14:16:24,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:24,259 INFO L225 Difference]: With dead ends: 124 [2025-02-06 14:16:24,259 INFO L226 Difference]: Without dead ends: 57 [2025-02-06 14:16:24,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:16:24,262 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:24,263 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:24,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-02-06 14:16:24,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-02-06 14:16:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.65625) internal successors, (53), 51 states have internal predecessors, (53), 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 14:16:24,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2025-02-06 14:16:24,289 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 15 [2025-02-06 14:16:24,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:24,289 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2025-02-06 14:16:24,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:16:24,290 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2025-02-06 14:16:24,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:16:24,291 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:24,291 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:24,297 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 14:16:24,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:16:24,492 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:24,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:24,493 INFO L85 PathProgramCache]: Analyzing trace with hash -578389322, now seen corresponding path program 1 times [2025-02-06 14:16:24,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:24,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820791977] [2025-02-06 14:16:24,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:24,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:24,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:24,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:24,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:24,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:24,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026778137] [2025-02-06 14:16:24,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:24,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:24,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:24,521 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 14:16:24,522 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 14:16:24,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:24,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:24,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:24,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:24,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:16:24,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:24,567 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 14:16:24,568 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:24,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:24,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820791977] [2025-02-06 14:16:24,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:24,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026778137] [2025-02-06 14:16:24,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026778137] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:24,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:24,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:16:24,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391361834] [2025-02-06 14:16:24,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:24,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:16:24,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:24,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:16:24,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:16:24,570 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 14:16:24,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:24,639 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2025-02-06 14:16:24,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:16:24,640 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 14:16:24,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:24,641 INFO L225 Difference]: With dead ends: 91 [2025-02-06 14:16:24,641 INFO L226 Difference]: Without dead ends: 85 [2025-02-06 14:16:24,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 14:16:24,641 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 26 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:24,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:24,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-02-06 14:16:24,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2025-02-06 14:16:24,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 70 states have internal predecessors, (84), 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 14:16:24,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2025-02-06 14:16:24,647 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 15 [2025-02-06 14:16:24,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:24,648 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2025-02-06 14:16:24,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 14:16:24,648 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2025-02-06 14:16:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 14:16:24,649 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:24,649 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:24,657 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 14:16:24,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:24,853 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:24,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:24,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1781356780, now seen corresponding path program 1 times [2025-02-06 14:16:24,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:24,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69711300] [2025-02-06 14:16:24,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:24,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:24,859 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 14:16:24,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 14:16:24,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:24,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:24,920 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 14:16:24,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:24,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69711300] [2025-02-06 14:16:24,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69711300] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:24,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:24,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754131719] [2025-02-06 14:16:24,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:24,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:24,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:24,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:24,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:24,922 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 14:16:25,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:25,034 INFO L93 Difference]: Finished difference Result 121 states and 153 transitions. [2025-02-06 14:16:25,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:25,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 17 [2025-02-06 14:16:25,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:25,036 INFO L225 Difference]: With dead ends: 121 [2025-02-06 14:16:25,036 INFO L226 Difference]: Without dead ends: 114 [2025-02-06 14:16:25,040 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 14:16:25,040 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 21 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:25,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 93 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:25,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-06 14:16:25,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2025-02-06 14:16:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 101 states have internal predecessors, (128), 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 14:16:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2025-02-06 14:16:25,048 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 140 transitions. Word has length 17 [2025-02-06 14:16:25,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:25,048 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 140 transitions. [2025-02-06 14:16:25,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 14:16:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2025-02-06 14:16:25,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 14:16:25,048 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:25,048 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:25,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:16:25,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:25,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:25,049 INFO L85 PathProgramCache]: Analyzing trace with hash 612514679, now seen corresponding path program 1 times [2025-02-06 14:16:25,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:25,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394942056] [2025-02-06 14:16:25,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:25,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:25,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 14:16:25,058 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 14:16:25,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:25,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:25,121 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 14:16:25,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:25,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394942056] [2025-02-06 14:16:25,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394942056] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:25,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:25,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:25,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723629241] [2025-02-06 14:16:25,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:25,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:25,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:25,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:25,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:25,122 INFO L87 Difference]: Start difference. First operand 110 states and 140 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 14:16:25,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:25,173 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2025-02-06 14:16:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:25,173 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 14:16:25,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:25,174 INFO L225 Difference]: With dead ends: 116 [2025-02-06 14:16:25,174 INFO L226 Difference]: Without dead ends: 107 [2025-02-06 14:16:25,174 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 14:16:25,175 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:25,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 78 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:25,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-06 14:16:25,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2025-02-06 14:16:25,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 96 states have internal predecessors, (118), 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 14:16:25,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2025-02-06 14:16:25,182 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 18 [2025-02-06 14:16:25,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:25,182 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2025-02-06 14:16:25,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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 14:16:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2025-02-06 14:16:25,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 14:16:25,182 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:25,183 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:25,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:16:25,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:25,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:25,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1808085874, now seen corresponding path program 1 times [2025-02-06 14:16:25,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:25,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723227763] [2025-02-06 14:16:25,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:25,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:25,187 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:16:25,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:16:25,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:25,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:25,308 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 14:16:25,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:25,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723227763] [2025-02-06 14:16:25,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723227763] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:25,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027773725] [2025-02-06 14:16:25,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:25,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:25,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:25,311 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 14:16:25,312 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 14:16:25,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:16:25,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:16:25,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:25,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:25,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:25,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:25,410 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 14:16:25,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:25,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027773725] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:25,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:25,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 14:16:25,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323679258] [2025-02-06 14:16:25,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:25,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:25,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:25,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:25,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:25,411 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14:16:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:25,486 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2025-02-06 14:16:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:25,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 19 [2025-02-06 14:16:25,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:25,488 INFO L225 Difference]: With dead ends: 108 [2025-02-06 14:16:25,488 INFO L226 Difference]: Without dead ends: 107 [2025-02-06 14:16:25,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 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 14:16:25,488 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 72 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 64 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 14:16:25,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 64 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:25,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-06 14:16:25,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2025-02-06 14:16:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 96 states have internal predecessors, (117), 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 14:16:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 129 transitions. [2025-02-06 14:16:25,495 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 129 transitions. Word has length 19 [2025-02-06 14:16:25,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:25,496 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 129 transitions. [2025-02-06 14:16:25,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14:16:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2025-02-06 14:16:25,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 14:16:25,496 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:25,496 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 14:16:25,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:25,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:25,700 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:25,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:25,701 INFO L85 PathProgramCache]: Analyzing trace with hash 216087253, now seen corresponding path program 1 times [2025-02-06 14:16:25,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:25,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880136026] [2025-02-06 14:16:25,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:25,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:25,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 14:16:25,720 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 14:16:25,720 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:25,720 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:25,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [263354648] [2025-02-06 14:16:25,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:25,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:25,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:25,726 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 14:16:25,728 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 14:16:25,752 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 14:16:25,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 14:16:25,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:25,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:25,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:25,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:25,841 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 14:16:25,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:25,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:25,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880136026] [2025-02-06 14:16:25,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:25,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263354648] [2025-02-06 14:16:25,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [263354648] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:25,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:25,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:25,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325542247] [2025-02-06 14:16:25,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:25,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:25,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:25,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:25,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:25,842 INFO L87 Difference]: Start difference. First operand 105 states and 129 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 14:16:25,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:25,934 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2025-02-06 14:16:25,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:25,935 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 14:16:25,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:25,936 INFO L225 Difference]: With dead ends: 106 [2025-02-06 14:16:25,936 INFO L226 Difference]: Without dead ends: 105 [2025-02-06 14:16:25,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 14:16:25,939 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 69 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 14:16:25,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 69 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:25,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-02-06 14:16:25,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-02-06 14:16:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 96 states have internal predecessors, (116), 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 14:16:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2025-02-06 14:16:25,952 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 20 [2025-02-06 14:16:25,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:25,952 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2025-02-06 14:16:25,952 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 14:16:25,952 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2025-02-06 14:16:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 14:16:25,953 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:25,953 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] [2025-02-06 14:16:25,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 14:16:26,153 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,SelfDestructingSolverStorable5 [2025-02-06 14:16:26,153 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:26,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash -5591998, now seen corresponding path program 1 times [2025-02-06 14:16:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095171153] [2025-02-06 14:16:26,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:26,159 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:16:26,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:16:26,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:26,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:26,300 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 14:16:26,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:26,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095171153] [2025-02-06 14:16:26,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095171153] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:26,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726053951] [2025-02-06 14:16:26,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:26,303 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 14:16:26,307 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 14:16:26,323 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:16:26,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:16:26,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:26,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:26,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:16:26,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:26,377 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 14:16:26,377 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:26,455 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 14:16:26,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726053951] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:26,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:26,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-06 14:16:26,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215513470] [2025-02-06 14:16:26,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:26,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:26,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:26,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:26,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:26,457 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 14:16:26,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:26,541 INFO L93 Difference]: Finished difference Result 158 states and 195 transitions. [2025-02-06 14:16:26,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:26,541 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 32 [2025-02-06 14:16:26,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:26,542 INFO L225 Difference]: With dead ends: 158 [2025-02-06 14:16:26,542 INFO L226 Difference]: Without dead ends: 156 [2025-02-06 14:16:26,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:26,543 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 216 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:26,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 249 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:26,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-02-06 14:16:26,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2025-02-06 14:16:26,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.5) internal successors, (174), 135 states have internal predecessors, (174), 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 14:16:26,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2025-02-06 14:16:26,567 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 32 [2025-02-06 14:16:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:26,567 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2025-02-06 14:16:26,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 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 14:16:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2025-02-06 14:16:26,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:16:26,568 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:26,568 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] [2025-02-06 14:16:26,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:26,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:26,772 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:26,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:26,773 INFO L85 PathProgramCache]: Analyzing trace with hash -173351956, now seen corresponding path program 1 times [2025-02-06 14:16:26,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:26,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857689409] [2025-02-06 14:16:26,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:26,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:26,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:16:26,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:16:26,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:26,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:26,823 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 14:16:26,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:26,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857689409] [2025-02-06 14:16:26,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857689409] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:26,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:26,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:26,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196863438] [2025-02-06 14:16:26,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:26,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:26,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:26,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:26,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:26,825 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 14:16:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:26,849 INFO L93 Difference]: Finished difference Result 146 states and 190 transitions. [2025-02-06 14:16:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:26,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 33 [2025-02-06 14:16:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:26,850 INFO L225 Difference]: With dead ends: 146 [2025-02-06 14:16:26,850 INFO L226 Difference]: Without dead ends: 144 [2025-02-06 14:16:26,850 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 14:16:26,851 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 57 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 73 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 14:16:26,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:26,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-06 14:16:26,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2025-02-06 14:16:26,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 116 states have (on average 1.456896551724138) internal successors, (169), 133 states have internal predecessors, (169), 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 14:16:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2025-02-06 14:16:26,857 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 33 [2025-02-06 14:16:26,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:26,858 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2025-02-06 14:16:26,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 14:16:26,858 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2025-02-06 14:16:26,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 14:16:26,858 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:26,858 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] [2025-02-06 14:16:26,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:16:26,859 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:26,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:26,859 INFO L85 PathProgramCache]: Analyzing trace with hash 912495434, now seen corresponding path program 1 times [2025-02-06 14:16:26,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:26,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885951838] [2025-02-06 14:16:26,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:26,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:26,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:16:26,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:16:26,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:26,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:26,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662622684] [2025-02-06 14:16:26,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:26,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:26,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:26,869 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 14:16:26,875 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 14:16:26,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:16:26,905 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:16:26,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:26,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:26,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:26,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:27,005 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 14:16:27,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:27,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885951838] [2025-02-06 14:16:27,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:27,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662622684] [2025-02-06 14:16:27,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662622684] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:27,111 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:27,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:16:27,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476052710] [2025-02-06 14:16:27,112 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:27,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:27,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:27,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:27,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:27,113 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 14:16:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:27,191 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2025-02-06 14:16:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:27,191 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 35 [2025-02-06 14:16:27,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:27,192 INFO L225 Difference]: With dead ends: 151 [2025-02-06 14:16:27,192 INFO L226 Difference]: Without dead ends: 144 [2025-02-06 14:16:27,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:27,193 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 74 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:27,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 48 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-06 14:16:27,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2025-02-06 14:16:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 129 states have internal predecessors, (157), 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 14:16:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 173 transitions. [2025-02-06 14:16:27,199 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 173 transitions. Word has length 35 [2025-02-06 14:16:27,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:27,199 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 173 transitions. [2025-02-06 14:16:27,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 14:16:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 173 transitions. [2025-02-06 14:16:27,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-06 14:16:27,200 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:27,200 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] [2025-02-06 14:16:27,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:16:27,400 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,SelfDestructingSolverStorable8 [2025-02-06 14:16:27,401 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:27,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:27,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1777412603, now seen corresponding path program 1 times [2025-02-06 14:16:27,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:27,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434067525] [2025-02-06 14:16:27,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:27,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:27,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 14:16:27,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 14:16:27,410 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:27,410 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:27,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1033482620] [2025-02-06 14:16:27,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:27,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:27,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:27,412 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 14:16:27,413 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 14:16:27,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 14:16:27,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 14:16:27,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:27,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:27,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:27,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:27,529 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 14:16:27,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:27,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:27,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434067525] [2025-02-06 14:16:27,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:27,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033482620] [2025-02-06 14:16:27,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033482620] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:27,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:27,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:16:27,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224004214] [2025-02-06 14:16:27,672 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:27,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:27,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:27,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:27,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:27,673 INFO L87 Difference]: Start difference. First operand 140 states and 173 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 14:16:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:27,770 INFO L93 Difference]: Finished difference Result 188 states and 231 transitions. [2025-02-06 14:16:27,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:27,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 14:16:27,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:27,771 INFO L225 Difference]: With dead ends: 188 [2025-02-06 14:16:27,771 INFO L226 Difference]: Without dead ends: 185 [2025-02-06 14:16:27,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 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 14:16:27,772 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 95 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:27,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 104 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:27,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-02-06 14:16:27,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2025-02-06 14:16:27,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 152 states have (on average 1.3289473684210527) internal successors, (202), 164 states have internal predecessors, (202), 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 14:16:27,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 222 transitions. [2025-02-06 14:16:27,779 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 222 transitions. Word has length 36 [2025-02-06 14:16:27,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:27,779 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 222 transitions. [2025-02-06 14:16:27,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 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 14:16:27,779 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2025-02-06 14:16:27,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 14:16:27,780 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:27,780 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:27,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:27,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:27,984 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:27,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1268573271, now seen corresponding path program 1 times [2025-02-06 14:16:27,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:27,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174599346] [2025-02-06 14:16:27,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:27,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:27,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 14:16:27,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 14:16:27,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:27,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:28,028 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:28,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174599346] [2025-02-06 14:16:28,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174599346] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:28,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980047379] [2025-02-06 14:16:28,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:28,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:28,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:28,030 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 14:16:28,032 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 14:16:28,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 14:16:28,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 14:16:28,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:28,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:28,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:16:28,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:28,129 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:28,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980047379] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:28,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:28,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:16:28,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301973743] [2025-02-06 14:16:28,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:28,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:28,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:28,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:28,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:28,131 INFO L87 Difference]: Start difference. First operand 177 states and 222 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 14:16:28,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:28,198 INFO L93 Difference]: Finished difference Result 177 states and 222 transitions. [2025-02-06 14:16:28,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:16:28,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 37 [2025-02-06 14:16:28,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:28,199 INFO L225 Difference]: With dead ends: 177 [2025-02-06 14:16:28,199 INFO L226 Difference]: Without dead ends: 175 [2025-02-06 14:16:28,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 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 14:16:28,200 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:28,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 65 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:28,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-02-06 14:16:28,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2025-02-06 14:16:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.3154362416107384) internal successors, (196), 159 states have internal predecessors, (196), 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 14:16:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 216 transitions. [2025-02-06 14:16:28,206 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 216 transitions. Word has length 37 [2025-02-06 14:16:28,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:28,206 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 216 transitions. [2025-02-06 14:16:28,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 14:16:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 216 transitions. [2025-02-06 14:16:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-06 14:16:28,207 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:28,207 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] [2025-02-06 14:16:28,213 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 14:16:28,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:28,408 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:28,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:28,408 INFO L85 PathProgramCache]: Analyzing trace with hash -671065726, now seen corresponding path program 1 times [2025-02-06 14:16:28,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:28,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279950012] [2025-02-06 14:16:28,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:28,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:28,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 14:16:28,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 14:16:28,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:28,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:28,472 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 14:16:28,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279950012] [2025-02-06 14:16:28,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279950012] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:28,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285826155] [2025-02-06 14:16:28,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:28,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:28,476 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 14:16:28,479 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 14:16:28,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 14:16:28,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 14:16:28,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:28,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:28,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:28,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:28,561 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 14:16:28,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:28,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285826155] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:28,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:28,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2025-02-06 14:16:28,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190488079] [2025-02-06 14:16:28,630 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:28,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:28,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:28,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:28,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:28,631 INFO L87 Difference]: Start difference. First operand 172 states and 216 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 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 14:16:28,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:28,772 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2025-02-06 14:16:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:16:28,772 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 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 38 [2025-02-06 14:16:28,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:28,773 INFO L225 Difference]: With dead ends: 180 [2025-02-06 14:16:28,773 INFO L226 Difference]: Without dead ends: 172 [2025-02-06 14:16:28,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 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 14:16:28,774 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 35 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:28,774 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 150 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-02-06 14:16:28,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-02-06 14:16:28,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 159 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 14:16:28,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2025-02-06 14:16:28,781 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 38 [2025-02-06 14:16:28,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:28,781 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2025-02-06 14:16:28,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 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 14:16:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2025-02-06 14:16:28,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:16:28,782 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:28,782 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] [2025-02-06 14:16:28,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:28,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:28,985 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:28,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:28,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1752949254, now seen corresponding path program 1 times [2025-02-06 14:16:28,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:28,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142699427] [2025-02-06 14:16:28,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:28,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:28,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:16:28,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:16:28,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:28,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:29,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:29,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142699427] [2025-02-06 14:16:29,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142699427] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:29,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039201153] [2025-02-06 14:16:29,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:29,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:29,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:29,093 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 14:16:29,097 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 14:16:29,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:16:29,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:16:29,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:29,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:29,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:29,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:29,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:29,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:29,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039201153] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:29,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:29,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-06 14:16:29,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974958639] [2025-02-06 14:16:29,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:29,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:16:29,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:29,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:16:29,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:29,344 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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 14:16:29,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:29,601 INFO L93 Difference]: Finished difference Result 173 states and 212 transitions. [2025-02-06 14:16:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:16:29,601 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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 39 [2025-02-06 14:16:29,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:29,602 INFO L225 Difference]: With dead ends: 173 [2025-02-06 14:16:29,602 INFO L226 Difference]: Without dead ends: 170 [2025-02-06 14:16:29,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 65 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:16:29,603 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 139 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:29,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 160 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:29,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-02-06 14:16:29,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 143. [2025-02-06 14:16:29,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 131 states have internal predecessors, (153), 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 14:16:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2025-02-06 14:16:29,609 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 39 [2025-02-06 14:16:29,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:29,609 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2025-02-06 14:16:29,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 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 14:16:29,610 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2025-02-06 14:16:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:16:29,610 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:29,610 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] [2025-02-06 14:16:29,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 14:16:29,810 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,SelfDestructingSolverStorable12 [2025-02-06 14:16:29,811 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:29,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:29,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1493147967, now seen corresponding path program 1 times [2025-02-06 14:16:29,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:29,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476254237] [2025-02-06 14:16:29,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:29,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:29,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:16:29,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:16:29,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:29,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:29,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1940275337] [2025-02-06 14:16:29,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:29,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:29,821 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 14:16:29,825 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 14:16:29,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:16:29,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:16:29,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:29,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:29,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:16:29,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:29,970 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 14:16:29,971 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:30,042 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 14:16:30,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:30,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476254237] [2025-02-06 14:16:30,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:30,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940275337] [2025-02-06 14:16:30,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940275337] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:30,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:30,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 14:16:30,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55460091] [2025-02-06 14:16:30,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:30,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:30,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:30,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:30,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:30,044 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 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 14:16:30,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:30,236 INFO L93 Difference]: Finished difference Result 230 states and 274 transitions. [2025-02-06 14:16:30,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:30,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 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 40 [2025-02-06 14:16:30,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:30,237 INFO L225 Difference]: With dead ends: 230 [2025-02-06 14:16:30,237 INFO L226 Difference]: Without dead ends: 158 [2025-02-06 14:16:30,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 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 14:16:30,238 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 90 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:30,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 93 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:30,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-06 14:16:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-02-06 14:16:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.1654676258992807) internal successors, (162), 145 states have internal predecessors, (162), 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 14:16:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 182 transitions. [2025-02-06 14:16:30,245 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 182 transitions. Word has length 40 [2025-02-06 14:16:30,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:30,246 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 182 transitions. [2025-02-06 14:16:30,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 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 14:16:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 182 transitions. [2025-02-06 14:16:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 14:16:30,246 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:30,247 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:30,252 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 14:16:30,447 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,SelfDestructingSolverStorable13 [2025-02-06 14:16:30,447 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:30,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:30,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1474256399, now seen corresponding path program 2 times [2025-02-06 14:16:30,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:30,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190471775] [2025-02-06 14:16:30,448 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:30,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:30,452 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-02-06 14:16:30,458 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:16:30,458 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:30,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:30,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122651514] [2025-02-06 14:16:30,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:30,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:30,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:30,460 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 14:16:30,479 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 14:16:30,496 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-02-06 14:16:30,508 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:16:30,508 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:30,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:30,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:30,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:30,592 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:30,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:30,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:30,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190471775] [2025-02-06 14:16:30,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:30,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122651514] [2025-02-06 14:16:30,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122651514] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:30,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:30,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:16:30,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275291652] [2025-02-06 14:16:30,742 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:30,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:16:30,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:30,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:16:30,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:30,743 INFO L87 Difference]: Start difference. First operand 158 states and 182 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 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 14:16:31,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:31,080 INFO L93 Difference]: Finished difference Result 325 states and 386 transitions. [2025-02-06 14:16:31,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:16:31,080 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 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 56 [2025-02-06 14:16:31,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:31,082 INFO L225 Difference]: With dead ends: 325 [2025-02-06 14:16:31,082 INFO L226 Difference]: Without dead ends: 322 [2025-02-06 14:16:31,083 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:16:31,083 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 135 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:31,085 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 263 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-06 14:16:31,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 300. [2025-02-06 14:16:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 274 states have (on average 1.1715328467153285) internal successors, (321), 279 states have internal predecessors, (321), 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 14:16:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 357 transitions. [2025-02-06 14:16:31,099 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 357 transitions. Word has length 56 [2025-02-06 14:16:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:31,100 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 357 transitions. [2025-02-06 14:16:31,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 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 14:16:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 357 transitions. [2025-02-06 14:16:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 14:16:31,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:31,101 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:31,109 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 14:16:31,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:31,302 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:31,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:31,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1473643533, now seen corresponding path program 2 times [2025-02-06 14:16:31,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:31,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993111636] [2025-02-06 14:16:31,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:31,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:31,306 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 58 statements into 2 equivalence classes. [2025-02-06 14:16:31,314 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:16:31,314 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:31,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:16:31,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:31,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993111636] [2025-02-06 14:16:31,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993111636] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:31,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249872907] [2025-02-06 14:16:31,495 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:31,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:31,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:31,496 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 14:16:31,498 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 14:16:31,516 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 58 statements into 2 equivalence classes. [2025-02-06 14:16:31,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:16:31,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:31,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:31,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:31,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:31,632 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:31,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:31,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249872907] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:31,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:31,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 13 [2025-02-06 14:16:31,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532812434] [2025-02-06 14:16:31,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:31,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:16:31,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:31,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:16:31,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:16:31,727 INFO L87 Difference]: Start difference. First operand 300 states and 357 transitions. Second operand has 14 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:32,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:32,083 INFO L93 Difference]: Finished difference Result 322 states and 383 transitions. [2025-02-06 14:16:32,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 14:16:32,084 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 58 [2025-02-06 14:16:32,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:32,085 INFO L225 Difference]: With dead ends: 322 [2025-02-06 14:16:32,085 INFO L226 Difference]: Without dead ends: 310 [2025-02-06 14:16:32,086 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=293, Invalid=763, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:16:32,087 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 99 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:32,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 108 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2025-02-06 14:16:32,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2025-02-06 14:16:32,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 285 states have (on average 1.119298245614035) internal successors, (319), 288 states have internal predecessors, (319), 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 14:16:32,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 357 transitions. [2025-02-06 14:16:32,099 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 357 transitions. Word has length 58 [2025-02-06 14:16:32,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:32,099 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 357 transitions. [2025-02-06 14:16:32,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 357 transitions. [2025-02-06 14:16:32,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 14:16:32,100 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:32,100 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:32,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:32,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:32,301 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:32,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:32,302 INFO L85 PathProgramCache]: Analyzing trace with hash -803173135, now seen corresponding path program 1 times [2025-02-06 14:16:32,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:32,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619612958] [2025-02-06 14:16:32,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:32,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:32,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:16:32,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:16:32,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:32,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 14:16:32,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:32,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619612958] [2025-02-06 14:16:32,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619612958] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:32,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822560866] [2025-02-06 14:16:32,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:32,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:32,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:32,363 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 14:16:32,368 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 14:16:32,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:16:32,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:16:32,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:32,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:32,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:16:32,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 14:16:32,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 14:16:32,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822560866] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:32,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:32,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 14:16:32,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704789194] [2025-02-06 14:16:32,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:32,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:16:32,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:32,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:16:32,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:16:32,485 INFO L87 Difference]: Start difference. First operand 310 states and 357 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 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 14:16:32,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:32,548 INFO L93 Difference]: Finished difference Result 594 states and 702 transitions. [2025-02-06 14:16:32,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:32,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 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 88 [2025-02-06 14:16:32,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:32,550 INFO L225 Difference]: With dead ends: 594 [2025-02-06 14:16:32,550 INFO L226 Difference]: Without dead ends: 592 [2025-02-06 14:16:32,550 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:16:32,550 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 11 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:32,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 95 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:32,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2025-02-06 14:16:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2025-02-06 14:16:32,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 549 states have (on average 1.0710382513661203) internal successors, (588), 551 states have internal predecessors, (588), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-06 14:16:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 664 transitions. [2025-02-06 14:16:32,573 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 664 transitions. Word has length 88 [2025-02-06 14:16:32,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:32,573 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 664 transitions. [2025-02-06 14:16:32,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 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 14:16:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 664 transitions. [2025-02-06 14:16:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 14:16:32,576 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:32,576 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:32,582 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 14:16:32,781 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,SelfDestructingSolverStorable16 [2025-02-06 14:16:32,781 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:32,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:32,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1852349738, now seen corresponding path program 1 times [2025-02-06 14:16:32,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:32,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748200424] [2025-02-06 14:16:32,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:32,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:32,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 14:16:32,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 14:16:32,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:32,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:32,879 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:32,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:32,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748200424] [2025-02-06 14:16:32,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748200424] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:32,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797550025] [2025-02-06 14:16:32,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:32,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:32,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:32,884 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 14:16:32,885 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 14:16:32,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 14:16:32,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 14:16:32,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:32,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:32,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:32,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:32,994 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:32,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:33,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797550025] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:33,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:33,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:16:33,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286176978] [2025-02-06 14:16:33,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:33,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:33,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:33,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:33,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:33,091 INFO L87 Difference]: Start difference. First operand 592 states and 664 transitions. Second operand has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 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 14:16:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:33,197 INFO L93 Difference]: Finished difference Result 1080 states and 1215 transitions. [2025-02-06 14:16:33,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:33,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 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 91 [2025-02-06 14:16:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:33,200 INFO L225 Difference]: With dead ends: 1080 [2025-02-06 14:16:33,200 INFO L226 Difference]: Without dead ends: 1079 [2025-02-06 14:16:33,201 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 176 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 14:16:33,201 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 86 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:33,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 182 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:33,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2025-02-06 14:16:33,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1071. [2025-02-06 14:16:33,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 998 states have (on average 1.0731462925851702) internal successors, (1071), 1000 states have internal predecessors, (1071), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-02-06 14:16:33,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1207 transitions. [2025-02-06 14:16:33,258 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1207 transitions. Word has length 91 [2025-02-06 14:16:33,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:33,258 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1207 transitions. [2025-02-06 14:16:33,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 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 14:16:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1207 transitions. [2025-02-06 14:16:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 14:16:33,260 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:33,260 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:33,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:16:33,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:16:33,460 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:33,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:33,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1355961816, now seen corresponding path program 1 times [2025-02-06 14:16:33,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:33,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240289776] [2025-02-06 14:16:33,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:33,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:33,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:16:33,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:16:33,475 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:33,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 14:16:33,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:33,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240289776] [2025-02-06 14:16:33,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240289776] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:33,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216294585] [2025-02-06 14:16:33,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:33,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:33,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:33,553 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 14:16:33,555 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 14:16:33,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:16:33,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:16:33,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:33,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:33,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:33,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 77 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-06 14:16:33,654 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 14:16:33,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216294585] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:33,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:33,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-06 14:16:33,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350567974] [2025-02-06 14:16:33,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:33,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:33,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:33,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:33,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:33,722 INFO L87 Difference]: Start difference. First operand 1071 states and 1207 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 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 14:16:33,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:33,879 INFO L93 Difference]: Finished difference Result 2204 states and 2486 transitions. [2025-02-06 14:16:33,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:33,879 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 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 96 [2025-02-06 14:16:33,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:33,884 INFO L225 Difference]: With dead ends: 2204 [2025-02-06 14:16:33,885 INFO L226 Difference]: Without dead ends: 1549 [2025-02-06 14:16:33,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 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 14:16:33,887 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:33,887 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 215 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:33,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2025-02-06 14:16:33,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1169. [2025-02-06 14:16:33,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1090 states have (on average 1.0660550458715596) internal successors, (1162), 1092 states have internal predecessors, (1162), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-02-06 14:16:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1310 transitions. [2025-02-06 14:16:33,930 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1310 transitions. Word has length 96 [2025-02-06 14:16:33,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:33,930 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1310 transitions. [2025-02-06 14:16:33,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 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 14:16:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1310 transitions. [2025-02-06 14:16:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 14:16:33,931 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:33,931 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:33,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:34,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,136 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:34,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:34,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1902221050, now seen corresponding path program 1 times [2025-02-06 14:16:34,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:34,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028934249] [2025-02-06 14:16:34,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:34,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:16:34,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:16:34,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:34,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:34,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028934249] [2025-02-06 14:16:34,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028934249] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:34,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855829371] [2025-02-06 14:16:34,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:34,224 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 14:16:34,228 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 14:16:34,249 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:16:34,263 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:16:34,263 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,263 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:34,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:34,347 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:34,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:34,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855829371] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:34,456 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:34,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-06 14:16:34,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401286467] [2025-02-06 14:16:34,457 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:34,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:16:34,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:34,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:16:34,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:34,458 INFO L87 Difference]: Start difference. First operand 1169 states and 1310 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 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 14:16:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:34,619 INFO L93 Difference]: Finished difference Result 2418 states and 2792 transitions. [2025-02-06 14:16:34,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:16:34,620 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 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 108 [2025-02-06 14:16:34,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:34,626 INFO L225 Difference]: With dead ends: 2418 [2025-02-06 14:16:34,627 INFO L226 Difference]: Without dead ends: 2417 [2025-02-06 14:16:34,627 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:34,628 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:34,628 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 123 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:34,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2025-02-06 14:16:34,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 2417. [2025-02-06 14:16:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2260 states have (on average 1.0663716814159292) internal successors, (2410), 2262 states have internal predecessors, (2410), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2025-02-06 14:16:34,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 2714 transitions. [2025-02-06 14:16:34,729 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 2714 transitions. Word has length 108 [2025-02-06 14:16:34,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:34,729 INFO L471 AbstractCegarLoop]: Abstraction has 2417 states and 2714 transitions. [2025-02-06 14:16:34,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 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 14:16:34,730 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2714 transitions. [2025-02-06 14:16:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-06 14:16:34,733 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:34,733 INFO L218 NwaCegarLoop]: trace histogram [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 14:16:34,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:16:34,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,934 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:34,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:34,935 INFO L85 PathProgramCache]: Analyzing trace with hash 1663305298, now seen corresponding path program 2 times [2025-02-06 14:16:34,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:34,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661883594] [2025-02-06 14:16:34,935 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:34,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:34,941 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-02-06 14:16:34,948 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 14:16:34,949 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:34,950 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:35,054 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 47 proven. 104 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:35,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661883594] [2025-02-06 14:16:35,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661883594] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978950628] [2025-02-06 14:16:35,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:35,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:35,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:35,056 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 14:16:35,059 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 14:16:35,077 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-02-06 14:16:35,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 14:16:35,095 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:35,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:35,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:16:35,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:35,228 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:35,346 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:35,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978950628] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:35,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:35,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-06 14:16:35,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017528887] [2025-02-06 14:16:35,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:35,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:16:35,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:35,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:16:35,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:16:35,349 INFO L87 Difference]: Start difference. First operand 2417 states and 2714 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 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 14:16:35,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:35,646 INFO L93 Difference]: Finished difference Result 5419 states and 6082 transitions. [2025-02-06 14:16:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:16:35,647 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 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 116 [2025-02-06 14:16:35,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:35,658 INFO L225 Difference]: With dead ends: 5419 [2025-02-06 14:16:35,658 INFO L226 Difference]: Without dead ends: 4003 [2025-02-06 14:16:35,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 223 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:16:35,662 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 29 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:35,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 279 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2025-02-06 14:16:35,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 2714. [2025-02-06 14:16:35,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2539 states have (on average 1.0614415124064593) internal successors, (2695), 2541 states have internal predecessors, (2695), 170 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2025-02-06 14:16:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3035 transitions. [2025-02-06 14:16:35,754 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3035 transitions. Word has length 116 [2025-02-06 14:16:35,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:35,754 INFO L471 AbstractCegarLoop]: Abstraction has 2714 states and 3035 transitions. [2025-02-06 14:16:35,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 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 14:16:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3035 transitions. [2025-02-06 14:16:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 14:16:35,756 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:35,756 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:35,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:16:35,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:35,956 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:35,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1452934561, now seen corresponding path program 3 times [2025-02-06 14:16:35,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:35,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627038388] [2025-02-06 14:16:35,957 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:35,963 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:35,981 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:35,981 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-06 14:16:35,981 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:35,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1178784707] [2025-02-06 14:16:35,982 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:35,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:35,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:35,985 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 14:16:35,987 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 14:16:36,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:36,036 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 56 of 136 statements. [2025-02-06 14:16:36,037 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 14:16:36,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:36,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:16:36,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-02-06 14:16:36,077 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:36,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627038388] [2025-02-06 14:16:36,226 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:36,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178784707] [2025-02-06 14:16:36,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178784707] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:36,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:36,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:16:36,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586207347] [2025-02-06 14:16:36,226 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:36,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:36,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:36,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:36,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:36,227 INFO L87 Difference]: Start difference. First operand 2714 states and 3035 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:16:36,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:36,322 INFO L93 Difference]: Finished difference Result 3540 states and 3956 transitions. [2025-02-06 14:16:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:36,323 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 136 [2025-02-06 14:16:36,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:36,327 INFO L225 Difference]: With dead ends: 3540 [2025-02-06 14:16:36,328 INFO L226 Difference]: Without dead ends: 2128 [2025-02-06 14:16:36,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:36,330 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:36,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 98 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2025-02-06 14:16:36,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2127. [2025-02-06 14:16:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 1988 states have (on average 1.0583501006036218) internal successors, (2104), 1990 states have internal predecessors, (2104), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-02-06 14:16:36,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2372 transitions. [2025-02-06 14:16:36,407 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2372 transitions. Word has length 136 [2025-02-06 14:16:36,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:36,407 INFO L471 AbstractCegarLoop]: Abstraction has 2127 states and 2372 transitions. [2025-02-06 14:16:36,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:16:36,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2372 transitions. [2025-02-06 14:16:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 14:16:36,408 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:36,408 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:36,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 14:16:36,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:36,614 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:36,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:36,615 INFO L85 PathProgramCache]: Analyzing trace with hash -391187266, now seen corresponding path program 3 times [2025-02-06 14:16:36,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:36,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520183871] [2025-02-06 14:16:36,615 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:36,620 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:36,640 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:36,640 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-06 14:16:36,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:36,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658500742] [2025-02-06 14:16:36,641 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:36,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:36,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:36,643 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 14:16:36,646 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 14:16:36,668 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:36,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 116 of 136 statements. [2025-02-06 14:16:36,689 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 14:16:36,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:36,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:16:36,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:36,836 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:37,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:37,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520183871] [2025-02-06 14:16:37,034 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:37,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658500742] [2025-02-06 14:16:37,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658500742] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:37,034 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:37,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 14:16:37,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962161568] [2025-02-06 14:16:37,035 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:37,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:16:37,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:37,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:16:37,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:16:37,036 INFO L87 Difference]: Start difference. First operand 2127 states and 2372 transitions. Second operand has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:16:37,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:37,776 INFO L93 Difference]: Finished difference Result 2668 states and 2970 transitions. [2025-02-06 14:16:37,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-06 14:16:37,777 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 136 [2025-02-06 14:16:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:37,783 INFO L225 Difference]: With dead ends: 2668 [2025-02-06 14:16:37,784 INFO L226 Difference]: Without dead ends: 2667 [2025-02-06 14:16:37,785 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=372, Invalid=1188, Unknown=0, NotChecked=0, Total=1560 [2025-02-06 14:16:37,785 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 276 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:37,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 349 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:37,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2025-02-06 14:16:37,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2459. [2025-02-06 14:16:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2459 states, 2300 states have (on average 1.0560869565217392) internal successors, (2429), 2302 states have internal predecessors, (2429), 154 states have call successors, (154), 2 states have call predecessors, (154), 2 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2025-02-06 14:16:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2459 states and 2737 transitions. [2025-02-06 14:16:37,863 INFO L78 Accepts]: Start accepts. Automaton has 2459 states and 2737 transitions. Word has length 136 [2025-02-06 14:16:37,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:37,864 INFO L471 AbstractCegarLoop]: Abstraction has 2459 states and 2737 transitions. [2025-02-06 14:16:37,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:16:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2737 transitions. [2025-02-06 14:16:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 14:16:37,865 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:37,865 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:37,874 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 14:16:38,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:38,066 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:38,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:38,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1551019805, now seen corresponding path program 4 times [2025-02-06 14:16:38,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:38,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952505108] [2025-02-06 14:16:38,067 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:16:38,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:38,072 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 136 statements into 2 equivalence classes. [2025-02-06 14:16:38,084 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:38,084 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:16:38,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:38,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802269032] [2025-02-06 14:16:38,087 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:16:38,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:38,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:38,088 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 14:16:38,094 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 14:16:38,125 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 136 statements into 2 equivalence classes. [2025-02-06 14:16:38,147 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:38,147 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:16:38,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:38,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 14:16:38,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 9 proven. 218 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-02-06 14:16:38,473 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:38,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:38,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952505108] [2025-02-06 14:16:38,619 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:38,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802269032] [2025-02-06 14:16:38,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802269032] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:38,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:38,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-06 14:16:38,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015162657] [2025-02-06 14:16:38,619 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:38,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:16:38,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:38,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:16:38,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:38,620 INFO L87 Difference]: Start difference. First operand 2459 states and 2737 transitions. Second operand has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:39,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:39,046 INFO L93 Difference]: Finished difference Result 2816 states and 3132 transitions. [2025-02-06 14:16:39,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:16:39,046 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 136 [2025-02-06 14:16:39,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:39,052 INFO L225 Difference]: With dead ends: 2816 [2025-02-06 14:16:39,052 INFO L226 Difference]: Without dead ends: 2815 [2025-02-06 14:16:39,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:16:39,053 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 25 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:39,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 360 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:39,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2025-02-06 14:16:39,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2491. [2025-02-06 14:16:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2330 states have (on average 1.0553648068669528) internal successors, (2459), 2332 states have internal predecessors, (2459), 156 states have call successors, (156), 2 states have call predecessors, (156), 2 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2025-02-06 14:16:39,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 2771 transitions. [2025-02-06 14:16:39,128 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 2771 transitions. Word has length 136 [2025-02-06 14:16:39,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:39,128 INFO L471 AbstractCegarLoop]: Abstraction has 2491 states and 2771 transitions. [2025-02-06 14:16:39,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2771 transitions. [2025-02-06 14:16:39,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-06 14:16:39,130 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:39,130 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:39,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:39,334 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,SelfDestructingSolverStorable23 [2025-02-06 14:16:39,335 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:39,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:39,336 INFO L85 PathProgramCache]: Analyzing trace with hash -685105432, now seen corresponding path program 5 times [2025-02-06 14:16:39,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:39,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204992236] [2025-02-06 14:16:39,336 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:16:39,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:39,341 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 156 statements into 8 equivalence classes. [2025-02-06 14:16:39,354 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 14:16:39,355 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-06 14:16:39,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 123 proven. 194 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:39,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:39,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204992236] [2025-02-06 14:16:39,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204992236] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:39,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473977291] [2025-02-06 14:16:39,452 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:16:39,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:39,454 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:39,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:16:39,476 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 156 statements into 8 equivalence classes. [2025-02-06 14:16:39,499 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 14:16:39,500 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-06 14:16:39,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:39,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:16:39,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:39,669 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:39,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:39,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473977291] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:39,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:39,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2025-02-06 14:16:39,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959585910] [2025-02-06 14:16:39,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:39,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:16:39,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:39,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:16:39,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:16:39,810 INFO L87 Difference]: Start difference. First operand 2491 states and 2771 transitions. Second operand has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 states have internal predecessors, (177), 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 14:16:40,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:40,283 INFO L93 Difference]: Finished difference Result 5150 states and 5738 transitions. [2025-02-06 14:16:40,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:16:40,286 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 states have internal predecessors, (177), 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 156 [2025-02-06 14:16:40,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:40,295 INFO L225 Difference]: With dead ends: 5150 [2025-02-06 14:16:40,295 INFO L226 Difference]: Without dead ends: 3902 [2025-02-06 14:16:40,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 301 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:40,298 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:40,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 552 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:16:40,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2025-02-06 14:16:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 2884. [2025-02-06 14:16:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2884 states, 2699 states have (on average 1.0496480177843646) internal successors, (2833), 2701 states have internal predecessors, (2833), 180 states have call successors, (180), 2 states have call predecessors, (180), 2 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2025-02-06 14:16:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 3193 transitions. [2025-02-06 14:16:40,413 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 3193 transitions. Word has length 156 [2025-02-06 14:16:40,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:40,413 INFO L471 AbstractCegarLoop]: Abstraction has 2884 states and 3193 transitions. [2025-02-06 14:16:40,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 states have internal predecessors, (177), 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 14:16:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3193 transitions. [2025-02-06 14:16:40,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-06 14:16:40,416 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:40,416 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:40,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:40,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 14:16:40,617 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:40,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:40,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1243390131, now seen corresponding path program 6 times [2025-02-06 14:16:40,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:40,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566833531] [2025-02-06 14:16:40,618 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:16:40,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:40,623 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 176 statements into 9 equivalence classes. [2025-02-06 14:16:40,650 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 176 of 176 statements. [2025-02-06 14:16:40,651 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-06 14:16:40,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:40,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [890730042] [2025-02-06 14:16:40,651 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:16:40,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:40,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:40,656 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:40,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:16:40,679 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 176 statements into 9 equivalence classes. [2025-02-06 14:16:40,718 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 156 of 176 statements. [2025-02-06 14:16:40,718 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-02-06 14:16:40,719 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:40,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:16:40,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:41,015 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 340 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-02-06 14:16:41,015 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:41,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:41,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566833531] [2025-02-06 14:16:41,137 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:41,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890730042] [2025-02-06 14:16:41,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890730042] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:41,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:41,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:16:41,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469903605] [2025-02-06 14:16:41,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:41,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:41,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:41,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:41,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:41,139 INFO L87 Difference]: Start difference. First operand 2884 states and 3193 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:41,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:41,385 INFO L93 Difference]: Finished difference Result 3241 states and 3586 transitions. [2025-02-06 14:16:41,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:16:41,385 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 176 [2025-02-06 14:16:41,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:41,392 INFO L225 Difference]: With dead ends: 3241 [2025-02-06 14:16:41,392 INFO L226 Difference]: Without dead ends: 3240 [2025-02-06 14:16:41,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:41,393 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:41,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 284 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:41,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2025-02-06 14:16:41,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2932. [2025-02-06 14:16:41,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2744 states have (on average 1.0488338192419826) internal successors, (2878), 2746 states have internal predecessors, (2878), 183 states have call successors, (183), 2 states have call predecessors, (183), 2 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-06 14:16:41,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3244 transitions. [2025-02-06 14:16:41,536 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3244 transitions. Word has length 176 [2025-02-06 14:16:41,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:41,537 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 3244 transitions. [2025-02-06 14:16:41,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:41,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3244 transitions. [2025-02-06 14:16:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-02-06 14:16:41,541 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:41,541 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:41,547 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 14:16:41,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 14:16:41,743 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:41,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:41,743 INFO L85 PathProgramCache]: Analyzing trace with hash 1674513934, now seen corresponding path program 2 times [2025-02-06 14:16:41,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:41,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210446432] [2025-02-06 14:16:41,743 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:41,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:41,751 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 191 statements into 2 equivalence classes. [2025-02-06 14:16:41,766 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 191 of 191 statements. [2025-02-06 14:16:41,766 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:41,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:41,906 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:41,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:41,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210446432] [2025-02-06 14:16:41,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210446432] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:41,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699105266] [2025-02-06 14:16:41,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:41,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:41,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:41,908 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:41,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:16:41,933 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 191 statements into 2 equivalence classes. [2025-02-06 14:16:41,956 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 191 of 191 statements. [2025-02-06 14:16:41,957 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:41,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:41,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:16:41,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:42,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:42,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699105266] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:42,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:42,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-02-06 14:16:42,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030784369] [2025-02-06 14:16:42,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:42,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 14:16:42,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:42,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 14:16:42,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:16:42,306 INFO L87 Difference]: Start difference. First operand 2932 states and 3244 transitions. Second operand has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:16:42,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:42,608 INFO L93 Difference]: Finished difference Result 5661 states and 6294 transitions. [2025-02-06 14:16:42,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 14:16:42,612 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 191 [2025-02-06 14:16:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:42,627 INFO L225 Difference]: With dead ends: 5661 [2025-02-06 14:16:42,627 INFO L226 Difference]: Without dead ends: 5660 [2025-02-06 14:16:42,628 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:16:42,630 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 188 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:42,630 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 385 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2025-02-06 14:16:42,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 5642. [2025-02-06 14:16:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5642 states, 5284 states have (on average 1.0499621498864498) internal successors, (5548), 5286 states have internal predecessors, (5548), 353 states have call successors, (353), 2 states have call predecessors, (353), 2 states have return successors, (353), 353 states have call predecessors, (353), 353 states have call successors, (353) [2025-02-06 14:16:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 6254 transitions. [2025-02-06 14:16:42,800 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 6254 transitions. Word has length 191 [2025-02-06 14:16:42,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:42,801 INFO L471 AbstractCegarLoop]: Abstraction has 5642 states and 6254 transitions. [2025-02-06 14:16:42,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:16:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 6254 transitions. [2025-02-06 14:16:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-02-06 14:16:42,804 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:42,804 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:42,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:43,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 14:16:43,008 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:43,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:43,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1125280415, now seen corresponding path program 7 times [2025-02-06 14:16:43,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:43,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757349687] [2025-02-06 14:16:43,010 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:16:43,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:43,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-06 14:16:43,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:43,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:43,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:43,148 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 14:16:43,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:43,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757349687] [2025-02-06 14:16:43,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757349687] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763605862] [2025-02-06 14:16:43,149 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:16:43,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:43,151 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:43,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 14:16:43,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-06 14:16:43,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:43,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:43,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:43,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:16:43,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 317 proven. 200 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 14:16:43,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 14:16:43,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763605862] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:43,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:43,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-02-06 14:16:43,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623969280] [2025-02-06 14:16:43,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:43,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:16:43,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:43,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:16:43,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:16:43,683 INFO L87 Difference]: Start difference. First operand 5642 states and 6254 transitions. Second operand has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-06 14:16:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:44,382 INFO L93 Difference]: Finished difference Result 14856 states and 16530 transitions. [2025-02-06 14:16:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 14:16:44,382 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 196 [2025-02-06 14:16:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:44,399 INFO L225 Difference]: With dead ends: 14856 [2025-02-06 14:16:44,399 INFO L226 Difference]: Without dead ends: 10810 [2025-02-06 14:16:44,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:16:44,405 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 30 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:44,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 330 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:44,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10810 states. [2025-02-06 14:16:44,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10810 to 6377. [2025-02-06 14:16:44,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 5972 states have (on average 1.0458807769591427) internal successors, (6246), 5974 states have internal predecessors, (6246), 400 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2025-02-06 14:16:44,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 7046 transitions. [2025-02-06 14:16:44,641 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 7046 transitions. Word has length 196 [2025-02-06 14:16:44,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:44,641 INFO L471 AbstractCegarLoop]: Abstraction has 6377 states and 7046 transitions. [2025-02-06 14:16:44,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-06 14:16:44,642 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 7046 transitions. [2025-02-06 14:16:44,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-02-06 14:16:44,643 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:44,643 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:44,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:44,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 14:16:44,844 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:44,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:44,844 INFO L85 PathProgramCache]: Analyzing trace with hash 2004560254, now seen corresponding path program 8 times [2025-02-06 14:16:44,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:44,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252478581] [2025-02-06 14:16:44,845 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:44,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:44,850 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 196 statements into 2 equivalence classes. [2025-02-06 14:16:44,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:44,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:44,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 135 proven. 412 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:45,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252478581] [2025-02-06 14:16:45,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252478581] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:45,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2088258287] [2025-02-06 14:16:45,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:45,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:45,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:45,003 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:45,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:16:45,047 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 196 statements into 2 equivalence classes. [2025-02-06 14:16:45,071 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:45,071 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:45,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:45,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:45,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:45,282 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:45,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:45,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2088258287] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:45,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:45,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2025-02-06 14:16:45,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764718889] [2025-02-06 14:16:45,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:45,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 14:16:45,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:45,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 14:16:45,472 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:16:45,472 INFO L87 Difference]: Start difference. First operand 6377 states and 7046 transitions. Second operand has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-06 14:16:45,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:45,900 INFO L93 Difference]: Finished difference Result 7580 states and 8352 transitions. [2025-02-06 14:16:45,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:16:45,900 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 196 [2025-02-06 14:16:45,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:45,910 INFO L225 Difference]: With dead ends: 7580 [2025-02-06 14:16:45,910 INFO L226 Difference]: Without dead ends: 6372 [2025-02-06 14:16:45,912 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 377 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:16:45,912 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 28 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:45,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 424 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:45,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2025-02-06 14:16:46,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6370. [2025-02-06 14:16:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6370 states, 5965 states have (on average 1.0427493713327745) internal successors, (6220), 5967 states have internal predecessors, (6220), 400 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2025-02-06 14:16:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6370 states to 6370 states and 7020 transitions. [2025-02-06 14:16:46,096 INFO L78 Accepts]: Start accepts. Automaton has 6370 states and 7020 transitions. Word has length 196 [2025-02-06 14:16:46,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:46,096 INFO L471 AbstractCegarLoop]: Abstraction has 6370 states and 7020 transitions. [2025-02-06 14:16:46,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-06 14:16:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 6370 states and 7020 transitions. [2025-02-06 14:16:46,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-02-06 14:16:46,099 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:46,099 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:46,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 14:16:46,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:16:46,299 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:46,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:46,300 INFO L85 PathProgramCache]: Analyzing trace with hash -215710647, now seen corresponding path program 9 times [2025-02-06 14:16:46,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:46,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747890733] [2025-02-06 14:16:46,300 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:46,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:46,313 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 216 statements into 11 equivalence classes. [2025-02-06 14:16:46,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 216 of 216 statements. [2025-02-06 14:16:46,331 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 14:16:46,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:46,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1685629961] [2025-02-06 14:16:46,332 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:46,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:46,335 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:46,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:16:46,374 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 216 statements into 11 equivalence classes. [2025-02-06 14:16:46,417 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 136 of 216 statements. [2025-02-06 14:16:46,417 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-06 14:16:46,417 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:46,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:16:46,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:46,698 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-02-06 14:16:46,699 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:50,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:50,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747890733] [2025-02-06 14:16:50,701 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:50,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685629961] [2025-02-06 14:16:50,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685629961] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:50,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:50,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 14:16:50,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670145782] [2025-02-06 14:16:50,701 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:50,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:16:50,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:50,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:16:50,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:16:50,703 INFO L87 Difference]: Start difference. First operand 6370 states and 7020 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:16:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:51,095 INFO L93 Difference]: Finished difference Result 6743 states and 7422 transitions. [2025-02-06 14:16:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:51,095 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 216 [2025-02-06 14:16:51,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:51,109 INFO L225 Difference]: With dead ends: 6743 [2025-02-06 14:16:51,109 INFO L226 Difference]: Without dead ends: 6742 [2025-02-06 14:16:51,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:16:51,111 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 19 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:51,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 238 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:51,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2025-02-06 14:16:51,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6377. [2025-02-06 14:16:51,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 5972 states have (on average 1.0426992632283991) internal successors, (6227), 5974 states have internal predecessors, (6227), 400 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2025-02-06 14:16:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 7027 transitions. [2025-02-06 14:16:51,337 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 7027 transitions. Word has length 216 [2025-02-06 14:16:51,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:51,338 INFO L471 AbstractCegarLoop]: Abstraction has 6377 states and 7027 transitions. [2025-02-06 14:16:51,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:16:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 7027 transitions. [2025-02-06 14:16:51,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2025-02-06 14:16:51,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:51,341 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:51,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 14:16:51,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:51,545 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:51,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:51,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1090349116, now seen corresponding path program 2 times [2025-02-06 14:16:51,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:51,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533789504] [2025-02-06 14:16:51,546 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:51,552 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 228 statements into 2 equivalence classes. [2025-02-06 14:16:51,557 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 14:16:51,558 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:51,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:51,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:16:51,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:51,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533789504] [2025-02-06 14:16:51,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533789504] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:51,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874357028] [2025-02-06 14:16:51,718 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:51,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:51,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:51,721 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:51,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 14:16:51,746 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 228 statements into 2 equivalence classes. [2025-02-06 14:16:51,773 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 14:16:51,773 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:51,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:51,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:16:51,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:16:51,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:16:52,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874357028] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:52,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:52,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2025-02-06 14:16:52,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844089741] [2025-02-06 14:16:52,250 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:52,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 14:16:52,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:52,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 14:16:52,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:16:52,251 INFO L87 Difference]: Start difference. First operand 6377 states and 7027 transitions. Second operand has 25 states, 24 states have (on average 14.333333333333334) internal successors, (344), 25 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:16:52,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:52,760 INFO L93 Difference]: Finished difference Result 10218 states and 11575 transitions. [2025-02-06 14:16:52,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 14:16:52,761 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 14.333333333333334) internal successors, (344), 25 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 228 [2025-02-06 14:16:52,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:52,775 INFO L225 Difference]: With dead ends: 10218 [2025-02-06 14:16:52,775 INFO L226 Difference]: Without dead ends: 10217 [2025-02-06 14:16:52,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:16:52,777 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:52,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 195 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:52,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10217 states. [2025-02-06 14:16:53,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10217 to 10217. [2025-02-06 14:16:53,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10217 states, 9572 states have (on average 1.0504596740493104) internal successors, (10055), 9574 states have internal predecessors, (10055), 640 states have call successors, (640), 2 states have call predecessors, (640), 2 states have return successors, (640), 640 states have call predecessors, (640), 640 states have call successors, (640) [2025-02-06 14:16:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10217 states to 10217 states and 11335 transitions. [2025-02-06 14:16:53,142 INFO L78 Accepts]: Start accepts. Automaton has 10217 states and 11335 transitions. Word has length 228 [2025-02-06 14:16:53,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:53,143 INFO L471 AbstractCegarLoop]: Abstraction has 10217 states and 11335 transitions. [2025-02-06 14:16:53,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 14.333333333333334) internal successors, (344), 25 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:16:53,143 INFO L276 IsEmpty]: Start isEmpty. Operand 10217 states and 11335 transitions. [2025-02-06 14:16:53,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-02-06 14:16:53,145 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:53,145 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:53,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:53,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:53,346 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:53,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:53,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1008235628, now seen corresponding path program 10 times [2025-02-06 14:16:53,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:53,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290387563] [2025-02-06 14:16:53,347 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:16:53,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:53,353 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 236 statements into 2 equivalence classes. [2025-02-06 14:16:53,366 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 14:16:53,366 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:16:53,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:53,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 189 proven. 652 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:16:53,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290387563] [2025-02-06 14:16:53,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290387563] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:53,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946441265] [2025-02-06 14:16:53,641 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:16:53,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:53,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:53,644 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:53,648 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 14:16:53,669 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 236 statements into 2 equivalence classes. [2025-02-06 14:16:53,699 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 14:16:53,699 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:16:53,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:53,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:16:53,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:16:54,013 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:16:54,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946441265] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:54,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:54,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2025-02-06 14:16:54,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507475708] [2025-02-06 14:16:54,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:54,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:16:54,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:54,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:16:54,267 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:16:54,268 INFO L87 Difference]: Start difference. First operand 10217 states and 11335 transitions. Second operand has 22 states, 22 states have (on average 13.363636363636363) internal successors, (294), 22 states have internal predecessors, (294), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:16:55,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:55,319 INFO L93 Difference]: Finished difference Result 23068 states and 25685 transitions. [2025-02-06 14:16:55,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-06 14:16:55,319 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 13.363636363636363) internal successors, (294), 22 states have internal predecessors, (294), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 236 [2025-02-06 14:16:55,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:55,352 INFO L225 Difference]: With dead ends: 23068 [2025-02-06 14:16:55,352 INFO L226 Difference]: Without dead ends: 16820 [2025-02-06 14:16:55,365 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 453 SyntacticMatches, 11 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=1028, Unknown=0, NotChecked=0, Total=1332 [2025-02-06 14:16:55,365 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 25 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:55,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 404 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:55,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16820 states. [2025-02-06 14:16:55,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16820 to 11652. [2025-02-06 14:16:55,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11652 states, 10917 states have (on average 1.047448932857012) internal successors, (11435), 10919 states have internal predecessors, (11435), 730 states have call successors, (730), 2 states have call predecessors, (730), 2 states have return successors, (730), 730 states have call predecessors, (730), 730 states have call successors, (730) [2025-02-06 14:16:55,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11652 states to 11652 states and 12895 transitions. [2025-02-06 14:16:55,822 INFO L78 Accepts]: Start accepts. Automaton has 11652 states and 12895 transitions. Word has length 236 [2025-02-06 14:16:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:55,823 INFO L471 AbstractCegarLoop]: Abstraction has 11652 states and 12895 transitions. [2025-02-06 14:16:55,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.363636363636363) internal successors, (294), 22 states have internal predecessors, (294), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:16:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand 11652 states and 12895 transitions. [2025-02-06 14:16:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 14:16:55,825 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:55,825 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:55,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2025-02-06 14:16:56,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:56,029 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:56,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:56,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1004698079, now seen corresponding path program 11 times [2025-02-06 14:16:56,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:56,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541107057] [2025-02-06 14:16:56,030 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:16:56,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:56,036 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:16:56,058 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 14:16:56,059 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-06 14:16:56,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:56,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1676825820] [2025-02-06 14:16:56,059 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:16:56,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:56,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:56,061 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:56,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 14:16:56,089 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:16:56,136 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 14:16:56,136 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-06 14:16:56,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:56,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-02-06 14:16:56,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 45 proven. 976 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-02-06 14:16:58,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:58,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:58,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541107057] [2025-02-06 14:16:58,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:58,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676825820] [2025-02-06 14:16:58,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676825820] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:58,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:58,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2025-02-06 14:16:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596158340] [2025-02-06 14:16:58,222 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:58,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-06 14:16:58,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:58,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-06 14:16:58,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2025-02-06 14:16:58,223 INFO L87 Difference]: Start difference. First operand 11652 states and 12895 transitions. Second operand has 30 states, 29 states have (on average 6.103448275862069) internal successors, (177), 30 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:17:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:00,241 INFO L93 Difference]: Finished difference Result 13698 states and 15101 transitions. [2025-02-06 14:17:00,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-06 14:17:00,242 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.103448275862069) internal successors, (177), 30 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 256 [2025-02-06 14:17:00,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:00,261 INFO L225 Difference]: With dead ends: 13698 [2025-02-06 14:17:00,261 INFO L226 Difference]: Without dead ends: 12346 [2025-02-06 14:17:00,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=217, Invalid=1589, Unknown=0, NotChecked=0, Total=1806 [2025-02-06 14:17:00,267 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 43 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 2728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:00,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 669 Invalid, 2728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 14:17:00,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12346 states. [2025-02-06 14:17:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12346 to 11675. [2025-02-06 14:17:00,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11675 states, 10939 states have (on average 1.0472620897705458) internal successors, (11456), 10941 states have internal predecessors, (11456), 731 states have call successors, (731), 2 states have call predecessors, (731), 2 states have return successors, (731), 731 states have call predecessors, (731), 731 states have call successors, (731) [2025-02-06 14:17:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11675 states to 11675 states and 12918 transitions. [2025-02-06 14:17:00,691 INFO L78 Accepts]: Start accepts. Automaton has 11675 states and 12918 transitions. Word has length 256 [2025-02-06 14:17:00,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:00,691 INFO L471 AbstractCegarLoop]: Abstraction has 11675 states and 12918 transitions. [2025-02-06 14:17:00,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.103448275862069) internal successors, (177), 30 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:17:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 11675 states and 12918 transitions. [2025-02-06 14:17:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 14:17:00,694 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:00,694 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:00,701 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2025-02-06 14:17:00,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-06 14:17:00,899 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:00,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:00,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1194305057, now seen corresponding path program 12 times [2025-02-06 14:17:00,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:00,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248189032] [2025-02-06 14:17:00,899 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:00,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:00,908 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:17:00,923 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 14:17:00,923 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2025-02-06 14:17:00,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:00,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581766300] [2025-02-06 14:17:00,924 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:00,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:00,927 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:00,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 14:17:00,954 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:17:01,034 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 236 of 256 statements. [2025-02-06 14:17:01,035 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-02-06 14:17:01,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:01,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:17:01,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2025-02-06 14:17:01,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:01,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248189032] [2025-02-06 14:17:01,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:01,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581766300] [2025-02-06 14:17:01,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581766300] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:01,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:01,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-06 14:17:01,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283832597] [2025-02-06 14:17:01,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:01,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:17:01,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:01,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:17:01,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:17:01,897 INFO L87 Difference]: Start difference. First operand 11675 states and 12918 transitions. Second operand has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-06 14:17:03,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:03,079 INFO L93 Difference]: Finished difference Result 12783 states and 14133 transitions. [2025-02-06 14:17:03,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:17:03,080 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 256 [2025-02-06 14:17:03,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:03,101 INFO L225 Difference]: With dead ends: 12783 [2025-02-06 14:17:03,101 INFO L226 Difference]: Without dead ends: 12782 [2025-02-06 14:17:03,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:17:03,106 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 19 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:03,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 683 Invalid, 1302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:17:03,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12782 states. [2025-02-06 14:17:03,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12782 to 12049. [2025-02-06 14:17:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12049 states, 11290 states have (on average 1.0474756421612046) internal successors, (11826), 11292 states have internal predecessors, (11826), 754 states have call successors, (754), 2 states have call predecessors, (754), 2 states have return successors, (754), 754 states have call predecessors, (754), 754 states have call successors, (754) [2025-02-06 14:17:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12049 states to 12049 states and 13334 transitions. [2025-02-06 14:17:03,635 INFO L78 Accepts]: Start accepts. Automaton has 12049 states and 13334 transitions. Word has length 256 [2025-02-06 14:17:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:03,636 INFO L471 AbstractCegarLoop]: Abstraction has 12049 states and 13334 transitions. [2025-02-06 14:17:03,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-06 14:17:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 12049 states and 13334 transitions. [2025-02-06 14:17:03,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-02-06 14:17:03,638 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:03,638 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:03,644 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-06 14:17:03,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-06 14:17:03,839 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:03,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:03,839 INFO L85 PathProgramCache]: Analyzing trace with hash -266988374, now seen corresponding path program 13 times [2025-02-06 14:17:03,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:03,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104447187] [2025-02-06 14:17:03,840 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:03,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:03,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-02-06 14:17:03,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-02-06 14:17:03,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:03,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 287 proven. 912 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-06 14:17:04,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104447187] [2025-02-06 14:17:04,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104447187] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:04,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79212590] [2025-02-06 14:17:04,078 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:04,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:04,079 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:04,080 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:04,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 14:17:04,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-02-06 14:17:04,138 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-02-06 14:17:04,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:04,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:04,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:17:04,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:04,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-06 14:17:04,482 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-06 14:17:04,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79212590] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:17:04,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:17:04,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 24 [2025-02-06 14:17:04,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015381350] [2025-02-06 14:17:04,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:04,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 14:17:04,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:04,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 14:17:04,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:17:04,774 INFO L87 Difference]: Start difference. First operand 12049 states and 13334 transitions. Second operand has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2025-02-06 14:17:05,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:05,804 INFO L93 Difference]: Finished difference Result 26189 states and 29069 transitions. [2025-02-06 14:17:05,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:17:05,805 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) Word has length 276 [2025-02-06 14:17:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:05,828 INFO L225 Difference]: With dead ends: 26189 [2025-02-06 14:17:05,828 INFO L226 Difference]: Without dead ends: 18292 [2025-02-06 14:17:05,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 531 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2025-02-06 14:17:05,835 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 26 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:05,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 745 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:17:05,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18292 states. [2025-02-06 14:17:06,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18292 to 13683. [2025-02-06 14:17:06,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13683 states, 12822 states have (on average 1.042973015130245) internal successors, (13373), 12824 states have internal predecessors, (13373), 856 states have call successors, (856), 2 states have call predecessors, (856), 2 states have return successors, (856), 856 states have call predecessors, (856), 856 states have call successors, (856) [2025-02-06 14:17:06,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13683 states to 13683 states and 15085 transitions. [2025-02-06 14:17:06,283 INFO L78 Accepts]: Start accepts. Automaton has 13683 states and 15085 transitions. Word has length 276 [2025-02-06 14:17:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:06,284 INFO L471 AbstractCegarLoop]: Abstraction has 13683 states and 15085 transitions. [2025-02-06 14:17:06,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2025-02-06 14:17:06,284 INFO L276 IsEmpty]: Start isEmpty. Operand 13683 states and 15085 transitions. [2025-02-06 14:17:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2025-02-06 14:17:06,286 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:06,287 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:06,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2025-02-06 14:17:06,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 14:17:06,487 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:06,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:06,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1369038475, now seen corresponding path program 14 times [2025-02-06 14:17:06,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:06,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051549857] [2025-02-06 14:17:06,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:06,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:06,494 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 296 statements into 2 equivalence classes. [2025-02-06 14:17:06,508 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 296 of 296 statements. [2025-02-06 14:17:06,509 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:06,510 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:06,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [412956684] [2025-02-06 14:17:06,511 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:06,514 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:06,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 14:17:06,542 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 296 statements into 2 equivalence classes. [2025-02-06 14:17:06,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 296 of 296 statements. [2025-02-06 14:17:06,579 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:06,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:06,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:17:06,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1090 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2025-02-06 14:17:07,074 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:07,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:07,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051549857] [2025-02-06 14:17:07,571 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:07,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412956684] [2025-02-06 14:17:07,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412956684] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:07,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:07,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:17:07,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398693106] [2025-02-06 14:17:07,571 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:07,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:17:07,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:07,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:17:07,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:17:07,572 INFO L87 Difference]: Start difference. First operand 13683 states and 15085 transitions. Second operand has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:17:08,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:08,214 INFO L93 Difference]: Finished difference Result 15092 states and 16616 transitions. [2025-02-06 14:17:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:17:08,214 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 296 [2025-02-06 14:17:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:08,233 INFO L225 Difference]: With dead ends: 15092 [2025-02-06 14:17:08,233 INFO L226 Difference]: Without dead ends: 15091 [2025-02-06 14:17:08,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:17:08,237 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 19 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:08,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 199 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15091 states. [2025-02-06 14:17:08,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15091 to 13779. [2025-02-06 14:17:08,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13779 states, 12912 states have (on average 1.042673482032218) internal successors, (13463), 12914 states have internal predecessors, (13463), 862 states have call successors, (862), 2 states have call predecessors, (862), 2 states have return successors, (862), 862 states have call predecessors, (862), 862 states have call successors, (862) [2025-02-06 14:17:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13779 states to 13779 states and 15187 transitions. [2025-02-06 14:17:08,788 INFO L78 Accepts]: Start accepts. Automaton has 13779 states and 15187 transitions. Word has length 296 [2025-02-06 14:17:08,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:08,789 INFO L471 AbstractCegarLoop]: Abstraction has 13779 states and 15187 transitions. [2025-02-06 14:17:08,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:17:08,789 INFO L276 IsEmpty]: Start isEmpty. Operand 13779 states and 15187 transitions. [2025-02-06 14:17:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-02-06 14:17:08,793 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:08,793 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:08,800 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:08,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:08,998 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:08,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:08,999 INFO L85 PathProgramCache]: Analyzing trace with hash 602706723, now seen corresponding path program 15 times [2025-02-06 14:17:08,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:08,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826962315] [2025-02-06 14:17:08,999 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:17:08,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:09,008 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:09,039 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:09,039 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-02-06 14:17:09,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:09,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034145719] [2025-02-06 14:17:09,040 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:17:09,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:09,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:09,042 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:09,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 14:17:09,073 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:09,092 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 96 of 316 statements. [2025-02-06 14:17:09,092 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 14:17:09,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:09,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-06 14:17:09,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:09,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 663 proven. 71 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2025-02-06 14:17:09,954 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:10,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:10,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826962315] [2025-02-06 14:17:10,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:10,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034145719] [2025-02-06 14:17:10,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034145719] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:10,163 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:10,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-02-06 14:17:10,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185723671] [2025-02-06 14:17:10,164 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:10,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 14:17:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:10,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 14:17:10,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:17:10,164 INFO L87 Difference]: Start difference. First operand 13779 states and 15187 transitions. Second operand has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 19 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 14:17:11,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:11,645 INFO L93 Difference]: Finished difference Result 15197 states and 16724 transitions. [2025-02-06 14:17:11,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-06 14:17:11,646 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 19 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) Word has length 316 [2025-02-06 14:17:11,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:11,661 INFO L225 Difference]: With dead ends: 15197 [2025-02-06 14:17:11,661 INFO L226 Difference]: Without dead ends: 12892 [2025-02-06 14:17:11,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=207, Invalid=1199, Unknown=0, NotChecked=0, Total=1406 [2025-02-06 14:17:11,669 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 59 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:11,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 299 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:17:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2025-02-06 14:17:12,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 12890. [2025-02-06 14:17:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12890 states, 12078 states have (on average 1.0428051001821494) internal successors, (12595), 12080 states have internal predecessors, (12595), 807 states have call successors, (807), 2 states have call predecessors, (807), 2 states have return successors, (807), 807 states have call predecessors, (807), 807 states have call successors, (807) [2025-02-06 14:17:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12890 states to 12890 states and 14209 transitions. [2025-02-06 14:17:12,334 INFO L78 Accepts]: Start accepts. Automaton has 12890 states and 14209 transitions. Word has length 316 [2025-02-06 14:17:12,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:12,334 INFO L471 AbstractCegarLoop]: Abstraction has 12890 states and 14209 transitions. [2025-02-06 14:17:12,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 19 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 14:17:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 12890 states and 14209 transitions. [2025-02-06 14:17:12,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-02-06 14:17:12,337 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:12,337 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:12,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-06 14:17:12,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 14:17:12,542 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:12,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:12,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1391162977, now seen corresponding path program 16 times [2025-02-06 14:17:12,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:12,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408090555] [2025-02-06 14:17:12,543 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:17:12,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:12,549 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 316 statements into 2 equivalence classes. [2025-02-06 14:17:12,563 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:12,564 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:17:12,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:12,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350248815] [2025-02-06 14:17:12,565 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:17:12,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:12,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:12,566 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:12,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 14:17:12,592 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 316 statements into 2 equivalence classes. [2025-02-06 14:17:12,641 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:12,641 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:17:12,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:12,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 76 conjuncts are in the unsatisfiable core [2025-02-06 14:17:12,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:15,833 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-06 14:17:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 54 proven. 1608 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-02-06 14:17:15,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:16,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:16,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408090555] [2025-02-06 14:17:16,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:16,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350248815] [2025-02-06 14:17:16,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350248815] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:16,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:16,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2025-02-06 14:17:16,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984637937] [2025-02-06 14:17:16,199 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:16,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2025-02-06 14:17:16,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:16,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2025-02-06 14:17:16,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=2834, Unknown=0, NotChecked=0, Total=3192 [2025-02-06 14:17:16,201 INFO L87 Difference]: Start difference. First operand 12890 states and 14209 transitions. Second operand has 53 states, 51 states have (on average 4.764705882352941) internal successors, (243), 50 states have internal predecessors, (243), 17 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 14:17:19,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:19,689 INFO L93 Difference]: Finished difference Result 13633 states and 15000 transitions. [2025-02-06 14:17:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-02-06 14:17:19,690 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 51 states have (on average 4.764705882352941) internal successors, (243), 50 states have internal predecessors, (243), 17 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) Word has length 316 [2025-02-06 14:17:19,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:19,702 INFO L225 Difference]: With dead ends: 13633 [2025-02-06 14:17:19,702 INFO L226 Difference]: Without dead ends: 13632 [2025-02-06 14:17:19,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2220 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=712, Invalid=5768, Unknown=0, NotChecked=0, Total=6480 [2025-02-06 14:17:19,704 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 125 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 5198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:19,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 795 Invalid, 5204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5198 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-02-06 14:17:19,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13632 states. [2025-02-06 14:17:20,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13632 to 12977. [2025-02-06 14:17:20,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12977 states, 12160 states have (on average 1.0425986842105264) internal successors, (12678), 12162 states have internal predecessors, (12678), 812 states have call successors, (812), 2 states have call predecessors, (812), 2 states have return successors, (812), 812 states have call predecessors, (812), 812 states have call successors, (812) [2025-02-06 14:17:20,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12977 states to 12977 states and 14302 transitions. [2025-02-06 14:17:20,467 INFO L78 Accepts]: Start accepts. Automaton has 12977 states and 14302 transitions. Word has length 316 [2025-02-06 14:17:20,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:20,468 INFO L471 AbstractCegarLoop]: Abstraction has 12977 states and 14302 transitions. [2025-02-06 14:17:20,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 51 states have (on average 4.764705882352941) internal successors, (243), 50 states have internal predecessors, (243), 17 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 14:17:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 12977 states and 14302 transitions. [2025-02-06 14:17:20,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-02-06 14:17:20,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:20,505 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:20,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 14:17:20,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:17:20,706 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:20,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:20,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1592522048, now seen corresponding path program 17 times [2025-02-06 14:17:20,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:20,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807054502] [2025-02-06 14:17:20,707 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:17:20,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:20,741 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:20,884 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:20,887 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-02-06 14:17:20,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 483 proven. 1138 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-06 14:17:21,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:21,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807054502] [2025-02-06 14:17:21,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807054502] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:21,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051497117] [2025-02-06 14:17:21,562 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:17:21,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:21,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:21,570 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:21,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 14:17:21,606 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:21,667 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:21,667 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-02-06 14:17:21,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:21,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:17:21,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:22,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 469 proven. 1152 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-06 14:17:22,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:22,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 469 proven. 1152 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-06 14:17:22,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051497117] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:17:22,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:17:22,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 26 [2025-02-06 14:17:22,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366048214] [2025-02-06 14:17:22,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:22,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-06 14:17:22,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:22,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-06 14:17:22,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:17:22,616 INFO L87 Difference]: Start difference. First operand 12977 states and 14302 transitions. Second operand has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:17:24,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:24,162 INFO L93 Difference]: Finished difference Result 25468 states and 28182 transitions. [2025-02-06 14:17:24,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 14:17:24,163 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 316 [2025-02-06 14:17:24,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:24,220 INFO L225 Difference]: With dead ends: 25468 [2025-02-06 14:17:24,220 INFO L226 Difference]: Without dead ends: 19220 [2025-02-06 14:17:24,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 609 SyntacticMatches, 15 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:17:24,233 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 25 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:24,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 969 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:17:24,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19220 states. [2025-02-06 14:17:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19220 to 14883. [2025-02-06 14:17:25,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 13947 states have (on average 1.0382878038287804) internal successors, (14481), 13949 states have internal predecessors, (14481), 931 states have call successors, (931), 2 states have call predecessors, (931), 2 states have return successors, (931), 931 states have call predecessors, (931), 931 states have call successors, (931) [2025-02-06 14:17:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 16343 transitions. [2025-02-06 14:17:25,091 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 16343 transitions. Word has length 316 [2025-02-06 14:17:25,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:25,092 INFO L471 AbstractCegarLoop]: Abstraction has 14883 states and 16343 transitions. [2025-02-06 14:17:25,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:17:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 16343 transitions. [2025-02-06 14:17:25,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-06 14:17:25,098 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:25,099 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:25,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-06 14:17:25,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 14:17:25,304 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:25,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:25,305 INFO L85 PathProgramCache]: Analyzing trace with hash -643440175, now seen corresponding path program 18 times [2025-02-06 14:17:25,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:25,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549861365] [2025-02-06 14:17:25,305 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:25,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:25,324 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 336 statements into 17 equivalence classes. [2025-02-06 14:17:25,399 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:25,400 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-02-06 14:17:25,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:25,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581775156] [2025-02-06 14:17:25,402 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:25,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:25,404 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:25,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 14:17:25,441 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 336 statements into 17 equivalence classes. [2025-02-06 14:17:25,517 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) and asserted 316 of 336 statements. [2025-02-06 14:17:25,517 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2025-02-06 14:17:25,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:25,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 105 conjuncts are in the unsatisfiable core [2025-02-06 14:17:25,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:27,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 121 proven. 1772 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2025-02-06 14:17:27,846 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:28,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549861365] [2025-02-06 14:17:28,156 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:28,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581775156] [2025-02-06 14:17:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581775156] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:28,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:28,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2025-02-06 14:17:28,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390279583] [2025-02-06 14:17:28,157 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:28,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 14:17:28,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:28,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 14:17:28,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=2360, Unknown=0, NotChecked=0, Total=2652 [2025-02-06 14:17:28,158 INFO L87 Difference]: Start difference. First operand 14883 states and 16343 transitions. Second operand has 48 states, 47 states have (on average 5.276595744680851) internal successors, (248), 48 states have internal predecessors, (248), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2025-02-06 14:17:31,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:31,773 INFO L93 Difference]: Finished difference Result 15678 states and 17185 transitions. [2025-02-06 14:17:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-02-06 14:17:31,773 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.276595744680851) internal successors, (248), 48 states have internal predecessors, (248), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) Word has length 336 [2025-02-06 14:17:31,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:31,799 INFO L225 Difference]: With dead ends: 15678 [2025-02-06 14:17:31,799 INFO L226 Difference]: Without dead ends: 15677 [2025-02-06 14:17:31,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=415, Invalid=3745, Unknown=0, NotChecked=0, Total=4160 [2025-02-06 14:17:31,803 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 92 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 8098 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 8110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:31,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1101 Invalid, 8110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 8098 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-02-06 14:17:31,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15677 states. [2025-02-06 14:17:32,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15677 to 14883. [2025-02-06 14:17:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 13947 states have (on average 1.0382161038216104) internal successors, (14480), 13949 states have internal predecessors, (14480), 931 states have call successors, (931), 2 states have call predecessors, (931), 2 states have return successors, (931), 931 states have call predecessors, (931), 931 states have call successors, (931) [2025-02-06 14:17:32,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 16342 transitions. [2025-02-06 14:17:32,652 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 16342 transitions. Word has length 336 [2025-02-06 14:17:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:32,653 INFO L471 AbstractCegarLoop]: Abstraction has 14883 states and 16342 transitions. [2025-02-06 14:17:32,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.276595744680851) internal successors, (248), 48 states have internal predecessors, (248), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2025-02-06 14:17:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 16342 transitions. [2025-02-06 14:17:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-06 14:17:32,658 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:32,658 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:32,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:32,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:32,859 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:32,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:32,860 INFO L85 PathProgramCache]: Analyzing trace with hash 197385549, now seen corresponding path program 19 times [2025-02-06 14:17:32,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:32,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040716164] [2025-02-06 14:17:32,860 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:32,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:32,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-02-06 14:17:32,897 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:32,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:32,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:32,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620894218] [2025-02-06 14:17:32,899 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:32,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:32,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:32,905 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:32,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-06 14:17:32,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-02-06 14:17:33,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:33,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:33,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:33,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 112 conjuncts are in the unsatisfiable core [2025-02-06 14:17:33,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:34,717 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-06 14:17:35,119 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-02-06 14:17:35,632 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-02-06 14:17:36,155 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2025-02-06 14:17:36,787 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2025-02-06 14:17:37,394 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2025-02-06 14:17:38,143 WARN L672 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2025-02-06 14:17:38,901 WARN L672 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2025-02-06 14:17:39,781 WARN L672 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2025-02-06 14:17:41,110 WARN L672 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2025-02-06 14:17:42,060 WARN L672 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2025-02-06 14:17:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2260 backedges. 90 proven. 1806 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:17:44,036 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:44,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:44,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040716164] [2025-02-06 14:17:44,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:44,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620894218] [2025-02-06 14:17:44,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620894218] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:44,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:44,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2025-02-06 14:17:44,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989152841] [2025-02-06 14:17:44,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:44,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-02-06 14:17:44,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:44,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-02-06 14:17:44,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=3924, Unknown=0, NotChecked=0, Total=4290 [2025-02-06 14:17:44,538 INFO L87 Difference]: Start difference. First operand 14883 states and 16342 transitions. Second operand has 61 states, 59 states have (on average 4.372881355932203) internal successors, (258), 59 states have internal predecessors, (258), 18 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18)