./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d 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/prod4br-ll_unwindbound2.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 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:46:14,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:46:15,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:46:15,014 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:46:15,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:46:15,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:46:15,033 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:46:15,033 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:46:15,033 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:46:15,033 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:46:15,034 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:46:15,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:46:15,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:46:15,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:46:15,037 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:15,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:46:15,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:46:15,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:46:15,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:46:15,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:46:15,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:46:15,038 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:46:15,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:46:15,038 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 -> 7f0424dbafec10d34a77570c428224cb0ba56b8b9f5906b463f2dcbc550354ee [2025-02-08 09:46:15,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:46:15,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:46:15,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:46:15,260 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:46:15,260 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:46:15,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2025-02-08 09:46:16,591 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12706e17b/db37c79cd9e54d73b38e9142e82d474c/FLAGb4f3b1cc7 [2025-02-08 09:46:16,836 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:46:16,837 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound2.c [2025-02-08 09:46:16,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12706e17b/db37c79cd9e54d73b38e9142e82d474c/FLAGb4f3b1cc7 [2025-02-08 09:46:17,171 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/12706e17b/db37c79cd9e54d73b38e9142e82d474c [2025-02-08 09:46:17,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:46:17,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:46:17,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:17,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:46:17,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:46:17,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d38d7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17, skipping insertion in model container [2025-02-08 09:46:17,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,188 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:46:17,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:17,350 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:46:17,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:46:17,394 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:46:17,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17 WrapperNode [2025-02-08 09:46:17,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:46:17,395 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:17,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:46:17,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:46:17,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,442 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2025-02-08 09:46:17,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:46:17,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:46:17,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:46:17,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:46:17,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,462 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]. [2025-02-08 09:46:17,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,464 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:46:17,468 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:46:17,468 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:46:17,468 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:46:17,469 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (1/1) ... [2025-02-08 09:46:17,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:46:17,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:17,503 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) [2025-02-08 09:46:17,506 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 [2025-02-08 09:46:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:46:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:46:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:46:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:46:17,562 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:46:17,564 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:46:17,850 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2025-02-08 09:46:17,850 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:46:17,866 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:46:17,866 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:46:17,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:17 BoogieIcfgContainer [2025-02-08 09:46:17,866 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:46:17,868 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:46:17,868 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:46:17,871 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:46:17,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:46:17" (1/3) ... [2025-02-08 09:46:17,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3816bc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:17, skipping insertion in model container [2025-02-08 09:46:17,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:46:17" (2/3) ... [2025-02-08 09:46:17,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3816bc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:46:17, skipping insertion in model container [2025-02-08 09:46:17,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:46:17" (3/3) ... [2025-02-08 09:46:17,875 INFO L128 eAbstractionObserver]: Analyzing ICFG prod4br-ll_unwindbound2.c [2025-02-08 09:46:17,886 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:46:17,888 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG prod4br-ll_unwindbound2.c that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-02-08 09:46:17,932 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:46:17,942 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;@3c9b61cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:46:17,943 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-02-08 09:46:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 58 states have (on average 1.896551724137931) internal successors, (110), 102 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:46:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:46:17,949 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:17,950 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:46:17,950 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:17,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:17,954 INFO L85 PathProgramCache]: Analyzing trace with hash 130677160, now seen corresponding path program 1 times [2025-02-08 09:46:17,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:17,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263604023] [2025-02-08 09:46:17,962 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:18,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:46:18,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:46:18,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:18,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:18,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:18,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263604023] [2025-02-08 09:46:18,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263604023] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:18,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:18,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:46:18,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303082443] [2025-02-08 09:46:18,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:18,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:46:18,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:18,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:46:18,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:18,079 INFO L87 Difference]: Start difference. First operand has 107 states, 58 states have (on average 1.896551724137931) internal successors, (110), 102 states have internal predecessors, (110), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:18,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:18,101 INFO L93 Difference]: Finished difference Result 212 states and 232 transitions. [2025-02-08 09:46:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:46:18,102 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:46:18,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:18,108 INFO L225 Difference]: With dead ends: 212 [2025-02-08 09:46:18,108 INFO L226 Difference]: Without dead ends: 103 [2025-02-08 09:46:18,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:46:18,113 INFO L435 NwaCegarLoop]: 113 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, 113 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 [2025-02-08 09:46:18,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:18,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-08 09:46:18,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-02-08 09:46:18,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 56 states have (on average 1.8571428571428572) internal successors, (104), 99 states have internal predecessors, (104), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 108 transitions. [2025-02-08 09:46:18,148 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 108 transitions. Word has length 5 [2025-02-08 09:46:18,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:18,148 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 108 transitions. [2025-02-08 09:46:18,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:18,148 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 108 transitions. [2025-02-08 09:46:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:46:18,148 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:18,148 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:46:18,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:46:18,148 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:18,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:18,149 INFO L85 PathProgramCache]: Analyzing trace with hash 130706951, now seen corresponding path program 1 times [2025-02-08 09:46:18,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:18,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370471291] [2025-02-08 09:46:18,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:18,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:18,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:46:18,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:46:18,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:18,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:18,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:18,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370471291] [2025-02-08 09:46:18,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370471291] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:18,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:18,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:46:18,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558482789] [2025-02-08 09:46:18,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:18,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:18,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:18,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:18,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:18,239 INFO L87 Difference]: Start difference. First operand 103 states and 108 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:18,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:18,276 INFO L93 Difference]: Finished difference Result 122 states and 127 transitions. [2025-02-08 09:46:18,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:18,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:46:18,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:18,277 INFO L225 Difference]: With dead ends: 122 [2025-02-08 09:46:18,277 INFO L226 Difference]: Without dead ends: 107 [2025-02-08 09:46:18,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:18,278 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 4 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:18,278 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 306 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:18,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-08 09:46:18,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2025-02-08 09:46:18,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 60 states have (on average 1.8) internal successors, (108), 103 states have internal predecessors, (108), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:18,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 112 transitions. [2025-02-08 09:46:18,284 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 112 transitions. Word has length 5 [2025-02-08 09:46:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:18,284 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 112 transitions. [2025-02-08 09:46:18,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:18,284 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 112 transitions. [2025-02-08 09:46:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 09:46:18,284 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:18,284 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:18,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:46:18,284 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:18,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:18,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1644492773, now seen corresponding path program 1 times [2025-02-08 09:46:18,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:18,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566486281] [2025-02-08 09:46:18,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:18,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:18,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:46:18,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:46:18,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:18,294 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:18,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194027765] [2025-02-08 09:46:18,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:18,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:18,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:18,297 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) [2025-02-08 09:46:18,302 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 [2025-02-08 09:46:18,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 09:46:18,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 09:46:18,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:18,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:18,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:46:18,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:18,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:18,465 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:18,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:18,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566486281] [2025-02-08 09:46:18,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:18,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194027765] [2025-02-08 09:46:18,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194027765] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:18,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:18,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:18,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791423934] [2025-02-08 09:46:18,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:18,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:18,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:18,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:18,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:18,467 INFO L87 Difference]: Start difference. First operand 107 states and 112 transitions. Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:18,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:18,698 INFO L93 Difference]: Finished difference Result 146 states and 167 transitions. [2025-02-08 09:46:18,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:18,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 09:46:18,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:18,699 INFO L225 Difference]: With dead ends: 146 [2025-02-08 09:46:18,699 INFO L226 Difference]: Without dead ends: 135 [2025-02-08 09:46:18,699 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:18,700 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 161 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:18,700 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 153 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:18,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-02-08 09:46:18,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 130. [2025-02-08 09:46:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 83 states have (on average 1.6987951807228916) internal successors, (141), 124 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:46:18,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2025-02-08 09:46:18,707 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 8 [2025-02-08 09:46:18,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:18,707 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2025-02-08 09:46:18,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2025-02-08 09:46:18,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 09:46:18,707 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:18,707 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:18,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:46:18,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:18,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:18,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:18,909 INFO L85 PathProgramCache]: Analyzing trace with hash 560331651, now seen corresponding path program 1 times [2025-02-08 09:46:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:18,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155215034] [2025-02-08 09:46:18,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:18,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:18,912 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:46:18,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:46:18,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:18,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:18,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1274711175] [2025-02-08 09:46:18,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:18,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:18,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:18,919 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) [2025-02-08 09:46:18,921 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 [2025-02-08 09:46:18,939 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 09:46:18,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 09:46:18,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:18,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:18,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:46:18,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:19,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:19,018 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:19,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:19,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155215034] [2025-02-08 09:46:19,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:19,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274711175] [2025-02-08 09:46:19,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274711175] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:19,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:19,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:19,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828281244] [2025-02-08 09:46:19,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:19,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:19,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:19,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:19,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:19,019 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:19,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:19,219 INFO L93 Difference]: Finished difference Result 181 states and 221 transitions. [2025-02-08 09:46:19,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:19,220 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 09:46:19,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:19,220 INFO L225 Difference]: With dead ends: 181 [2025-02-08 09:46:19,220 INFO L226 Difference]: Without dead ends: 163 [2025-02-08 09:46:19,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:19,221 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 177 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:19,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [179 Valid, 136 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:19,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-08 09:46:19,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-02-08 09:46:19,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6363636363636365) internal successors, (180), 149 states have internal predecessors, (180), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:46:19,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 190 transitions. [2025-02-08 09:46:19,236 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 190 transitions. Word has length 9 [2025-02-08 09:46:19,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:19,238 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 190 transitions. [2025-02-08 09:46:19,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:19,238 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 190 transitions. [2025-02-08 09:46:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-08 09:46:19,238 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:19,238 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:19,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:19,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:19,439 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:19,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:19,440 INFO L85 PathProgramCache]: Analyzing trace with hash 190412057, now seen corresponding path program 1 times [2025-02-08 09:46:19,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:19,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391550141] [2025-02-08 09:46:19,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:19,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:19,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:46:19,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:46:19,448 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:19,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:19,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787777888] [2025-02-08 09:46:19,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:19,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:19,451 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) [2025-02-08 09:46:19,455 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 [2025-02-08 09:46:19,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-08 09:46:19,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-08 09:46:19,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:19,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:19,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:46:19,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:19,596 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:19,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:19,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391550141] [2025-02-08 09:46:19,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:19,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787777888] [2025-02-08 09:46:19,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787777888] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:19,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:19,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331932060] [2025-02-08 09:46:19,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:19,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:19,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:19,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:19,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:19,598 INFO L87 Difference]: Start difference. First operand 156 states and 190 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:19,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:19,769 INFO L93 Difference]: Finished difference Result 164 states and 197 transitions. [2025-02-08 09:46:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:19,769 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-08 09:46:19,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:19,770 INFO L225 Difference]: With dead ends: 164 [2025-02-08 09:46:19,770 INFO L226 Difference]: Without dead ends: 163 [2025-02-08 09:46:19,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:19,771 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 145 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:19,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 160 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:46:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2025-02-08 09:46:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 156. [2025-02-08 09:46:19,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.6272727272727272) internal successors, (179), 149 states have internal predecessors, (179), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:46:19,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 189 transitions. [2025-02-08 09:46:19,777 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 189 transitions. Word has length 10 [2025-02-08 09:46:19,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:19,777 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 189 transitions. [2025-02-08 09:46:19,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:19,777 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 189 transitions. [2025-02-08 09:46:19,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-08 09:46:19,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:19,782 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:19,788 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 [2025-02-08 09:46:19,982 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 [2025-02-08 09:46:19,983 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:19,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:19,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1607806529, now seen corresponding path program 1 times [2025-02-08 09:46:19,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:19,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675643289] [2025-02-08 09:46:19,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:19,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:46:19,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:46:19,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:19,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:19,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554185117] [2025-02-08 09:46:19,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:19,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:19,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:19,993 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) [2025-02-08 09:46:19,994 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 [2025-02-08 09:46:20,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-08 09:46:20,018 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-08 09:46:20,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:20,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:20,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:46:20,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:20,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:20,095 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:20,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:20,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675643289] [2025-02-08 09:46:20,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:20,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554185117] [2025-02-08 09:46:20,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554185117] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:20,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:20,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:20,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699598339] [2025-02-08 09:46:20,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:20,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:46:20,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:20,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:46:20,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:20,096 INFO L87 Difference]: Start difference. First operand 156 states and 189 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:20,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:20,279 INFO L93 Difference]: Finished difference Result 161 states and 189 transitions. [2025-02-08 09:46:20,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:20,280 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-08 09:46:20,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:20,281 INFO L225 Difference]: With dead ends: 161 [2025-02-08 09:46:20,281 INFO L226 Difference]: Without dead ends: 158 [2025-02-08 09:46:20,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:20,281 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 167 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:20,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 146 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:20,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-08 09:46:20,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 156. [2025-02-08 09:46:20,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 110 states have (on average 1.5909090909090908) internal successors, (175), 149 states have internal predecessors, (175), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:46:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2025-02-08 09:46:20,294 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 11 [2025-02-08 09:46:20,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:20,294 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2025-02-08 09:46:20,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2025-02-08 09:46:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 09:46:20,295 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:20,295 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:20,303 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:20,495 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 [2025-02-08 09:46:20,496 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:20,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:20,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1697605097, now seen corresponding path program 1 times [2025-02-08 09:46:20,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:20,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744364885] [2025-02-08 09:46:20,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:20,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:20,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 09:46:20,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 09:46:20,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:20,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:20,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:20,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744364885] [2025-02-08 09:46:20,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744364885] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:20,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:20,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:20,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400477348] [2025-02-08 09:46:20,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:20,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:20,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:20,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:20,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:20,548 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:20,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:20,796 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2025-02-08 09:46:20,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:20,796 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-08 09:46:20,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:20,797 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:46:20,798 INFO L226 Difference]: Without dead ends: 258 [2025-02-08 09:46:20,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:20,798 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 96 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:20,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 170 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:20,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-08 09:46:20,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2025-02-08 09:46:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.6015037593984962) internal successors, (213), 172 states have internal predecessors, (213), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:46:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 225 transitions. [2025-02-08 09:46:20,825 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 225 transitions. Word has length 12 [2025-02-08 09:46:20,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:20,825 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 225 transitions. [2025-02-08 09:46:20,825 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 225 transitions. [2025-02-08 09:46:20,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:46:20,825 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:20,825 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:20,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:46:20,826 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:20,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:20,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1086150401, now seen corresponding path program 1 times [2025-02-08 09:46:20,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:20,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522552810] [2025-02-08 09:46:20,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:20,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:20,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:46:20,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:46:20,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:20,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:20,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:20,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522552810] [2025-02-08 09:46:20,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522552810] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:20,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:20,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:20,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389466905] [2025-02-08 09:46:20,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:20,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:20,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:20,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:20,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:20,867 INFO L87 Difference]: Start difference. First operand 180 states and 225 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:21,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:21,158 INFO L93 Difference]: Finished difference Result 259 states and 303 transitions. [2025-02-08 09:46:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:21,158 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-08 09:46:21,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:21,159 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:46:21,159 INFO L226 Difference]: Without dead ends: 258 [2025-02-08 09:46:21,160 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 [2025-02-08 09:46:21,160 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 94 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:21,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 160 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:21,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2025-02-08 09:46:21,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 180. [2025-02-08 09:46:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 133 states have (on average 1.586466165413534) internal successors, (211), 172 states have internal predecessors, (211), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:46:21,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2025-02-08 09:46:21,167 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 13 [2025-02-08 09:46:21,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:21,167 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2025-02-08 09:46:21,167 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:46:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2025-02-08 09:46:21,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:46:21,168 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:21,168 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:21,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:46:21,168 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:21,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:21,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1428355351, now seen corresponding path program 1 times [2025-02-08 09:46:21,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:21,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784889058] [2025-02-08 09:46:21,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:21,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:21,172 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:46:21,188 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:46:21,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:21,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:21,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:21,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:21,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784889058] [2025-02-08 09:46:21,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784889058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:21,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:21,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:46:21,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213741521] [2025-02-08 09:46:21,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:21,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:46:21,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:21,229 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:46:21,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:46:21,230 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:21,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:21,283 INFO L93 Difference]: Finished difference Result 258 states and 325 transitions. [2025-02-08 09:46:21,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:46:21,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-02-08 09:46:21,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:21,284 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:46:21,284 INFO L226 Difference]: Without dead ends: 256 [2025-02-08 09:46:21,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:46:21,285 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 57 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:21,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 147 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2025-02-08 09:46:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 229. [2025-02-08 09:46:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 181 states have (on average 1.6574585635359116) internal successors, (300), 220 states have internal predecessors, (300), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:46:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 314 transitions. [2025-02-08 09:46:21,292 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 314 transitions. Word has length 27 [2025-02-08 09:46:21,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:21,292 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 314 transitions. [2025-02-08 09:46:21,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:21,292 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 314 transitions. [2025-02-08 09:46:21,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:46:21,292 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:21,293 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:21,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:46:21,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:21,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:21,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1507508051, now seen corresponding path program 1 times [2025-02-08 09:46:21,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:21,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406092183] [2025-02-08 09:46:21,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:21,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:21,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:46:21,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:46:21,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:21,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:21,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367256701] [2025-02-08 09:46:21,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:21,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:21,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:21,311 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) [2025-02-08 09:46:21,312 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 [2025-02-08 09:46:21,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:46:21,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:46:21,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:21,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:21,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:21,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:21,423 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:21,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:21,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406092183] [2025-02-08 09:46:21,423 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:21,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367256701] [2025-02-08 09:46:21,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367256701] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:21,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:21,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:21,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050863631] [2025-02-08 09:46:21,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:21,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:21,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:21,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:21,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:21,424 INFO L87 Difference]: Start difference. First operand 229 states and 314 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:21,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:21,611 INFO L93 Difference]: Finished difference Result 281 states and 386 transitions. [2025-02-08 09:46:21,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:21,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-02-08 09:46:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:21,613 INFO L225 Difference]: With dead ends: 281 [2025-02-08 09:46:21,613 INFO L226 Difference]: Without dead ends: 277 [2025-02-08 09:46:21,613 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:21,614 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 160 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:21,614 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 110 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:21,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-08 09:46:21,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 257. [2025-02-08 09:46:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 208 states have (on average 1.6586538461538463) internal successors, (345), 247 states have internal predecessors, (345), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:21,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 361 transitions. [2025-02-08 09:46:21,624 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 361 transitions. Word has length 27 [2025-02-08 09:46:21,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:21,624 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 361 transitions. [2025-02-08 09:46:21,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:21,625 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 361 transitions. [2025-02-08 09:46:21,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:46:21,625 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:21,625 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:21,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:46:21,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 09:46:21,830 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:21,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash -576044591, now seen corresponding path program 1 times [2025-02-08 09:46:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:21,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519276392] [2025-02-08 09:46:21,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:21,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:21,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:46:21,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:46:21,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:21,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:21,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:21,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:21,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519276392] [2025-02-08 09:46:21,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519276392] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:21,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:21,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:21,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311709640] [2025-02-08 09:46:21,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:21,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:21,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:21,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:21,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:21,946 INFO L87 Difference]: Start difference. First operand 257 states and 361 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:22,108 INFO L93 Difference]: Finished difference Result 341 states and 453 transitions. [2025-02-08 09:46:22,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:22,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-02-08 09:46:22,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:22,113 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:46:22,113 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:46:22,114 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 [2025-02-08 09:46:22,114 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 65 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:22,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 214 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:22,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:46:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 267. [2025-02-08 09:46:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.651376146788991) internal successors, (360), 257 states have internal predecessors, (360), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:22,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 376 transitions. [2025-02-08 09:46:22,133 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 376 transitions. Word has length 28 [2025-02-08 09:46:22,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:22,133 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 376 transitions. [2025-02-08 09:46:22,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 376 transitions. [2025-02-08 09:46:22,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 09:46:22,135 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:22,135 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:22,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:46:22,136 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:22,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash -511890666, now seen corresponding path program 1 times [2025-02-08 09:46:22,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:22,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228267033] [2025-02-08 09:46:22,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:22,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:22,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:46:22,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:46:22,157 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:22,157 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:22,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070134675] [2025-02-08 09:46:22,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:22,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:22,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:22,161 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) [2025-02-08 09:46:22,162 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 [2025-02-08 09:46:22,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 09:46:22,200 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 09:46:22,200 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:22,200 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:22,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:22,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:22,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:22,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:22,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228267033] [2025-02-08 09:46:22,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:22,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070134675] [2025-02-08 09:46:22,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070134675] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:22,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:22,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:22,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228626256] [2025-02-08 09:46:22,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:22,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:22,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:22,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:22,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:22,276 INFO L87 Difference]: Start difference. First operand 267 states and 376 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:22,447 INFO L93 Difference]: Finished difference Result 284 states and 383 transitions. [2025-02-08 09:46:22,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:22,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-02-08 09:46:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:22,449 INFO L225 Difference]: With dead ends: 284 [2025-02-08 09:46:22,449 INFO L226 Difference]: Without dead ends: 280 [2025-02-08 09:46:22,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:46:22,451 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 213 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:22,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 76 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-02-08 09:46:22,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 267. [2025-02-08 09:46:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 218 states have (on average 1.628440366972477) internal successors, (355), 257 states have internal predecessors, (355), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 371 transitions. [2025-02-08 09:46:22,461 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 371 transitions. Word has length 28 [2025-02-08 09:46:22,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:22,462 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 371 transitions. [2025-02-08 09:46:22,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 371 transitions. [2025-02-08 09:46:22,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:46:22,463 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:22,463 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:22,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:46:22,663 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,SelfDestructingSolverStorable11 [2025-02-08 09:46:22,664 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:22,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:22,665 INFO L85 PathProgramCache]: Analyzing trace with hash -677513144, now seen corresponding path program 1 times [2025-02-08 09:46:22,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:22,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655830831] [2025-02-08 09:46:22,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:22,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:22,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:46:22,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:46:22,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:22,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:22,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:22,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655830831] [2025-02-08 09:46:22,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655830831] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:22,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:22,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:22,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151112813] [2025-02-08 09:46:22,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:22,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:22,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:22,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:22,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:22,737 INFO L87 Difference]: Start difference. First operand 267 states and 371 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:23,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:23,113 INFO L93 Difference]: Finished difference Result 341 states and 445 transitions. [2025-02-08 09:46:23,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:23,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 09:46:23,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:23,114 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:46:23,114 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:46:23,115 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 [2025-02-08 09:46:23,115 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 63 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:23,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 212 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:23,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:46:23,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 269. [2025-02-08 09:46:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 259 states have internal predecessors, (357), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 373 transitions. [2025-02-08 09:46:23,122 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 373 transitions. Word has length 29 [2025-02-08 09:46:23,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:23,122 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 373 transitions. [2025-02-08 09:46:23,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:23,122 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 373 transitions. [2025-02-08 09:46:23,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:46:23,122 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:23,123 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:23,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:46:23,123 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:23,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:23,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1311258545, now seen corresponding path program 1 times [2025-02-08 09:46:23,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:23,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526234117] [2025-02-08 09:46:23,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:23,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:46:23,133 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:46:23,133 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:23,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:23,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526234117] [2025-02-08 09:46:23,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526234117] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:23,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:23,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:23,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549080287] [2025-02-08 09:46:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:23,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:23,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:23,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:23,205 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:23,205 INFO L87 Difference]: Start difference. First operand 269 states and 373 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:23,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:23,367 INFO L93 Difference]: Finished difference Result 341 states and 443 transitions. [2025-02-08 09:46:23,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:23,368 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 09:46:23,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:23,369 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:46:23,369 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:46:23,369 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 [2025-02-08 09:46:23,370 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 63 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:23,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 230 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:23,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:46:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 278. [2025-02-08 09:46:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 229 states have (on average 1.6200873362445414) internal successors, (371), 268 states have internal predecessors, (371), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 387 transitions. [2025-02-08 09:46:23,376 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 387 transitions. Word has length 29 [2025-02-08 09:46:23,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:23,376 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 387 transitions. [2025-02-08 09:46:23,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 387 transitions. [2025-02-08 09:46:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 09:46:23,377 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:23,377 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:23,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:46:23,377 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:23,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:23,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1362791016, now seen corresponding path program 1 times [2025-02-08 09:46:23,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:23,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677416243] [2025-02-08 09:46:23,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:23,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 09:46:23,392 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 09:46:23,396 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,396 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:23,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:23,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677416243] [2025-02-08 09:46:23,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677416243] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:23,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:23,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:23,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831923835] [2025-02-08 09:46:23,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:23,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:23,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:23,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:23,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:23,490 INFO L87 Difference]: Start difference. First operand 278 states and 387 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:23,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:23,812 INFO L93 Difference]: Finished difference Result 389 states and 562 transitions. [2025-02-08 09:46:23,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:23,812 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 09:46:23,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:23,813 INFO L225 Difference]: With dead ends: 389 [2025-02-08 09:46:23,813 INFO L226 Difference]: Without dead ends: 387 [2025-02-08 09:46:23,814 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:23,814 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 280 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:23,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 99 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:23,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-02-08 09:46:23,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 284. [2025-02-08 09:46:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 235 states have (on average 1.6085106382978724) internal successors, (378), 274 states have internal predecessors, (378), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 394 transitions. [2025-02-08 09:46:23,822 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 394 transitions. Word has length 29 [2025-02-08 09:46:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:23,822 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 394 transitions. [2025-02-08 09:46:23,822 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 394 transitions. [2025-02-08 09:46:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:46:23,822 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:23,823 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:23,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:46:23,823 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:23,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:23,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1893244212, now seen corresponding path program 1 times [2025-02-08 09:46:23,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:23,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520811541] [2025-02-08 09:46:23,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:23,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:23,829 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:23,829 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:23,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:23,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520811541] [2025-02-08 09:46:23,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520811541] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:23,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740975305] [2025-02-08 09:46:23,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:23,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:23,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:23,898 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) [2025-02-08 09:46:23,900 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 [2025-02-08 09:46:23,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:23,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:23,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:23,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:23,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:23,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:23,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:23,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740975305] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:23,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:23,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-02-08 09:46:23,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626384339] [2025-02-08 09:46:23,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:23,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:23,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:23,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:23,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:23,978 INFO L87 Difference]: Start difference. First operand 284 states and 394 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:24,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:24,022 INFO L93 Difference]: Finished difference Result 284 states and 394 transitions. [2025-02-08 09:46:24,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:24,022 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-02-08 09:46:24,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:24,024 INFO L225 Difference]: With dead ends: 284 [2025-02-08 09:46:24,024 INFO L226 Difference]: Without dead ends: 283 [2025-02-08 09:46:24,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:46:24,025 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 82 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:24,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 291 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:24,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2025-02-08 09:46:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2025-02-08 09:46:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 235 states have (on average 1.5872340425531914) internal successors, (373), 273 states have internal predecessors, (373), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 389 transitions. [2025-02-08 09:46:24,034 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 389 transitions. Word has length 30 [2025-02-08 09:46:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:24,035 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 389 transitions. [2025-02-08 09:46:24,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2025-02-08 09:46:24,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:46:24,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:24,037 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:24,042 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 [2025-02-08 09:46:24,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:24,237 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:24,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:24,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1994309236, now seen corresponding path program 1 times [2025-02-08 09:46:24,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:24,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872679225] [2025-02-08 09:46:24,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:24,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:24,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:24,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:24,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:24,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:24,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:24,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:24,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872679225] [2025-02-08 09:46:24,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872679225] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:24,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:24,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:24,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607301849] [2025-02-08 09:46:24,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:24,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:24,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:24,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:24,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:24,320 INFO L87 Difference]: Start difference. First operand 283 states and 389 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:24,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:24,701 INFO L93 Difference]: Finished difference Result 339 states and 434 transitions. [2025-02-08 09:46:24,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:24,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-02-08 09:46:24,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:24,703 INFO L225 Difference]: With dead ends: 339 [2025-02-08 09:46:24,703 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:46:24,703 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 [2025-02-08 09:46:24,704 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 61 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:24,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 211 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:24,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:46:24,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 285. [2025-02-08 09:46:24,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 237 states have (on average 1.5822784810126582) internal successors, (375), 275 states have internal predecessors, (375), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 391 transitions. [2025-02-08 09:46:24,714 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 391 transitions. Word has length 30 [2025-02-08 09:46:24,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:24,714 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 391 transitions. [2025-02-08 09:46:24,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 391 transitions. [2025-02-08 09:46:24,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:46:24,715 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:24,715 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:24,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:46:24,715 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:24,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:24,715 INFO L85 PathProgramCache]: Analyzing trace with hash -703151435, now seen corresponding path program 1 times [2025-02-08 09:46:24,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:24,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818456863] [2025-02-08 09:46:24,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:24,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:24,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:46:24,724 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:46:24,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:24,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:24,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:24,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:24,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818456863] [2025-02-08 09:46:24,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818456863] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:24,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:24,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:24,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442948773] [2025-02-08 09:46:24,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:24,787 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:24,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:24,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:24,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:24,787 INFO L87 Difference]: Start difference. First operand 285 states and 391 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:25,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:25,013 INFO L93 Difference]: Finished difference Result 293 states and 398 transitions. [2025-02-08 09:46:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:25,014 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-02-08 09:46:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:25,015 INFO L225 Difference]: With dead ends: 293 [2025-02-08 09:46:25,016 INFO L226 Difference]: Without dead ends: 291 [2025-02-08 09:46:25,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:25,016 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 239 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:25,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 77 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:25,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2025-02-08 09:46:25,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 285. [2025-02-08 09:46:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 237 states have (on average 1.5696202531645569) internal successors, (372), 275 states have internal predecessors, (372), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:46:25,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2025-02-08 09:46:25,026 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 30 [2025-02-08 09:46:25,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:25,026 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2025-02-08 09:46:25,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2025-02-08 09:46:25,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:46:25,027 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:25,027 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-02-08 09:46:25,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:46:25,028 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:25,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:25,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1438971504, now seen corresponding path program 1 times [2025-02-08 09:46:25,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:25,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829545508] [2025-02-08 09:46:25,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:25,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:46:25,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:46:25,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:25,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829545508] [2025-02-08 09:46:25,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829545508] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:25,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664600126] [2025-02-08 09:46:25,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:25,110 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) [2025-02-08 09:46:25,114 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 [2025-02-08 09:46:25,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:46:25,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:46:25,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:25,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:46:25,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:25,180 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:25,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664600126] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:25,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:46:25,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 5] total 12 [2025-02-08 09:46:25,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071084697] [2025-02-08 09:46:25,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:25,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:46:25,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:25,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:46:25,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:25,233 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:25,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:25,342 INFO L93 Difference]: Finished difference Result 772 states and 1047 transitions. [2025-02-08 09:46:25,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:46:25,342 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2025-02-08 09:46:25,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:25,345 INFO L225 Difference]: With dead ends: 772 [2025-02-08 09:46:25,345 INFO L226 Difference]: Without dead ends: 756 [2025-02-08 09:46:25,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:46:25,346 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 220 mSDsluCounter, 870 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 972 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:25,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 972 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:46:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2025-02-08 09:46:25,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 670. [2025-02-08 09:46:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 606 states have (on average 1.5907590759075907) internal successors, (964), 648 states have internal predecessors, (964), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 17 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:46:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 1006 transitions. [2025-02-08 09:46:25,372 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 1006 transitions. Word has length 31 [2025-02-08 09:46:25,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:25,372 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 1006 transitions. [2025-02-08 09:46:25,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.416666666666667) internal successors, (65), 13 states have internal predecessors, (65), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:46:25,372 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1006 transitions. [2025-02-08 09:46:25,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:46:25,373 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:25,373 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] [2025-02-08 09:46:25,380 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 [2025-02-08 09:46:25,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,574 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:25,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:25,574 INFO L85 PathProgramCache]: Analyzing trace with hash 127856078, now seen corresponding path program 1 times [2025-02-08 09:46:25,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:25,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227629640] [2025-02-08 09:46:25,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:25,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:25,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:25,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:25,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699585717] [2025-02-08 09:46:25,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:25,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:25,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:25,590 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) [2025-02-08 09:46:25,591 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 [2025-02-08 09:46:25,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:25,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:25,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:25,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:25,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:25,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:26,066 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:26,067 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:26,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:26,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227629640] [2025-02-08 09:46:26,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:26,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699585717] [2025-02-08 09:46:26,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699585717] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:26,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:26,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-02-08 09:46:26,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346932208] [2025-02-08 09:46:26,802 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:26,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:46:26,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:26,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:46:26,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:46:26,803 INFO L87 Difference]: Start difference. First operand 670 states and 1006 transitions. Second operand has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:28,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:28,874 INFO L93 Difference]: Finished difference Result 1196 states and 1823 transitions. [2025-02-08 09:46:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-08 09:46:28,874 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2025-02-08 09:46:28,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:28,879 INFO L225 Difference]: With dead ends: 1196 [2025-02-08 09:46:28,879 INFO L226 Difference]: Without dead ends: 1152 [2025-02-08 09:46:28,880 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=322, Invalid=670, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:46:28,880 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 692 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 693 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:28,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [693 Valid, 156 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 09:46:28,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2025-02-08 09:46:28,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 821. [2025-02-08 09:46:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 755 states have (on average 1.5152317880794701) internal successors, (1144), 795 states have internal predecessors, (1144), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 21 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 09:46:28,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1192 transitions. [2025-02-08 09:46:28,915 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1192 transitions. Word has length 33 [2025-02-08 09:46:28,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:28,915 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1192 transitions. [2025-02-08 09:46:28,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.214285714285714) internal successors, (59), 15 states have internal predecessors, (59), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1192 transitions. [2025-02-08 09:46:28,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:46:28,916 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:28,916 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:28,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:46:29,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:29,117 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:29,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:29,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1028870748, now seen corresponding path program 1 times [2025-02-08 09:46:29,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:29,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797602871] [2025-02-08 09:46:29,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:29,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:29,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:29,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:29,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147458590] [2025-02-08 09:46:29,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:29,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:29,136 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) [2025-02-08 09:46:29,137 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 [2025-02-08 09:46:29,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:46:29,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:46:29,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:29,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:46:29,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:29,310 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:29,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:29,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797602871] [2025-02-08 09:46:29,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:29,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147458590] [2025-02-08 09:46:29,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147458590] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:29,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:29,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:29,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511976071] [2025-02-08 09:46:29,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:29,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:29,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:29,312 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:29,312 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:29,312 INFO L87 Difference]: Start difference. First operand 821 states and 1192 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:29,685 INFO L93 Difference]: Finished difference Result 966 states and 1410 transitions. [2025-02-08 09:46:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:29,686 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2025-02-08 09:46:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:29,689 INFO L225 Difference]: With dead ends: 966 [2025-02-08 09:46:29,689 INFO L226 Difference]: Without dead ends: 959 [2025-02-08 09:46:29,689 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:29,690 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 233 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:29,690 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 99 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:29,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2025-02-08 09:46:29,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 822. [2025-02-08 09:46:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 757 states have (on average 1.4980184940554822) internal successors, (1134), 797 states have internal predecessors, (1134), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 20 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:46:29,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1180 transitions. [2025-02-08 09:46:29,722 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1180 transitions. Word has length 33 [2025-02-08 09:46:29,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:29,723 INFO L471 AbstractCegarLoop]: Abstraction has 822 states and 1180 transitions. [2025-02-08 09:46:29,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1180 transitions. [2025-02-08 09:46:29,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:46:29,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:29,723 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] [2025-02-08 09:46:29,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:29,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:29,928 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:29,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:29,929 INFO L85 PathProgramCache]: Analyzing trace with hash -331428816, now seen corresponding path program 1 times [2025-02-08 09:46:29,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:29,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035629086] [2025-02-08 09:46:29,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:29,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:29,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:29,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:29,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [834767626] [2025-02-08 09:46:29,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:29,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:29,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:29,942 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) [2025-02-08 09:46:29,945 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 [2025-02-08 09:46:29,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:29,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:29,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:29,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:29,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:46:29,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:30,254 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:30,254 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:31,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:31,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035629086] [2025-02-08 09:46:31,258 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:31,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834767626] [2025-02-08 09:46:31,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834767626] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:31,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:31,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2025-02-08 09:46:31,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209281921] [2025-02-08 09:46:31,258 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:31,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:46:31,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:31,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:46:31,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:46:31,260 INFO L87 Difference]: Start difference. First operand 822 states and 1180 transitions. Second operand has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:33,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:33,599 INFO L93 Difference]: Finished difference Result 1215 states and 1779 transitions. [2025-02-08 09:46:33,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:46:33,599 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2025-02-08 09:46:33,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:33,607 INFO L225 Difference]: With dead ends: 1215 [2025-02-08 09:46:33,607 INFO L226 Difference]: Without dead ends: 1175 [2025-02-08 09:46:33,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=283, Invalid=587, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:46:33,609 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 623 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:33,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 164 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2025-02-08 09:46:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1175 states. [2025-02-08 09:46:33,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1175 to 887. [2025-02-08 09:46:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 823 states have (on average 1.4580801944106927) internal successors, (1200), 862 states have internal predecessors, (1200), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1244 transitions. [2025-02-08 09:46:33,686 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1244 transitions. Word has length 34 [2025-02-08 09:46:33,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:33,686 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1244 transitions. [2025-02-08 09:46:33,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.357142857142857) internal successors, (61), 15 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:33,686 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1244 transitions. [2025-02-08 09:46:33,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:46:33,687 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:33,687 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:33,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:33,889 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,SelfDestructingSolverStorable21 [2025-02-08 09:46:33,890 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:33,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:33,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1830222095, now seen corresponding path program 1 times [2025-02-08 09:46:33,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:33,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959999485] [2025-02-08 09:46:33,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:33,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:33,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:33,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:33,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:33,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:33,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1958070584] [2025-02-08 09:46:33,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:33,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:33,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:33,906 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) [2025-02-08 09:46:33,908 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 [2025-02-08 09:46:33,928 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:46:33,936 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:46:33,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:33,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:33,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:46:33,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:34,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:34,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:34,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959999485] [2025-02-08 09:46:34,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:34,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958070584] [2025-02-08 09:46:34,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958070584] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:34,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:34,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:46:34,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607446405] [2025-02-08 09:46:34,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:34,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:46:34,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:34,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:46:34,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:46:34,059 INFO L87 Difference]: Start difference. First operand 887 states and 1244 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:34,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:34,416 INFO L93 Difference]: Finished difference Result 902 states and 1256 transitions. [2025-02-08 09:46:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:46:34,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-02-08 09:46:34,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:34,419 INFO L225 Difference]: With dead ends: 902 [2025-02-08 09:46:34,419 INFO L226 Difference]: Without dead ends: 897 [2025-02-08 09:46:34,419 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:46:34,419 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 239 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:34,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 94 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:34,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2025-02-08 09:46:34,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 881. [2025-02-08 09:46:34,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 817 states have (on average 1.4332925336597306) internal successors, (1171), 856 states have internal predecessors, (1171), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1215 transitions. [2025-02-08 09:46:34,454 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1215 transitions. Word has length 34 [2025-02-08 09:46:34,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:34,454 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1215 transitions. [2025-02-08 09:46:34,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1215 transitions. [2025-02-08 09:46:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:46:34,455 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:34,455 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] [2025-02-08 09:46:34,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:46:34,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:34,656 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:34,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:34,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1684358644, now seen corresponding path program 1 times [2025-02-08 09:46:34,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:34,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876478007] [2025-02-08 09:46:34,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:34,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:34,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:46:34,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:46:34,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:34,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:34,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [720000617] [2025-02-08 09:46:34,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:34,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:34,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:34,667 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) [2025-02-08 09:46:34,668 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 [2025-02-08 09:46:34,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:46:34,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:46:34,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:34,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:34,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:34,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:34,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:35,615 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:35,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876478007] [2025-02-08 09:46:35,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:35,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720000617] [2025-02-08 09:46:35,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720000617] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:35,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:35,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-02-08 09:46:35,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279982712] [2025-02-08 09:46:35,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:35,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:35,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:35,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:35,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:46:35,617 INFO L87 Difference]: Start difference. First operand 881 states and 1215 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:36,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:36,841 INFO L93 Difference]: Finished difference Result 900 states and 1235 transitions. [2025-02-08 09:46:36,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:36,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-02-08 09:46:36,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:36,848 INFO L225 Difference]: With dead ends: 900 [2025-02-08 09:46:36,848 INFO L226 Difference]: Without dead ends: 899 [2025-02-08 09:46:36,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:36,849 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:36,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 135 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:46:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2025-02-08 09:46:36,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 898. [2025-02-08 09:46:36,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 834 states have (on average 1.419664268585132) internal successors, (1184), 873 states have internal predecessors, (1184), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1228 transitions. [2025-02-08 09:46:36,883 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1228 transitions. Word has length 35 [2025-02-08 09:46:36,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:36,883 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1228 transitions. [2025-02-08 09:46:36,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:36,883 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1228 transitions. [2025-02-08 09:46:36,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:46:36,884 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:36,884 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:36,890 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:46:37,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:37,084 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:37,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:37,085 INFO L85 PathProgramCache]: Analyzing trace with hash -902310078, now seen corresponding path program 1 times [2025-02-08 09:46:37,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:37,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540267042] [2025-02-08 09:46:37,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:37,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:37,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:46:37,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:46:37,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:37,098 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:37,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:37,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:37,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540267042] [2025-02-08 09:46:37,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540267042] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:37,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:37,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:37,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282810570] [2025-02-08 09:46:37,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:37,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:37,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:37,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:37,181 INFO L87 Difference]: Start difference. First operand 898 states and 1228 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:37,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:37,479 INFO L93 Difference]: Finished difference Result 938 states and 1270 transitions. [2025-02-08 09:46:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:37,480 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-02-08 09:46:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:37,483 INFO L225 Difference]: With dead ends: 938 [2025-02-08 09:46:37,483 INFO L226 Difference]: Without dead ends: 937 [2025-02-08 09:46:37,483 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 [2025-02-08 09:46:37,484 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 35 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:37,484 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 190 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:37,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 937 states. [2025-02-08 09:46:37,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 937 to 920. [2025-02-08 09:46:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 856 states have (on average 1.4228971962616823) internal successors, (1218), 895 states have internal predecessors, (1218), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:37,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1262 transitions. [2025-02-08 09:46:37,543 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1262 transitions. Word has length 35 [2025-02-08 09:46:37,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:37,543 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1262 transitions. [2025-02-08 09:46:37,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1262 transitions. [2025-02-08 09:46:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:46:37,544 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:37,544 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] [2025-02-08 09:46:37,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-02-08 09:46:37,544 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:37,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:37,545 INFO L85 PathProgramCache]: Analyzing trace with hash -675510354, now seen corresponding path program 1 times [2025-02-08 09:46:37,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:37,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75403732] [2025-02-08 09:46:37,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:37,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:37,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:37,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:37,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:37,554 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:37,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749404334] [2025-02-08 09:46:37,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:37,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:37,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:37,556 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) [2025-02-08 09:46:37,561 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 [2025-02-08 09:46:37,581 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:37,592 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:37,592 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:37,592 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:37,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:37,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:37,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:37,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:39,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:39,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75403732] [2025-02-08 09:46:39,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:39,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749404334] [2025-02-08 09:46:39,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749404334] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:39,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:39,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 15 [2025-02-08 09:46:39,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115594532] [2025-02-08 09:46:39,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:39,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:39,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:39,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:39,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:46:39,020 INFO L87 Difference]: Start difference. First operand 920 states and 1262 transitions. Second operand has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:40,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:40,403 INFO L93 Difference]: Finished difference Result 924 states and 1266 transitions. [2025-02-08 09:46:40,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:46:40,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:46:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:40,406 INFO L225 Difference]: With dead ends: 924 [2025-02-08 09:46:40,406 INFO L226 Difference]: Without dead ends: 923 [2025-02-08 09:46:40,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:40,407 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 31 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:40,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 115 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:46:40,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2025-02-08 09:46:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 922. [2025-02-08 09:46:40,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 858 states have (on average 1.416083916083916) internal successors, (1215), 897 states have internal predecessors, (1215), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:40,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1259 transitions. [2025-02-08 09:46:40,485 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1259 transitions. Word has length 36 [2025-02-08 09:46:40,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:40,485 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1259 transitions. [2025-02-08 09:46:40,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1259 transitions. [2025-02-08 09:46:40,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:46:40,486 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:40,486 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] [2025-02-08 09:46:40,493 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 [2025-02-08 09:46:40,689 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,SelfDestructingSolverStorable25 [2025-02-08 09:46:40,689 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:40,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:40,689 INFO L85 PathProgramCache]: Analyzing trace with hash -2069839046, now seen corresponding path program 1 times [2025-02-08 09:46:40,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:40,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019312283] [2025-02-08 09:46:40,689 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:40,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:40,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:40,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:40,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:40,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:40,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123504792] [2025-02-08 09:46:40,710 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:40,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:40,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:40,713 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) [2025-02-08 09:46:40,716 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 [2025-02-08 09:46:40,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:40,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:40,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:40,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:40,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:46:40,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:40,881 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:40,882 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:40,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019312283] [2025-02-08 09:46:40,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:40,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123504792] [2025-02-08 09:46:40,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123504792] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:40,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:40,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-08 09:46:40,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613299382] [2025-02-08 09:46:40,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:40,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:46:40,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:40,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:46:40,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:46:40,883 INFO L87 Difference]: Start difference. First operand 922 states and 1259 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:41,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:41,206 INFO L93 Difference]: Finished difference Result 930 states and 1265 transitions. [2025-02-08 09:46:41,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:46:41,207 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:46:41,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:41,209 INFO L225 Difference]: With dead ends: 930 [2025-02-08 09:46:41,209 INFO L226 Difference]: Without dead ends: 929 [2025-02-08 09:46:41,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:41,210 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 168 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:41,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 197 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:41,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2025-02-08 09:46:41,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 922. [2025-02-08 09:46:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 858 states have (on average 1.4125874125874125) internal successors, (1212), 897 states have internal predecessors, (1212), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1256 transitions. [2025-02-08 09:46:41,245 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1256 transitions. Word has length 36 [2025-02-08 09:46:41,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:41,245 INFO L471 AbstractCegarLoop]: Abstraction has 922 states and 1256 transitions. [2025-02-08 09:46:41,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:41,245 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1256 transitions. [2025-02-08 09:46:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:46:41,245 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:41,245 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:41,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:46:41,446 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,SelfDestructingSolverStorable26 [2025-02-08 09:46:41,446 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:41,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:41,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2093158671, now seen corresponding path program 1 times [2025-02-08 09:46:41,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:41,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456585681] [2025-02-08 09:46:41,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:41,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:46:41,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:46:41,452 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:41,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:41,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:41,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:41,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456585681] [2025-02-08 09:46:41,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456585681] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:41,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:41,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:41,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17974647] [2025-02-08 09:46:41,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:41,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:41,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:41,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:41,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:41,499 INFO L87 Difference]: Start difference. First operand 922 states and 1256 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:41,834 INFO L93 Difference]: Finished difference Result 939 states and 1260 transitions. [2025-02-08 09:46:41,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:41,834 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-02-08 09:46:41,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:41,837 INFO L225 Difference]: With dead ends: 939 [2025-02-08 09:46:41,837 INFO L226 Difference]: Without dead ends: 938 [2025-02-08 09:46:41,837 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 [2025-02-08 09:46:41,838 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:41,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 183 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:41,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2025-02-08 09:46:41,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 924. [2025-02-08 09:46:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 860 states have (on average 1.4093023255813955) internal successors, (1212), 899 states have internal predecessors, (1212), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1256 transitions. [2025-02-08 09:46:41,873 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1256 transitions. Word has length 36 [2025-02-08 09:46:41,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:41,873 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1256 transitions. [2025-02-08 09:46:41,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:41,873 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1256 transitions. [2025-02-08 09:46:41,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:46:41,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:41,874 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] [2025-02-08 09:46:41,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-08 09:46:41,874 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:41,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:41,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1086911374, now seen corresponding path program 1 times [2025-02-08 09:46:41,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:41,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742329885] [2025-02-08 09:46:41,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:41,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:46:41,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:46:41,886 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:41,886 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:41,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2343600] [2025-02-08 09:46:41,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:41,890 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) [2025-02-08 09:46:41,891 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 [2025-02-08 09:46:41,916 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:46:41,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:46:41,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:41,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:41,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:46:41,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:42,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:42,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:44,173 WARN L851 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~x~0#1| Int) (|v_ULTIMATE.start_main_~a~0#1_89| Int)) (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |v_ULTIMATE.start_main_~a~0#1_89|))) (or (< |v_ULTIMATE.start_main_~a~0#1_89| (+ 9223372036854775809 .cse0)) (< |v_ULTIMATE.start_main_~a~0#1_89| |ULTIMATE.start_main_~x~0#1|) (< (+ 9223372036854775808 .cse0) 0)))) is different from false [2025-02-08 09:46:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:44,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:44,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742329885] [2025-02-08 09:46:44,214 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:44,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2343600] [2025-02-08 09:46:44,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2343600] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:44,214 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:44,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2025-02-08 09:46:44,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489058464] [2025-02-08 09:46:44,214 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:44,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:46:44,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:44,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:46:44,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=241, Unknown=1, NotChecked=32, Total=342 [2025-02-08 09:46:44,215 INFO L87 Difference]: Start difference. First operand 924 states and 1256 transitions. Second operand has 19 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 17 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:45,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:45,659 INFO L93 Difference]: Finished difference Result 1057 states and 1432 transitions. [2025-02-08 09:46:45,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:46:45,660 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 17 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-02-08 09:46:45,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:45,663 INFO L225 Difference]: With dead ends: 1057 [2025-02-08 09:46:45,663 INFO L226 Difference]: Without dead ends: 1056 [2025-02-08 09:46:45,663 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=187, Invalid=518, Unknown=1, NotChecked=50, Total=756 [2025-02-08 09:46:45,664 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 248 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 182 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:45,664 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 239 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 738 Invalid, 0 Unknown, 182 Unchecked, 1.2s Time] [2025-02-08 09:46:45,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2025-02-08 09:46:45,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 947. [2025-02-08 09:46:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 883 states have (on average 1.3997734994337485) internal successors, (1236), 922 states have internal predecessors, (1236), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1280 transitions. [2025-02-08 09:46:45,711 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1280 transitions. Word has length 37 [2025-02-08 09:46:45,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:45,711 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1280 transitions. [2025-02-08 09:46:45,711 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.8333333333333335) internal successors, (69), 17 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:45,711 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1280 transitions. [2025-02-08 09:46:45,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:46:45,712 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:45,712 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] [2025-02-08 09:46:45,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:46:45,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:46:45,913 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:45,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:45,913 INFO L85 PathProgramCache]: Analyzing trace with hash -545463304, now seen corresponding path program 1 times [2025-02-08 09:46:45,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:45,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704337286] [2025-02-08 09:46:45,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:45,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:45,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:45,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:45,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:45,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:45,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130057000] [2025-02-08 09:46:45,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:45,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:45,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:45,933 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) [2025-02-08 09:46:45,935 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 [2025-02-08 09:46:45,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:45,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:45,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:45,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:45,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:46:45,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:46,170 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:46,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704337286] [2025-02-08 09:46:46,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130057000] [2025-02-08 09:46:46,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130057000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:46,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:46,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:46:46,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234201969] [2025-02-08 09:46:46,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:46,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:46,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:46,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:46,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:46:46,171 INFO L87 Difference]: Start difference. First operand 947 states and 1280 transitions. Second operand has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:46,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:46,484 INFO L93 Difference]: Finished difference Result 956 states and 1286 transitions. [2025-02-08 09:46:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:46,485 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-02-08 09:46:46,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:46,488 INFO L225 Difference]: With dead ends: 956 [2025-02-08 09:46:46,488 INFO L226 Difference]: Without dead ends: 954 [2025-02-08 09:46:46,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:46:46,491 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 164 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:46,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 212 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:46:46,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2025-02-08 09:46:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 947. [2025-02-08 09:46:46,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 883 states have (on average 1.3929784824462061) internal successors, (1230), 922 states have internal predecessors, (1230), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1274 transitions. [2025-02-08 09:46:46,533 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1274 transitions. Word has length 38 [2025-02-08 09:46:46,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:46,533 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1274 transitions. [2025-02-08 09:46:46,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.0) internal successors, (36), 7 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1274 transitions. [2025-02-08 09:46:46,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:46:46,534 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:46,534 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] [2025-02-08 09:46:46,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:46:46,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:46,735 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:46,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:46,735 INFO L85 PathProgramCache]: Analyzing trace with hash -665485716, now seen corresponding path program 1 times [2025-02-08 09:46:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:46,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58946699] [2025-02-08 09:46:46,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:46,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:46,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:46,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:46,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:46,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:46,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316129515] [2025-02-08 09:46:46,747 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:46,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:46,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:46,749 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) [2025-02-08 09:46:46,753 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 [2025-02-08 09:46:46,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:46:46,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:46:46,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:46,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:46,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:46:46,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:46,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:46:46,835 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:46:46,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:46,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58946699] [2025-02-08 09:46:46,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:46,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316129515] [2025-02-08 09:46:46,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316129515] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:46:46,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:46:46,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:46:46,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207012944] [2025-02-08 09:46:46,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:46,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:46:46,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:46,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:46:46,835 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:46,835 INFO L87 Difference]: Start difference. First operand 947 states and 1274 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:47,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:47,162 INFO L93 Difference]: Finished difference Result 969 states and 1286 transitions. [2025-02-08 09:46:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:46:47,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2025-02-08 09:46:47,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:47,165 INFO L225 Difference]: With dead ends: 969 [2025-02-08 09:46:47,165 INFO L226 Difference]: Without dead ends: 968 [2025-02-08 09:46:47,165 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:46:47,165 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 60 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:47,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 131 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2025-02-08 09:46:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 947. [2025-02-08 09:46:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 883 states have (on average 1.3873159682899208) internal successors, (1225), 922 states have internal predecessors, (1225), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:46:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1269 transitions. [2025-02-08 09:46:47,197 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1269 transitions. Word has length 38 [2025-02-08 09:46:47,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:47,198 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1269 transitions. [2025-02-08 09:46:47,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1269 transitions. [2025-02-08 09:46:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:47,198 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:47,198 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] [2025-02-08 09:46:47,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:46:47,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:47,399 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:47,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:47,399 INFO L85 PathProgramCache]: Analyzing trace with hash 270506814, now seen corresponding path program 1 times [2025-02-08 09:46:47,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:47,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869924276] [2025-02-08 09:46:47,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:47,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:47,410 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:47,413 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,413 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:47,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437744918] [2025-02-08 09:46:47,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:47,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:47,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:47,418 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) [2025-02-08 09:46:47,420 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 [2025-02-08 09:46:47,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:47,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:47,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:47,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:47,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:46:47,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:47,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:47,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:48,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:48,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869924276] [2025-02-08 09:46:48,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:48,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437744918] [2025-02-08 09:46:48,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437744918] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:48,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:48,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2025-02-08 09:46:48,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936426958] [2025-02-08 09:46:48,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:48,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:46:48,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:48,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:46:48,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:48,433 INFO L87 Difference]: Start difference. First operand 947 states and 1269 transitions. Second operand has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:49,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:49,831 INFO L93 Difference]: Finished difference Result 1298 states and 1739 transitions. [2025-02-08 09:46:49,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:46:49,832 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2025-02-08 09:46:49,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:49,834 INFO L225 Difference]: With dead ends: 1298 [2025-02-08 09:46:49,834 INFO L226 Difference]: Without dead ends: 894 [2025-02-08 09:46:49,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=170, Invalid=336, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:46:49,835 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 310 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:49,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 127 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:46:49,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2025-02-08 09:46:49,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 879. [2025-02-08 09:46:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 817 states have (on average 1.4002447980416157) internal successors, (1144), 856 states have internal predecessors, (1144), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:46:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1184 transitions. [2025-02-08 09:46:49,873 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1184 transitions. Word has length 39 [2025-02-08 09:46:49,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:49,873 INFO L471 AbstractCegarLoop]: Abstraction has 879 states and 1184 transitions. [2025-02-08 09:46:49,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.916666666666667) internal successors, (71), 13 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1184 transitions. [2025-02-08 09:46:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:46:49,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:49,873 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] [2025-02-08 09:46:49,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:50,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:50,078 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:50,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:50,078 INFO L85 PathProgramCache]: Analyzing trace with hash 844779340, now seen corresponding path program 1 times [2025-02-08 09:46:50,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:50,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797234219] [2025-02-08 09:46:50,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:50,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:50,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:50,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:50,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [808662453] [2025-02-08 09:46:50,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:50,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:50,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:50,089 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) [2025-02-08 09:46:50,092 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 [2025-02-08 09:46:50,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:46:50,121 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:46:50,122 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:50,122 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:50,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:46:50,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:50,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:50,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797234219] [2025-02-08 09:46:50,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:50,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808662453] [2025-02-08 09:46:50,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808662453] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:50,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:50,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2025-02-08 09:46:50,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373264645] [2025-02-08 09:46:50,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:46:50,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:46:50,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:50,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:46:50,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:46:50,802 INFO L87 Difference]: Start difference. First operand 879 states and 1184 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:51,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:51,255 INFO L93 Difference]: Finished difference Result 889 states and 1198 transitions. [2025-02-08 09:46:51,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:46:51,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2025-02-08 09:46:51,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:51,258 INFO L225 Difference]: With dead ends: 889 [2025-02-08 09:46:51,258 INFO L226 Difference]: Without dead ends: 888 [2025-02-08 09:46:51,258 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:46:51,259 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 121 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:51,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 109 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:51,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2025-02-08 09:46:51,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 887. [2025-02-08 09:46:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 887 states, 825 states have (on average 1.3963636363636365) internal successors, (1152), 864 states have internal predecessors, (1152), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 18 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:46:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1192 transitions. [2025-02-08 09:46:51,316 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1192 transitions. Word has length 39 [2025-02-08 09:46:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:51,317 INFO L471 AbstractCegarLoop]: Abstraction has 887 states and 1192 transitions. [2025-02-08 09:46:51,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:46:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1192 transitions. [2025-02-08 09:46:51,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:46:51,317 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:51,317 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:51,323 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:51,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:51,522 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:51,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:51,522 INFO L85 PathProgramCache]: Analyzing trace with hash 623883797, now seen corresponding path program 1 times [2025-02-08 09:46:51,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:51,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590558813] [2025-02-08 09:46:51,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:51,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:51,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:51,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [766061605] [2025-02-08 09:46:51,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:51,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:51,538 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) [2025-02-08 09:46:51,542 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 [2025-02-08 09:46:51,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:46:51,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:46:51,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:51,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:51,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:46:51,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:51,811 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:51,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:52,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590558813] [2025-02-08 09:46:52,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766061605] [2025-02-08 09:46:52,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766061605] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:52,222 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:52,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:46:52,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114621614] [2025-02-08 09:46:52,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:52,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:46:52,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:52,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:46:52,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:46:52,224 INFO L87 Difference]: Start difference. First operand 887 states and 1192 transitions. Second operand has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:53,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:53,897 INFO L93 Difference]: Finished difference Result 950 states and 1273 transitions. [2025-02-08 09:46:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:46:53,902 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 41 [2025-02-08 09:46:53,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:53,904 INFO L225 Difference]: With dead ends: 950 [2025-02-08 09:46:53,904 INFO L226 Difference]: Without dead ends: 944 [2025-02-08 09:46:53,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=230, Invalid=472, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:46:53,905 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 677 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:53,905 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [678 Valid, 187 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:46:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2025-02-08 09:46:53,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 918. [2025-02-08 09:46:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 856 states have (on average 1.391355140186916) internal successors, (1191), 894 states have internal predecessors, (1191), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:46:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1231 transitions. [2025-02-08 09:46:53,956 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1231 transitions. Word has length 41 [2025-02-08 09:46:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:53,956 INFO L471 AbstractCegarLoop]: Abstraction has 918 states and 1231 transitions. [2025-02-08 09:46:53,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.769230769230769) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1231 transitions. [2025-02-08 09:46:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:46:53,957 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:53,957 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, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:53,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:46:54,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:46:54,158 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:46:54,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:54,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1743090541, now seen corresponding path program 1 times [2025-02-08 09:46:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:54,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714883143] [2025-02-08 09:46:54,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:54,161 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:46:54,171 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:46:54,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:54,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1586729278] [2025-02-08 09:46:54,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:46:54,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:54,174 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) [2025-02-08 09:46:54,178 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 [2025-02-08 09:46:54,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:46:54,213 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:46:54,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:54,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:54,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:46:54,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:54,517 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:54,518 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:54,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:46:54,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:54,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714883143] [2025-02-08 09:46:54,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:54,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586729278] [2025-02-08 09:46:54,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586729278] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:54,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:54,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:46:54,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345342534] [2025-02-08 09:46:54,983 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:54,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:46:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:54,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:46:54,984 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:46:54,984 INFO L87 Difference]: Start difference. First operand 918 states and 1231 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:46:59,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:47:00,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:00,658 INFO L93 Difference]: Finished difference Result 943 states and 1258 transitions. [2025-02-08 09:47:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:47:00,658 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43 [2025-02-08 09:47:00,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:00,661 INFO L225 Difference]: With dead ends: 943 [2025-02-08 09:47:00,661 INFO L226 Difference]: Without dead ends: 942 [2025-02-08 09:47:00,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:47:00,662 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 381 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 763 mSolverCounterSat, 48 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 763 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:00,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 169 Invalid, 812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 763 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2025-02-08 09:47:00,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2025-02-08 09:47:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 920. [2025-02-08 09:47:00,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 920 states, 858 states have (on average 1.386946386946387) internal successors, (1190), 896 states have internal predecessors, (1190), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:47:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 920 states to 920 states and 1230 transitions. [2025-02-08 09:47:00,711 INFO L78 Accepts]: Start accepts. Automaton has 920 states and 1230 transitions. Word has length 43 [2025-02-08 09:47:00,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:00,711 INFO L471 AbstractCegarLoop]: Abstraction has 920 states and 1230 transitions. [2025-02-08 09:47:00,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:47:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1230 transitions. [2025-02-08 09:47:00,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:47:00,713 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:00,713 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:00,720 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 [2025-02-08 09:47:00,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-08 09:47:00,914 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:00,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:00,914 INFO L85 PathProgramCache]: Analyzing trace with hash -72762607, now seen corresponding path program 1 times [2025-02-08 09:47:00,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:00,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747929986] [2025-02-08 09:47:00,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:00,917 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:00,924 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:00,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:00,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731420683] [2025-02-08 09:47:00,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:00,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:00,930 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) [2025-02-08 09:47:00,931 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 [2025-02-08 09:47:00,958 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:47:00,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:47:00,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:00,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:00,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:47:00,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:47:01,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:01,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747929986] [2025-02-08 09:47:01,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:01,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731420683] [2025-02-08 09:47:01,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731420683] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:01,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:01,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:47:01,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559111789] [2025-02-08 09:47:01,816 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:01,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:47:01,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:01,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:47:01,816 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:47:01,816 INFO L87 Difference]: Start difference. First operand 920 states and 1230 transitions. Second operand has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:47:03,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:03,402 INFO L93 Difference]: Finished difference Result 937 states and 1250 transitions. [2025-02-08 09:47:03,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:47:03,403 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-02-08 09:47:03,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:03,405 INFO L225 Difference]: With dead ends: 937 [2025-02-08 09:47:03,405 INFO L226 Difference]: Without dead ends: 936 [2025-02-08 09:47:03,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:47:03,406 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 198 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:03,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 199 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:47:03,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2025-02-08 09:47:03,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 911. [2025-02-08 09:47:03,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 849 states have (on average 1.3898704358068317) internal successors, (1180), 887 states have internal predecessors, (1180), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:47:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1220 transitions. [2025-02-08 09:47:03,448 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1220 transitions. Word has length 45 [2025-02-08 09:47:03,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:03,449 INFO L471 AbstractCegarLoop]: Abstraction has 911 states and 1220 transitions. [2025-02-08 09:47:03,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.777777777777778) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:47:03,450 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1220 transitions. [2025-02-08 09:47:03,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:47:03,450 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:03,450 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:03,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:47:03,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:47:03,655 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:03,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:03,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1174650677, now seen corresponding path program 1 times [2025-02-08 09:47:03,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:03,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545449495] [2025-02-08 09:47:03,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:03,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:03,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:47:03,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:47:03,665 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:03,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:47:03,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:03,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545449495] [2025-02-08 09:47:03,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545449495] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:03,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:03,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:47:03,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996189386] [2025-02-08 09:47:03,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:03,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:47:03,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:03,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:47:03,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:47:03,858 INFO L87 Difference]: Start difference. First operand 911 states and 1220 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:47:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:04,312 INFO L93 Difference]: Finished difference Result 1429 states and 1925 transitions. [2025-02-08 09:47:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:47:04,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-02-08 09:47:04,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:04,316 INFO L225 Difference]: With dead ends: 1429 [2025-02-08 09:47:04,316 INFO L226 Difference]: Without dead ends: 1099 [2025-02-08 09:47:04,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:47:04,318 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 260 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:04,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 226 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:47:04,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1099 states. [2025-02-08 09:47:04,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1099 to 1062. [2025-02-08 09:47:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 995 states have (on average 1.4050251256281407) internal successors, (1398), 1033 states have internal predecessors, (1398), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:47:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1448 transitions. [2025-02-08 09:47:04,367 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1448 transitions. Word has length 51 [2025-02-08 09:47:04,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:04,367 INFO L471 AbstractCegarLoop]: Abstraction has 1062 states and 1448 transitions. [2025-02-08 09:47:04,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:47:04,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1448 transitions. [2025-02-08 09:47:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:47:04,367 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:04,368 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:04,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-02-08 09:47:04,368 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:04,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:04,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1172097365, now seen corresponding path program 1 times [2025-02-08 09:47:04,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:04,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662965058] [2025-02-08 09:47:04,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:04,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:47:04,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:47:04,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:04,407 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:47:04,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:04,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662965058] [2025-02-08 09:47:04,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662965058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:47:04,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:47:04,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:47:04,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893829111] [2025-02-08 09:47:04,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:47:04,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:47:04,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:04,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:47:04,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:47:04,409 INFO L87 Difference]: Start difference. First operand 1062 states and 1448 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:47:04,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:47:04,547 INFO L93 Difference]: Finished difference Result 1062 states and 1448 transitions. [2025-02-08 09:47:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:47:04,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 51 [2025-02-08 09:47:04,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:47:04,550 INFO L225 Difference]: With dead ends: 1062 [2025-02-08 09:47:04,550 INFO L226 Difference]: Without dead ends: 1059 [2025-02-08 09:47:04,551 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:47:04,551 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 44 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:47:04,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 101 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:47:04,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2025-02-08 09:47:04,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 1059. [2025-02-08 09:47:04,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 995 states have (on average 1.3909547738693466) internal successors, (1384), 1030 states have internal predecessors, (1384), 25 states have call successors, (25), 4 states have call predecessors, (25), 4 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2025-02-08 09:47:04,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1434 transitions. [2025-02-08 09:47:04,599 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1434 transitions. Word has length 51 [2025-02-08 09:47:04,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:47:04,599 INFO L471 AbstractCegarLoop]: Abstraction has 1059 states and 1434 transitions. [2025-02-08 09:47:04,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:47:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1434 transitions. [2025-02-08 09:47:04,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-02-08 09:47:04,600 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:47:04,600 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:47:04,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-02-08 09:47:04,600 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-02-08 09:47:04,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:47:04,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1977349417, now seen corresponding path program 1 times [2025-02-08 09:47:04,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:47:04,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698882917] [2025-02-08 09:47:04,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:47:04,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:04,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:04,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:47:04,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151047736] [2025-02-08 09:47:04,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:47:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:47:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:47:04,615 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) [2025-02-08 09:47:04,617 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 [2025-02-08 09:47:04,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 09:47:04,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 09:47:04,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:47:04,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:47:04,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:47:04,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:47:18,206 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:47:18,207 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:47:19,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:47:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698882917] [2025-02-08 09:47:19,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:47:19,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151047736] [2025-02-08 09:47:19,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151047736] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:47:19,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:47:19,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-08 09:47:19,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894540575] [2025-02-08 09:47:19,922 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:47:19,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:47:19,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:47:19,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:47:19,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=380, Unknown=3, NotChecked=0, Total=462 [2025-02-08 09:47:19,922 INFO L87 Difference]: Start difference. First operand 1059 states and 1434 transitions. Second operand has 15 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 15 states have internal predecessors, (48), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:47:25,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:29,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:38,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:40,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:47,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:48,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:47:49,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]